Misplaced Pages

Mercedes-Benz R107 and C107

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.
#872127

109-512: The Mercedes-Benz R107 and C107 are sports cars which were produced by Mercedes-Benz from 1971 until 1989, being the second longest single series ever produced by the automaker after the G-Class . They were sold under the SL (R107) and SLC (C107) model names in a variety of names indicating the displacement of the engines. The R107/SL was a two-seat convertible with a detachable roof. It replaced

218-426: A longitudinal engine layout and rear-wheel drive (or all-wheel drive). However, V8 engines have also occasionally been used in transverse engine front-wheel drive vehicles, sometimes using closer cylinder bore spacings and narrower cylinder bank angles to reduce their space requirements. The classification of 'big-block' or 'small-block' refers to the engine's external dimensions and does not necessarily indicate

327-544: A 2.5 L (153 cu in) V8 engine. BMW's first V8 engine was the 1954–1965 BMW OHV V8 engine , a petrol engine with overhead valves and all-aluminum construction. The company resumed production of V8 engines in 1992 with the BMW M60 aluminum double overhead camshaft engine, and V8 engines have remained in production until today. BMW's first turbocharged V8 engine was the 1998–2009 M67 twin-turbocharged diesel engine. The first turbocharged V8 petrol engine from BMW

436-733: A 350 SLC 6.3, equipped with the M100 and the 450 SLC 6.9 equipped with M100 engine from the W116 450 SEL 6.9. AMG manufactured at least one convertible based on the 450 SLC. In 1978 the factory prepared two examples for the one-off Vuelta a la América del Sur, a month-long event of some 7,000 kilometres in length that took the competitors from Buenos Aires and back via Rio, Manaus, Caracas, Bogota, Lima, La Paz, Santiago and Ushuaia. The car driven by Andrew Cowan and Colin Malkin won by 20 minutes from team-mates Sobiesław Zasada and Andrzej Zembrzuski. In 1979

545-599: A 5.0 liter engine, produced from 1980–1989, was not available in the US. This drove many customers to obtain the European specification car in the " gray market ," where the vehicles were converted to meet Federal mandates, until this option was eliminated by Congress in 1988. From 1986 to 1989, a more powerful version was available from the factory, the 560SL. It was exclusive to the USA, European, Japanese and Australian markets. Despite

654-582: A 5.0-litre 450SLC driven by Hannu Mikkola won the Bandama Rally in Côte d'Ivoire , with others finishing 2nd, 3rd and 4th. That same year the factory had used the 450SLC '5.0' to contest the Safari Rally , only narrowly missing out on victory because of suspension breakages. Nevertheless, the car driven by Hannu Mikkola finished 2nd. Results in 1980 were worse, and the factory team was disbanded at

763-525: A 5.6 L (340 cu in) Chrysler LA engine and built on the chassis of a 1950s Chrysler Imperial. The 1934–1938 Tatra 77 rear-engined sedan was initially powered by 3.0 L (183 cu in) petrol V8, which was air-cooled and used an overhead camshaft that operated the valves using a 'walking beam' rocker arrangement. This model line continued until 1999 when the Tatra 700 ended production. Tatra also produced diesel V8 truck engines from

872-630: A 60-degree V-angle because it was based on a V6 engine with a 60-degree V-angle. Both the Ford and Volvo engines were used in transverse engine chassis, which were designed for a front-wheel-drive layout (with an on-demand all-wheel drive system in the case of the Volvos ). To reduce the vibrations caused by the unbalanced 60-degree V-angle, the Volvo engines used a balance shaft and offset split crankpins . The Rolls-Royce Meteorite tank engine also used

981-560: A 60-degree V-angle, since it was derived from the 60 degree V12 Rolls-Royce Meteor which in turn was based on the Rolls-Royce Merlin V12 engine . Other V-angles have been used occasionally. The Lancia Trikappa , Lancia Dilambda , and Lancia Astura , produced 1922–1939, used narrow angle V8 engines (based on the Lancia V4 engine ) with V-angles of 14–24 degrees. The 1932 Miller four-wheel drive racing cars used

1090-419: A V-angle (the angle between the two banks of cylinders) of 90 degrees. This angle results in good engine balance , which results in low vibrations. However, the downside is the greater width of the engine compared to those that use a smaller V-angle. V8 engines with a 60-degree V-angle were used in the 1996–1999 Ford Taurus SHO , the 2005–2011 Volvo XC90 , and the 2006–2009 Volvo S80 . The Ford engine used

1199-570: A V-angle of 90 degrees and was built in displacements of 4.1 L (253 cu in) and 5.0 L (308 cu in), the latter being de-stroked to 5.0 L (304 cu in) in 1985. The Holden V8 engine was used in various models, including the Kingswood, Monaro, Torana, Commodore, and Statesman. Versions tuned for higher performance were sold by Holden Dealer Team and Holden Special Vehicles , including versions stroked to up to 5.7 L (350 cu in). The Holden V8 engine

SECTION 10

#1732771737873

1308-591: A V8 engine was the 1965 Chrysler Valiant (AP6) , which was available with an American-built 4.5 L (273 cu in) Chrysler engine. The first locally designed V8 Ford was the 1966 Ford Falcon (XR) and the first V8 Holden was the 1968 Holden HK , both using engines supplied by their parent companies in the United States. The first V8 engine to be mass-produced in Australia was the 1969–2000 Holden V8 engine . This cast-iron overhead valve engine used

1417-464: A V8 engine was the 1988 Audi V8 luxury sedan. Its first model to use a V8 diesel engine was the D2 A8 3.3 TDI in 2000. The first V8-engined Alfa Romeo road car was the 1967–1969 Alfa Romeo 33 Stradale mid-engined sports car, of which 18 were produced. This was followed by the 1970–1977 Alfa Romeo Montreal front-engined sports car. The engines for both cars are based on the 90-degree V8 engine from

1526-406: A V8 engine with a V-angle of 45 degrees. The 8-cylinder versions of the 1945 through 1966 EMD 567 diesel locomotive engine also used a V-angle of 45 degrees. Most V8 engines fitted to road cars use a cross-plane crankshaft since this configuration produces less vibration due to the perfect primary balance and secondary balance. The cross-plane crankshaft has the four crank pins (numbered from

1635-399: A controversial choice for a "purist" sports car. The Elan sold poorly and was discontinued after three years. The 1996 Lotus Elise , a mid-engined, rear-wheel drive roadster, was much more successful and remained in production until 2021. Roadsters enjoyed a resurgence in the mid-1990s, including the 1989-present Mazda MX-5 , the 1995-2002 BMW Z3 (succeeded by the 2002-2016 BMW Z4 ),

1744-409: A definition. Insurance companies have also attempted to use mathematical formulae to categorise sports cars, often charging more for insurance due to the inherent risk of performance driving. There is no fixed distinction between sports cars and other categories of performance cars, such as muscle cars and grand tourers , with some cars being members of several categories. Traditionally,

1853-531: A four-speed unit, returning to where the R107 started in 1971 with the optional 4 speed automatic 350SL (3.5lt). The 280SLC, 380SLC, and 500SLC were discontinued in 1981 with the introduction of the W126 series 380SEC and 500SEC coupés. A total of 62,888 SLCs had been manufactured over a ten-year period of which just 1,636 were the 450SLC-5.0 and 1,133 were the 500SLC. Both these models are sought by collectors today. With

1962-462: A mix of imported and local parts. A 4.4 L (269 cu in) version of the Rover V8 engine was produced in Australia for the ill-fated 1973–1975 Leyland P76 sedan. The engine had an overhead valve design and was the only all-aluminum engine made in Australia. The 1958–1965 Hongqi CA72 was a luxury car, of which approximately 200 were built for government officials. It was powered by

2071-551: A more modern engine management "computer", which controlled idle speed, fuel rate, and air/fuel mixture. The final car of the 18 years running 107 series was a 500SL painted Signal Red, built on 4 August 1989; it currently resides in the Mercedes-Benz museum in Stuttgart , Germany. North America was the key market for this Personal luxury car , and two thirds of R107 and C107 production was sold there. The R107/C107 for

2180-399: A pressed-steel chassis, a gated 4-speed transmission, pushrod-actuated overhead inlet valves , a honeycomb radiator, low-tension magneto ignition , a long wheelbase, a low center of mass and a very effective suspension system. The overall result was a "safe and well-balanced machine" with a higher performance than any other contemporary production car. At the 1903 Gordon Bennett Cup ,

2289-427: A production Simplex 60 hp was entered only due to a specially-built 90 hp racing car being destroyed in a fire; the 60 hp famously went on to win the race. The 1910 Austro-Daimler 27/80 is another early sports car which had success in motor racing. The 27/80 was designed by Ferdinand Porsche , who drove the car to victory in the 1910 Prince Henry Tour motor race. The Vauxhall and Austro-Daimler —like

SECTION 20

#1732771737873

2398-478: A single overhead camshaft and was rear-mounted in the vehicles. The company's first V8 road car was the 1973–1974 Dino 308 GT4 mid-engined sports car. The engine is a 90-degree all-aluminum V8 with double overhead camshafts. In 1975, the 2.0 L (122 cu in) engine in the Ferrari 208 GT4 became the smallest production V8 engine ever produced. The model lineage of mid-engined V8 road cars continues to

2507-654: A strict ruleset to follow until the 1972 season, when engines were no longer allowed to be any bigger than 358 cu in (5.9 L) for the purpose of reducing speeds caused by the rapid aerodynamic advancements from 1969 to 1971. In the American Top Fuel class of drag racing, V8 engines displacing 500 cu in (8 L) today produce outputs of over 7,000 kW (10,000 hp). and 10,000 N⋅m (7,400 lb⋅ft). The engines used in Top Fuel and Funny car drag racing are typically based on

2616-452: Is an iconic sports car of the early 1960s, due to its attractive styling and claimed top speed of 241 km/h (150 mph). The E-type was produced for 14 years and was initially powered by a six-cylinder engine, followed by a V12 engine for the final generation. In 1962, the MG B introduced a new era of affordable lightweight four-cylinder roadsters. The MG B used a unibody construction and

2725-409: Is considered to be the first V8 engine produced in significant quantities. The 1914 Cadillac L-head V8 engine is considered the first road-going V8 engine to be mass-produced in significant quantities, with 13,000 sold the first year. This engine was built in the United States and was greatly assisted by Cadillac's pioneering use of electric starter motors . The popularity of V8 engines in cars

2834-406: Is notable for using a three-seat layout, where the front row consists of a centrally-located driver's seat. The location of the engine and driven wheels significantly influence the handling characteristics of a car and are therefore crucial in the design of a sports car. Traditionally, most sports cars have used rear-wheel drive with the engine either located at the front ( FR layout ) or in

2943-440: The 1962 , 1963 , 1964 , and 1965 seasons were won by drivers of V8-powered cars. From 1962 through 1965, the top three manufacturers in each season's Constructor's Championship all predominantly used V8 engines in their cars. In 1966, the engine capacity limits were increased to 3.0 L (183 cu in) (or 1.5 litres with a supercharger), and both the 1966 and 1967 Constructor's Championships were won by cars powered by

3052-559: The Alfa Romeo Tipo 33 racing car, and have double overhead camshafts and a dry sump. The 33 Stradale engine has a displacement of 2.00 L (122 cu in) and a flat-plane crankshaft, while the Montreal uses an engine enlarged to 2.6 L (160 cu in) and uses a cross-plane crankshaft. The 2007–2010 Alfa Romeo 8C Competizione / Spider sports cars are powered by a 4.7 L (290 cu in) version of

3161-520: The Audi RS 2 Avant . Ford Europe withdrew from the sports car market at the end of 1986 when the Capri was discontinued after a production run of nearly two decades. There was no direct successor, as Ford was concentrating on higher-performance versions of its hatchback and saloon models at the time. In 1989, a new generation of Lotus Elan roadster was released which used a front-wheel drive layout,

3270-632: The Australian Ford Falcon and Ford Fairlane models. It was also used in several low-volume DeTomaso sports cars and luxury sedans built in Italy. Australian production ceased in 1982 when Ford Australia temporarily stopped production of V8 cars. From 1991 until 2016, the Ford Falcon was available with the imported Ford Windsor , Ford Barra , or Ford Modular V8 engines; the latter was marketed as "Boss" and locally assembled from

3379-541: The BMW 303 , Citroën Traction Avant and Fiat 508 — offered similar handling and comfort to the more expensive sports cars. Powerful, reliable, and economical (although softly suspended) American saloons began to be imported to Europe in significant numbers. Sports car ownership was increased through models such as the Austin 7 and Wolseley Hornet six , however many of these sports cars did not offer any performance upgrades over

Mercedes-Benz R107 and C107 - Misplaced Pages Continue

3488-623: The Bentley Speed Six (1928-1930), with the former famously described by Bugatti's founder as "the fastest lorry in the world". Between the Great Depression and the World War II the pre-war era was a period of decline in importance for sports car manufacturers, although the period was not devoid of advances, for example streamlining . Cheap, light-weight family sedans with independent front suspension— such as

3597-772: The Brabham-Repco V8 engine . From 1968 until 1981, the Cosworth DFV V8 engine dominated Formula One racing. During this time, the Manufacturers' Championship was won by Cosworth DFV-powered cars every season except 1975, 1976, 1977, and 1979, which 12-cylinder Ferraris won. After a long period of dominance, the Cosworth DFV was eventually outpaced by turbocharged straight-four and V6 engines. The next period of significant V8 usage in Formula One

3706-569: The Ferrari F136 engine with a cross-plane crankshaft. Ferrari's first contact with V8 engines was the Vittorio Jano -designed 1955 Lancia-Ferrari D50 , a Formula One racing car that the company acquired as part of its purchase of Lancia's Formula One racing department. The first Ferrari-developed V8 engines were used in the 1962 Ferrari 248 SP and Ferrari 268 SP sports prototype racing cars designed by Carlo Chiti . This engine had

3815-661: The Hewitt Touring Car became the first car built in the United States with a V8 engine. The engine was designed and built by Edward R. Hewitt who emphasized the V8's superiority to the typical I4 and I6 and six-cylinder engines of the time because of its lower weight and easier to make crankshaft compared to the I6s of equal power as well as the V8 not taking much more space than a I4. The 1910 De Dion-Bouton — built in France—

3924-520: The Jensen FF became the first sports car to use all-wheel drive . The Ford Capri is a 2+2 coupe that was produced from 1968 to 1986 and intended to be a smaller European equivalent of the Ford Mustang. A main rival to the Capri was Opel Manta , which was produced from 1970 to 1988. The 1973-1978 Lancia Stratos was a mid-engined two-seat coupe that was powered by a Ferrari V6 engine. This

4033-717: The W113 SL-Class in 1971 and was replaced by the R129 SL-Class in 1989. The predecessor W113 was notably successful in North America, with 19,440 units (40%) of 48,912 total units sold in the US. The R107 and C107 were even more focused on the American market, with specialized engines, bumper designs, headlights, and emissions management designs. The R107 and C107 sold 204,373 units in the US (68%) of 300,175 total units sold (excluding grey market sales into

4142-520: The "thrill of driving" or are marketed "using the excitement of speed and the glamour of the (race)track" However, other people have more specific definitions, such as "must be a two-seater or a 2+2 seater" or a car with two seats only. In the United Kingdom, early recorded usage of the "sports car" was in The Times newspaper in 1919. The first known use of the term in the United States

4251-502: The '4.5' at around 225km/h. The 450SLC 5.0 was produced in order to homologate the SLC for the 1978 World Rally Championship. Starting in 1980, the 350SLC, 450SLC, and 450SLC 5.0 models (like the 350SL and 450SL) were discontinued in 1980 with the introduction of the 380SLC and 500SLC in March 1980. At the same time, the cars received a very mild makeover; the 3-speed automatic was replaced by

4360-403: The 1905 Isotta Fraschini Tipo D, the 1906 Rolls-Royce Silver Ghost , the 1908 Delage , the 1910 Bugatti Type 13 , and the 1912 DFP 12/15 . Early motor racing events included the 1903 Paris–Madrid race , the 1905-1907 Herkomer Trophy, the 1908-1911 Prince Henry Tour and the 1911–present Monte Carlo Rally . The Prince Henry Tours (which were similar to modern car rallies) were among

4469-526: The 1915 Cadillac engine. A flat-plane crankshaft is used by many V8 engines fitted to racing cars. From the gas dynamics aspect, the flat-plane crankshaft allows for even exhaust gas pulses to be achieved with a simple exhaust system. The design was popularized in motor racing by the 1961–1965 Coventry Climax FWMV Formula One engine, and the 1967–1985 Cosworth DFV engine was highly successful in Formula One. Several production sports cars have used flat-plane V8 engines, such as every Ferrari V8 model (from

Mercedes-Benz R107 and C107 - Misplaced Pages Continue

4578-495: The 1921 Coppa Florio . Another approach— such as that used by Morris Garages— was to convert touring cars into sports cars. The first 24 Hours of Le Mans race for sports cars was held in 1923, although the two-seat sports cars only competed in the smallest class, with the majority of cars entered being four-seat fast touring cars. "This race, together with the Tourist Trophy Series of Races , organised after

4687-653: The 1939 Tatra 81 to the present day Tatra 815 . French manufacturers were pioneering in their use of V8 engines in the early 1900s with the 1904 Antoinette aircraft engine (the first known V8 engine) and the 1910 De Dion-Bouton . However, there were few French automotive V8 engines in the following decades, with manufacturers such as Delage , Delahaye , Talbot-Lago , Bugatti , and Hotchkiss using six-cylinder or straight-eight engines instead. From 1935 until 1954, Matford (Ford's French subsidiary, later renamed to ' Ford SAF ') produced cars with V8 engines, closely based on contemporary American Ford models. Simca purchased

4796-404: The 1948 Ferrari 166 S . A new concept altogether was the modern Gran Turismo class from Italy, which was in effect unknown before the war: sustained high-speed motoring from relatively modest engine size and compact closed or berlinetta coachwork. The 1947 Maserati A6 1500 two-seat berlinetta was the first production model from Maserati. In Germany, the motor industry was devastated by

4905-640: The 1973 Ferrari 308 GT4 to the 2019–present Ferrari F8 Tributo ), the Lotus Esprit V8 , the Porsche 918 Spyder , and the McLaren MP4-12C . The first V8 engine used in a road-going car was the 1905 Rolls-Royce built in the United Kingdom. This model was initially equipped with a 3.5 L (214 cu in) V8 engine. However, only three cars were made before Rolls-Royce reverted to using straight-six engines for their cars. In 1907,

5014-499: The 1980 Deutsche Rennsport Meisterschaft and Giro d'Italia automobilistico marathon. The Montecarlo was a basis for the silhouette racing car , Lancia Rally 037 . In the 1970s, turbocharging began to be adopted by sports cars, such as the BMW 2002 Turbo in 1973, the first Porsche 911 Turbo in 1975, and the Saab 99 Turbo in 1978. Turbocharging became increasingly popular in the 1980s, from relatively affordable coupes such as

5123-452: The 1980–1986 Renault Fuego and 1992–1996 Rover 220 Coupé Turbo , to expensive supercars such as the 1984-1987 Ferrari 288 GTO and 1987-1992 Ferrari F40 . In the late 1980s and early 1990s, several manufacturers developed supercars that competed for production car top speed records . These cars included the 1986–1993 Porsche 959 , 1991–1995 Bugatti EB 110 , 1992–1994 Jaguar XJ220 and 1993–998 McLaren F1 . The 1980-1995 Audi Quattro

5232-506: The 1990s, all-wheel drive has become more common in sports cars. All-wheel drive offers better acceleration and favorable handling characteristics (especially in slippery conditions), but is often heavier and more mechanically complex than traditional layouts. Examples of all-wheel drive sports cars are the Lamborghini Huracan , Bugatti Veyron , and Nissan GT-R . Rear engine layouts are not typical for sports cars, with

5341-705: The 1995-2002 MG F , the 1996–present Porsche Boxster and the 1998–present Audi TT . V8 engine A V8 engine is an eight- cylinder piston engine in which two banks of four cylinders share a common crankshaft and are arranged in a V configuration . The first known V8 was the Antoinette , designed by Léon Levavasseur , and built in 1904 by the French Antoinette company for use in speedboat racing, cars, and later, airplanes. Also in 1904, V8 engines began small-scale production by Renault and Buchet for use in race cars. Most engines use

5450-481: The 2019–present Ferrari F8 Tributo . Five-valve-per-cylinder versions were used from 1994 until 2005 in the Ferrari F355 and Ferrari 360 . Turbocharging was introduced on the 1984–1987 Ferrari 288 GTO flagship car, and the range of entry-level mid-engined sports cars switched to turbocharging with the 2015 Ferrari 488 . The Formula One team resumed using V8 engines for the 2006–2013 seasons, beginning with

5559-469: The 380SL and from 2.72:1 to 2.27:1 for the 500SL. From September 1985 the 280SL was replaced by a new 300SL and the 380SL by a 420SL; the 500SL continued and a 560SL was introduced for certain extra-European markets, notably the USA, Australia, and Japan. Also in 1985, the Bosch KE Jetronic was fitted. The KE Jetronic system varied from the earlier, all mechanical system by the introduction of

SECTION 50

#1732771737873

5668-464: The 450SL suffered from vapor lock and hard restart because of the under-bonnet position of the catalytic converter. Starting in MY 1977, the catalytic converter was moved to replace the resonator, located just behind the transmission in the exhaust system. The 380SL/SLC engine came with a single row timing chain from 1981 through 1983. These early 380SL/SLC models were plagued with chain failure problems and

5777-505: The 8.2 L (500 cu in) V8 engine used in the 1971–1978 Cadillac Eldorado and BMW's 3.0 L (183 cu in) M60B30 V8 engine found in cars such as the BMW E34 530i. V8 engines intended for motorsport are often small and short-stroke to maximize RPMs and thus power. The Cosworth DFV 3.0 L (183 cu in) is such an engine. Due to its large external dimensions, V8 engines are typically used in cars that use

5886-574: The Ford SAF in 1954 and continued to produce various models powered by the Ford Flathead V8 until 1969. After WW2, France imposed very steep tax horsepower charges - the owners of cars with engines above 2 L were financially penalized, so France had a small domestic market for larger-engined cars, such as the V8. Despite this, Facel Vega produced luxury and sports cars powered by Chrysler V8 engines from 1954 through 1964. One of

5995-531: The M116 and M117 V8 engines used in the W108, W109 and W111 series. The body styles for both R107 and C107 did not change materially from introduction in 1971 to their end of production in 1981 (coupé) and 1989 (soft-top) respectively. The SL (R107) variant was a 2-seat convertible/roadster with standard soft-top, with optional winter hardtop and only rarely ordered very small rear bench-seat. The SLC (C107) derivative

6104-468: The Mercedes Simplex 60 hp— were production fast touring cars. The 1912 Hispano-Suiza Alfonso XIII is also considered one of the earliest sports cars, as it was a "purpose built, high performance, two-seater production automobile". The model was named after King Alfonso XIII of Spain , a patron of the car's chief designer and an enthusiast for the marque. Other early sports cars include

6213-524: The North American market sported four round low-output sealed beam headlights, due to unique U.S. regulations . Sales in North America began in 1972, and cars wore the badge 350SL, but actually had a larger 4.5L V8 with 3 speed auto (and were renamed 450SL for model year 1973); the big V8 became available on other markets with the official introduction of the 450SL/SLC on non-North American markets in March 1973. R107 and C107 cars were exported to

6322-572: The SL. It was replaced by the considerably larger 380SEC and 500SEC , once again derived from the 1980 S-class line. Volume production of the first R107 car, the 350SL, started in April 1971 alongside the last of the W113 cars; the 350SLC followed in October. The early 1971 350SL are very rare and were available with an optional 4 speed fluid coupling automatic gearbox. The 1971 4sp auto were quick cars for

6431-417: The U.S. National Highway Traffic Safety Administration regulations that mandated no damage at an impact of 5 miles per hour (8.0 km/h). North American market SL and SLC models retained the protruding 5 mph bumpers, even after the wisdom of the law was reconsidered in 1981. The 450SL was produced until 1980. The smaller engined 380SL replaced the 450SL from 1981 to 1985. The Malaise era 380SL

6540-556: The US with low compression 4.5 liter V8 engines to meet stringent US emissions requirements, yet still provide adequate power. US cars sold from 1972 through 1975 used the Bosch D Jetronic fuel injection system, an early electronic engine management system. US models sold from 1976 through 1979 used the Bosch K Jetronic system, an entirely mechanical fuel injection system. From 1974, the front and rear bumpers were dramatically lengthened, by 8 inches (203 mm) on each end, to comply with

6649-568: The US). During its production run, the SL was the only roadster offered by Mercedes-Benz. The C107/SLC was a four-seat car with a fixed roof and an optional sliding steel sunroof. It replaced the W111 Coupé in 1971 and was in turn replaced by the C126 S-class coupé in 1981. The R107 and C107 took the chassis components of the midsize 1968 Mercedes-Benz W114 model and mated them initially to

SECTION 60

#1732771737873

6758-402: The actual engine displacement. Engines with displacements from 6.0 to 6.6 L (366 to 403 cu in) have been classified as both small-block and big-block, depending on the particular manufacturer's range of engines. V8 engines have been used in many forms of motorsport, from Formula One , IndyCar , NASCAR , DTM and V8 Supercars circuit racing, to Top Fuel drag racing. Among

6867-522: The aluminium-conversion Chrysler 426 Hemi engine and run on highly explosive nitromethane fuel. The world's fastest non-jet-powered (i.e., piston-engine powered) wheeled land vehicle, the Speed Demon, which achieved a speed of 744.072 km/h (462.345 mph) in 2017, is powered by a V8 engine based on the Chevrolet small-block engine design. The first Australian-designed car to use

6976-417: The big coupé, featuring a new all-aluminium five-liter V8, aluminium alloy bonnet and boot lid, as well as a black rubber rear spoiler and a small front lip spoiler. These changes resulted in a reduction in weight of over 100kg when compared to the 'old' 450SLC. The '5.0' was built in limited numbers, only 2,769 being completed between 1977 and 1981. Maximum speed of the '5.0' was some 10km/h faster than that of

7085-736: The captive domestic market from early 1977 (on a contractor basis before Daimler-Benz A.G. acquired a majority stake of UCDD in 1984). Only about 40 units per month were built. AMG offered enhancements for all R107/C107 models, while engine enhancements were not available for the 420 SL. AMG offered two upgrade tiers for the M117. Tier 1 includes: Combustion chambers and conduits of both cylinder heads were reworked and polished, two AMG camshafts. Tier 1 rose output by 19kW (26HP). Tier 2 includes all of Tier 1 and: Larger valves and camshafts with longer valve timing and more valve stroke along with higher compression combustion chambers rising output 37kW (46HP). In

7194-479: The car appeared during the next year or two, all conforming to the same basic design and earning for themselves a reputation second to none for fast and reliable travel. The 60-h.p. cars were announced late in 1902. The cars were possessed of a very real performance superior to anything else which could be bought at the time... and the model achieved an almost invincible position among the fast cars of its day. The Sports Car: Development and Design The basis for

7303-411: The crankshaft can be machined from a flat billet and does not require counterweights so it is lighter. However, it produces more vibration due to a secondary imbalance. Most early V8 road car engines also used a flat-plane crankshaft since this was simpler to design and build than a cross-plane crankshaft. Early flat-plane V8 engines included the 1910 De Dion-Bouton engine, the 1915 Peerless engine, and

7412-402: The day with 0-60 mph in 8 seconds. In addition, the rare 1971 cars were fitted with Bosch electronic fuel injection. The 350SL and 350SLC for the European market used a 3.5 liter V8 engine. From July 1974 both SL and SLC could also be ordered with a fuel-injected 2.8L straight-6 as 280SL and 280SLC. In September 1977 the 450SLC 5.0 joined the line. This was a homologation version of

7521-411: The development of performance cars such as the 1910 Vauxhall Prince Henry , 1910 Sunbeam 12/16 , 1910 Talbot 25 hp , 1910 Straker-Squire 15 hp and 1913 Star 15.9 hp . Following the halt in sports car production caused by World War I , Europe returned to manufacturing automobiles from around 1920. It was around this time that the term 'Sports Car' began to appear in the motor catalogues, although

7630-400: The early 1920s, the cost to produce a racing car was not significantly higher than a road car, therefore several manufacturers used the design from the current year's racing car for the next year's sports car. For example, the 1921 Ballot 2LS based on the racing car that finished third at the 1921 French Grand Prix. The Benz 28/95PS was also a successful racing car, with victories including

7739-463: The exact origin of the name is not known. The decade that followed became known as the vintage era and featured rapid technical advances over the preceding Brass Era cars . Engine performance benefited from the abandonment of " tax horsepower " (where vehicles were taxed based on bore and number of cylinders, rather than actual power output) and the introduction of leaded fuel , which increased power by allowing for higher compression ratios . In

7848-758: The exception of the R171 SLK 55 AMG Black Series and the SL65 AMG Black Series, the SLC remains the only fixed roof Mercedes-Benz coupé based on a roadster rather than a saloon. Following the discontinuation of the SLC in November 1981, the 107 series continued, initially as the 280SL, 380SL, and 500SL. At this time, the V8 engines were re-tuned for greater efficiency, lost a few horsepower and consumed less fuel, largely due to substantially higher (numerically lower) axle ratios that went from 3.27:1 to 2.47:1 for

7957-418: The first supercars . Other significant European models of the 1960s and 1970s which might be considered supercars today are the Ferrari 250 GTO (1962-1964), Ferrari 250 GT Lusso (1963-1964), Ferrari 275 GTB/4 (1966-1968), Maserati Ghibli (1967-1973), Ferrari Daytona (1968-1973), Dino 246 (1969-1974), De Tomaso Pantera (1971-1993), Ferrari 308 GTB (1975-1980) and BMW M1 (1978-1981). In 1966,

8066-460: The first German V8 engines was the 1928–1945 Argus As 10 aircraft engine. This engine was air-cooled, used an 'inverted V' design, and was used in several training, surveillance, and communications airplanes. From 1933 until 1940, the Horch 830 luxury cars were powered by V8 engines (sold alongside Horch's larger straight-eight engines). Shortly after, the 1934–1937 Stoewer Greif V8 was powered by

8175-399: The first V8 Formula One cars to compete were the 1952 AFM entry and the 1954 Lancia D50 , with a development of the latter powering Juan Manuel Fangio's 1956 car to victory in the driver's championship. The 1.5 L Formula One era of 1961–1965 included V8 engines from Ferrari, Coventry Climax, British Racing Motors (BRM), and Automobili Turismo e Sport (ATS). The driver's championships for

8284-528: The first World War by the R.A.C. , appealed to the public imagination and offered to the manufacturers of the more sporting cars an excellent opportunity for boosting sales of their products." The classic Italian road races— the Targa Florio , and the Mille Miglia (first held in 1927)— also captured the public's imagination. By 1925, the higher profits available for four-seater cars resulted in

8393-431: The first half of the 1980's a few copies of the 500 SL were made equipped with AMG tuned M 117 with 5.2 and 5.4 liter displacements. AMG options included aerodynamic and appearance elements, limited slip differentials of 3.06, 3.27, and 3.46 ratios, suspension and handling equipment, AMG steering wheels, extended range fuel tanks and rare 5 speed manual transmissions. Individual vehicles made for special clients include

8502-523: The front) at angles of 0, 90, 270, and 180 degrees, which results in a cross shape for the crankshaft when it is viewed from one end. The rumbling exhaust sound produced by a typical cross-plane V8 engine is partly due to the uneven firing order within each of the two banks of four cylinders. A usual firing order of L-R-L-L-R-L-R-R (or R-L-R-R-L-R-L-L) results in uneven intake and exhaust pulse spacing for each bank. When separate exhaust systems are used for each bank of cylinders, this uneven pulsing results in

8611-476: The larger 5.6 liter engine of the U.S. 560SL, the forbidden Euro-spec 500SL was the fastest production R107 produced (mostly because of the lack of emission reducing components). The 500SL was published by Mercedes-Benz as having 0-60 mph times of 7.4 seconds for a top speed of 225 km/h (140 mph). Torque for the 500SL is 296 lb⋅ft (401 N⋅m) at 3200 rpm and for the 560SL 287 lb⋅ft (389 N⋅m) at 3500 rpm. Model years 1975 and 1976 for

8720-573: The late 1920s were AC Cars , Alfa Romeo , Alvis , Amilcar , Bignan and Samson, Chenard-Walcker , Delage , Hispano-Suiza , Hotchkiss , Mercedes-Benz and Nazzaro . Two cars from the Vintage Era that would influence sports cars for many years were the Austin Seven and MG M-type "Midget". Successful sports cars from Bentley during this era were the Bentley 3 Litre (1921-1929) and

8829-518: The mass-produced cars upon which they were based. The highest selling sports car company of the 1930s was Morris Garages , who produced 'MG Midget' models of the M-Type , J-Type , P-Type and T-Type . The K3 version of the K-Type Magnette was a successful racing car, achieving success in the Mille Miglia , Tourist Trophy and 24 Hours of Le Mans . The Bugatti Type 57 (1934-1940)

8938-537: The middle of the vehicle ( MR layout ). Examples of FR layout sports cars include the Caterham 7 , Mazda MX-5 , and the Dodge Viper . Examples of MR layout sports cars are the Ferrari 488 , Ford GT , and Toyota MR2 . To avoid a front-heavy weight distribution , many FR layout sports cars are designed so that the engine is located further back in the engine bay, as close to the firewall as possible. Since

9047-544: The most common layout for sports cars was a roadster (a two-seat car without a fixed roof). However, there are also several examples of early sports cars with four seats. Sports cars are not usually intended to transport more than two adult occupants regularly, so most modern sports cars are generally two-seat or 2+2 layout (two smaller rear seats for children or occasional adult use). Larger cars with more spacious rear-seat accommodation are usually considered sports sedans rather than sports cars. The 1993-1998 McLaren F1

9156-755: The notable exception of the Porsche 911 . The front-wheel drive layout with the engine at the front ( FF layout ) is generally the most common for cars, but it is not as common among traditional sports cars. Nonetheless, the FF layout is used by sport compacts and hot hatches such as the Mazdaspeed3 . Sports cars with an FF layout include the Fiat Barchetta , Saab Sonett , or Opel Tigra . The ancestor of all high-performance cars had its origin in Germany. The 28-h.p. Cannstatt-Daimler racing car of 1899

9265-456: The philosophy of achieving performance through minimizing weight and has been rated as one of the top 10 sports cars of the 1960s. The Elan featured fibreglass bodies, a backbone chassis, and overhead camshaft engines. A different style of roadster was the AC Cobra , released in 1962, which was fitted with V8 engines up to 7.0 L (427 cu in) in size by Shelby . The Porsche 911

9374-405: The problem was corrected by Mercedes-Benz, free of charge. Some vehicles escaped the retrofit and may at some point fail as a result. MYs 1984 and 1985 came with a double row timing chain from the factory to address this issue. Another problem area for late 450SLs was the automatic climate control system. Based on a servo which controlled coolant flow to the heater core, as well as vacuum to actuate

9483-423: The production of two-seat sports cars being limited to smaller manufacturers such as Aston-Martin (350 Astons built from 1921 to 1939) and Frazer-Nash (323 cars built from 1924 to 1939). Then by the late 1920s, the cost of producing racing cars (especially Grand Prix cars) escalated, causing more manufacturers to produce cars for the growing sports car market instead. Significant manufacturers of sports cars in

9592-693: The rumbling sound typically associated with V8 engines. However, racing engines seek to avoid these uneven exhaust pressure pulses to maximize the power output. The 1960s cross-plane V8 racing engines used long primary exhaust pipes (such as the Ford GT40 endurance racing car) or located the exhaust ports on the inside of the V-angle (such as the Lotus 38 IndyCar) to link the exhaust systems from each bank and provide even exhaust gas pulses),. A flat-plane crankshaft configuration provides two benefits. Mechanically,

9701-433: The season's end. An Albert Pfuhl proceeded to buy all six cars, equipment, and spare parts from the works team. Pfuhl and his team built a series of cars to compete in the 1984 Paris–Dakar Rally with a white and blue "BOSS" livery. The cars finished well down the order. Sports car A sports car is a type of car that is designed with an emphasis on dynamic performance, such as handling , acceleration, top speed,

9810-558: The sporting events of the period, bringing renown to successful entrants. The Prince Henry Tours started the evolution of reasonably large and technically advanced production sports cars. In England, the development of sporting cars was inhibited by the Motor Car Act 1903 , which imposed a speed limit of 20 mph (32 km/h) on all public roads. This led to the 1907 opening of the Brooklands motor circuit , which inspired

9919-408: The sports car is traced to the early 20th century touring cars and roadsters , and the term 'sports car' would not be coined until after World War One. A car considered to be "a sports-car years ahead of its time" is the 1903 Mercedes Simplex 60 hp , described at the time as a fast touring car and designed by Wilhelm Maybach and Paul Daimler . The Mercedes included pioneering features such as

10028-476: The sports car, but also the most important and diverse technical developments [and] very rapid and genuine improvement in the qualities of every modern production car; assisted by new design and manufacturing techniques a consistently higher level of handling properties has been achieved." In Italy, a small but wealthy market segment allowed for the manufacture of a limited number of high-performance models directly allied to contemporary Grand Prix machines, such as

10137-627: The thrill of driving, and racing capability. Sports cars originated in Europe in the early 1910s and are currently produced by many manufacturers around the world. Definitions of sports cars often relate to how the car design is optimised for dynamic performance, without any specific minimum requirements; both a Triumph Spitfire and Ferrari 488 Pista can be considered sports cars, despite vastly different levels of performance. Broader definitions of sports cars include cars "in which performance takes precedence over carrying capacity", or that emphasise

10246-462: The vents in the interior of the car, the system proved unreliable. It was installed on 450SLs through end of production in 1980. Models produced prior to 1978 had a manual climate control system, 380SL models produced from 1981 received a more reliable automatic climate control system. Both the SL and SLC models were also assembled in South Africa by UCDD (United Car and Diesel Distributors) for

10355-478: The war, but a small number of manufacturers returned it to prominence. In 1948, the Porsche 356 was released as the debut model from Porsche. The significance of the Porsche 356 and its successors was described in 1957 as "future historians must see them as among the most important of mid-century production cars". The 1954 Mercedes-Benz 300 SL is another significant car from this era. The 1961 Jaguar E-Type

10464-558: Was a 2-door hardtop coupé, on a 36 cm (14.2 in) longer wheelbase, and with normally sized rear seats. The SLC was the first and only time that Mercedes-Benz based their S-class coupé on a stretched SL roadster platform, rather than on a large S-class saloon. The SLC replaced the former saloon-based 280/300SE coupé in the Mercedes lineup, while there was no two-door version of the W116 . The SLC model run ended in 1981, much earlier than

10573-415: Was a pioneering all-wheel drive sports car. The 1995 Porsche 911 Turbo (993) saw the 911 Turbo model switch to all-wheel drive, a drivetrain layout that the model uses to this day. The BMW M3 was released in 1986 and has been produced for every generation since. The 1993-1996 Mercedes-Benz W124 E36 AMG was the mass-produced AMG model. Audi's equivalent division, called "RS", was launched in 1994 with

10682-627: Was also used in touring car racing and formed the basis of the Repco-Holden engine used in Formula 5000 racing. In 1999, the Holden V8 engine began to be replaced by the imported General Motors LS1 V8 engine. In 1971, Ford Australia began local production of the Ford 'Cleveland' V8 , an overhead valve cast-iron engine. The engine was produced in displacements of 4.9 L (302 cu in) and 5.8 L (351 cu in) for use in

10791-635: Was an unusual arrangement for a car used to compete in rallying, nonetheless it was very successful and won the World Rally Championship in 1974 , 1975 , and 1976 . The Lancia Montecarlo was produced from 1975 to 1981 and is a mid-engine two-seater, available as a coupé or a targa-top. It was sold as Lancia Scorpion in the USA. Its racing variant, Montecarlo Turbo, won the 1979 World Championship for Makes in its division and overall for 1980 World Championship for Makes and 1981 World Endurance Championship for Makes . Montecarlo also won

10900-627: Was another significant sports car of the pre-war era and is now among the most valuable cars in the world. The T57 was successful in sports car races, including winning the 1937 24 Hours of Le Mans and 1939 24 Hours of Le Mans . Another successful Bugatti sports car was the Bugatti Type 55 (1932-1935), which was based on the Type 51 Grand Prix racing car. The decade following the Second World War saw an "immense growth of interest in

11009-575: Was first used on the Mercedes-Benz M113 engine in 2002 and turbocharging was first used on non-commercial diesel V8 engines in 1999 with the OM628 and on petrol engines with the M278 engine in 2010. Porsche's first road car to use a V8 engine was the 1978 Porsche 928 coupe. Its first to use a V8 diesel engine was the second-generation Cayenne S Diesel in 2014. Audi's first road car to use

11118-496: Was from 2006 to 2013 , when the rules mandated use of 2.4 L (146 cu in) naturally-aspirated V8 engines, with regular power outputs between 730 and 810 hp (in order to reduce the power outputs being achieved by the previous 3.0 litre V10 engines). These were replaced by 1.6 litre turbocharged V6 engines for the 2014 and later seasons. V8 engines have dominated American premier stock car racing NASCAR series since its inaugural 1949 season . However, there wasn't

11227-485: Was in 1928. Sports cars started to become popular during the 1920s. The term initially described two-seat roadsters (cars without a fixed roof), however, since the 1970s the term has also been used for cars with a fixed roof (which were previously considered grand tourers ). Attributing the definition of 'sports car' to any particular model can be controversial or the subject of debate among enthusiasts. Authors and experts have often contributed their ideas to capture

11336-694: Was produced until 1980. Other successful lightweight roadsters include the Triumph Spitfire (1962-1980) and the Alfa Romeo Spider (1966-1993). The Fiat X1/9 (1972-1989) was unusual for its use of a mid-engine design in an affordable roadster model. A late entrant to the affordable roadster market was the 1975 Triumph TR7 , however by the late 1970s the demand for this style of car was in decline, resulting in production ceasing in 1982. The original Lotus Elan (1962-1975) two-seat coupe and roadster models are an early commercial success for

11445-675: Was released in 1964 and has remained in production since. The 911 is notable for its use of the uncommon rear-engine design and the use of a flat-six engine . Another successful rear-engine sports car was the original Alpine A110 (1961-1977), which was a successful rally car during the Group 4 era. In 1965, the BMW New Class Coupes were released, leading to the BMW 6 Series which remains in production to this day. The Lamborghini Miura (1966) and Alfa Romeo 33 Stradale (1967) mid-engined high-performance cars are often cited as

11554-466: Was significantly increased following the 1932 introduction of the Ford Flathead V8 . By the early 21st century, the use of V8 engines in passenger vehicles declined as automobile manufacturers opted for more fuel efficient , lower capacity engines, or hybrid and electric drivetrains . The displacement of modern V8 engines is typically from 3.5 to 6.4 L (214 to 391 cu in). However, larger and smaller examples have been produced, such as

11663-496: Was the 2008–present BMW N63 engine. Their first eight-cylinder engine since passenger car and motorsport straight-eight engine production stopped in 1944 and 1955 respectively, Mercedes-Benz began production of the Mercedes-Benz M100 petrol V8 engine in 1963 and has continued production of V8 engines to the present day. The M100 had a single overhead camshaft, a cast-iron block, and an aluminium head. Supercharging

11772-412: Was the least powerful of the US market R107 roadsters. Starting in 1980, US cars were equipped with lambda control, which varied the air/fuel mixture based on feedback from an oxygen sensor. The 380SL was published by Mercedes-Benz as having 0-60 mph time of 9.3 seconds for a top speed of 205 km/h (127 mph). Torque for the 380SL is 232 lb⋅ft (315 N⋅m). The more powerful 500SL with

11881-417: Was without a doubt the first attempt to give real performance to a road car. Many of its features, such as a honeycomb radiator and gate gear change, were continued on the much improved version which Paul Daimler designed in 1899-1900. This was of course the famous Mercedes. It also laid down standards of chassis design which were to be followed, almost unthinkingly, for the next thirty years. Several variants of

#872127