Mercedes-Benz W203
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Mercedes-Benz W203
The Mercedes-Benz C-Class (W203) is the internal designation for a range of compact executive cars manufactured and marketed by DaimlerChrysler from 2000 to early 2007, as the second generation of the C-Class — in sedan/saloon, three-door liftback (marketed as the ''SportCoupé'' and sub-designated ''CL203'') and station wagon/estate (sub-designated ''S-203'') body styles. Design and development Design work on the W203 C-Class began in mid-1994, with the final design being approved in December 1995 by the executive board. Design patents were filed on 20 April 1998 and 4 March 1999. Testing began in 1997, with development concluding in 2000. The second generation C-Class was unveiled on March 21, 2000, going on sale starting in September 2000. The sedan debuted with a range of inline-four and V6 petrol engines and inline-four and -five diesels. Most of the engines were carried over from the W202, but the C 320 was exclusive, offering . The diesels now featured common rail ...
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DaimlerChrysler
The Mercedes-Benz Group AG (previously named Daimler-Benz, DaimlerChrysler and Daimler) is a German multinational automotive corporation headquartered in Stuttgart, Baden-Württemberg, Germany. It is one of the world's leading car manufacturers. Daimler-Benz was formed with the merger of Benz & Cie. and Daimler Motoren Gesellschaft in 1926. The company was renamed DaimlerChrysler upon acquiring the American automobile manufacturer Chrysler Corporation in 1998, and was again renamed Daimler AG upon divestment of Chrysler in 2007. In 2021, Daimler AG was the second-largest German automaker and the sixth-largest worldwide by production. In February 2022, Daimler was renamed Mercedes-Benz Group. The Mercedes-Benz Group's marques are Mercedes-Benz for cars and vans (including Mercedes-AMG and Mercedes-Maybach) and Smart. It has shares in other vehicle manufactures such as Daimler Truck, Denza, BAIC Motor and Aston Martin. By unit sales, the Mercedes-Benz Group is the thirteenth-l ...
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Mercedes-Benz M271 Engine
The Mercedes-Benz M271 engine is a straight-4 automobile piston engine family used in the 2000s (decade). All M271 engines are built in Untertürkheim, Germany. The family has a cast aluminium engine block and aluminium DOHC cylinder heads with 4 valves per cylinder and variable valve timing and a coil-on-plug ignition system. KE18ML (271.95X) The KE18ML is a version. Bore and stroke is . Output ranges from at 5200 rpm to at 5800 rpm. It uses sequential fuel injection, is supercharged and intercooled, and features fracture-split forged steel connecting rods. A version running on natural gas was introduced in the German market in 2002. Applications: * 2002 Mercedes-Benz CLK-Class (W209) CLK 200 KOMPRESSOR * 2002 Mercedes-Benz C-Class (W203) C 180 KOMPRESSOR, C 200 KOMPRESSOR, C 230 KOMPRESSOR * 2002 Mercedes-Benz C-Class Sportcoupé CLC 180 KOMPRESSOR, CLC 200 KOMPRESSOR, * 2002 Mercedes-Benz E-Class (W211) E 200 KOMPRESSOR * 2004 Mercedes-Benz E-Class (W211) E ...
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Manual Transmission
A manual transmission (MT), also known as manual gearbox, standard transmission (in Canada, the United Kingdom, and the United States), or stick shift (in the United States), is a multi-speed motor vehicle transmission (mechanics), transmission system, where gear changes require the driver to manually select the gears by operating a gear stick and clutch (which is usually a foot pedal for cars or a hand lever for motorcycles). Early automobiles used ''sliding-mesh'' manual transmissions with up to three forward gear ratios. Since the 1950s, ''constant-mesh'' manual transmissions have become increasingly commonplace and the number of forward ratios has increased to 5-speed and 6-speed manual transmissions for current vehicles. The alternative to a manual transmission is an automatic transmission; common types of automatic transmissions are the Automatic transmission#Hydraulic automatic transmissions, hydraulic automatic transmission (AT), and the continuously variable transmissio ...
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Mercedes-Benz OM642 Engine
The Mercedes-Benz OM642 engine is a , 24-valve, aluminium/aluminium block and heads diesel 72° V6 engine manufactured by the Mercedes-Benz division of Daimler AG as a replacement for the Mercedes straight-5 and straight-6 cylinder engines. The engine features common rail Direct injection and a variable nozzle turbocharger. The injection system operates at , while the compression ratio is 18.0:1. The engine features a counter-rotating balance shaft mounted between the cylinder banks to cancel the vibrations inherent to the 72 degree V6 design, and the crankpins are offset by 48 degrees to achieve even 120 degree firing intervals. In some heavy vehicle applications, Mercedes' BlueTec AdBlue urea injection is utilised for NOx reduction.Consumer Reports: What is BlueTec?
In lighter vehicle applica ...
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Straight-five Engine
The straight-five engine (also referred to as an inline-five engine; abbreviated I5 or L5) is a piston engine with five cylinders mounted in a straight line along the crankshaft. Although less common than straight-four engines and straight-six engines, straight-five engines have occasionally been used by automobile manufacturers since the late 1930s, particularly the Mercedes Benz's diesel engines from 1974 to 2006 and Audi's petrol engines from 1979 to the present. Straight-five engines are smoother running than straight-four engines and shorter than straight-six engines. However, achieving consistent fuelling across all cylinders was problematic prior to the adoption of fuel injection. Characteristics Straight-five engines are typically shorter than straight-six engines, making them easier to fit transversely in an engine bay. They are also smoother than straight-four engines, and are narrower than V engines and flat engines. Engine balance and vibration Five-cylinder e ...
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Mercedes-Benz OM612 Engine
The Mercedes-Benz OM612 engine is a straight-5 diesel engine produced by Mercedes-Benz. It was introduced in 1999 for the 2000 model year in a version in the W210 E-Class, W211 E-Class, W163 ML-Class, W203 C-Class and W209 CLK-Class in 2000. Also used in the Austrian built Jeep WG Grand Cherokee (ENF in Jeep catalogues), equivalent to the petrol WJ. On SsangYong models it names D27DT (further DTP) engine or OM665.9xx engine and has another displacement. These models have an index of x270 XDI. A detuned version with was used in the W90x Sprinter from 2000 to 2006, and in some versions of the military G-Wagen. The OM612 DE 30 LA is a 2950 cc version with , developed by Mercedes-AMG Mercedes-AMG GmbH, commonly known as AMG, is the high-performance subsidiary of Mercedes-Benz AG. AMG independently hires engineers and contracts with manufacturers to customize Mercedes-Benz AMG vehicles. The company has its headquarters in Aff ..., was used in the C 30 CDI AMG versions of ...
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Mercedes-Benz OM646 Engine
The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz. Design The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump, exhaust gas recirculation, particulate filters, and Euro 4 emission standard compliance (from 2003). In 2006, the engine was updated under the EVO name and replaced the OM647 and OM648 engines. It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts. Models OM646 DE22 LA R * 2003–2006 W211 E200 CDI * 2003–2007 W203 C200 CDI * 2003–2010 W639 Vito 109 CDI, 111 CDI, 2.0 CDI * 2008–2010 CL203 CLC200 CDI *2003-2009 Chrysler PT Cruiser OM646 DE22 LA * 2002–2006 W211 E220 CDI * 2004–2007 W203 C220 CDI * 2003–2010 W639 Vito 115 CDI, 2.2 CDI * 2005–2010 C209 CLK220 CDI * 2006–2009 W906 Sprinter 209-516 CDI * 2008–2010 CL203 CLC220 CDI * 2010–2013 Vito (Chinese market; known as OM6 ...
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Mercedes-Benz OM611 Engine
The Mercedes-Benz OM611 Internal combustion engine, engine is a straight-4 diesel engine that is produced by Mercedes-Benz. In 1998 it replaced the naturally aspirated Mercedes-Benz OM604 engine, OM604 with indirect injection in the Mercedes-Benz C-Class (W202), W202 C-Class and the Mercedes-Benz W210, W210 E-Class for the 1999 model year, in and powertrains. In 1999 the displacement was reduced from to for the E-Class, and the engine were now available ind and powertrains. It was also introduced with the facelift of the Mercedes-Benz Sprinter, W90x Sprinter in 2000 for the 2001 model year in , and powertrains, and in the Mercedes-Benz C-Class#W203, W203 C-Class in and powertrains. The Mercedes-Benz W211, W211 E-Class introduced in 2002 were not equipped with the OM611, but with the new Mercedes-Benz OM646 engine, OM646 engine. Technical specifications

Mercedes-Benz engines, OM611 Diesel engines by model {{automotive-part-stub Straight-four engines ...
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Diesel Engine
The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-called compression-ignition engine (CI engine). This contrasts with engines using spark plug-ignition of the air-fuel mixture, such as a petrol engine (gasoline engine) or a gas engine (using a gaseous fuel like natural gas or liquefied petroleum gas). Diesel engines work by compressing only air, or air plus residual combustion gases from the exhaust (known as exhaust gas recirculation (EGR)). Air is inducted into the chamber during the intake stroke, and compressed during the compression stroke. This increases the air temperature inside the cylinder to such a high degree that atomised diesel fuel injected into the combustion chamber ignites. With the fuel being injected into the air just before combustion, the dispersion of the fuel is une ...
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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 V8 engine was produced by the French Antoinette company in 1904, developed and used in cars and speedboats but primarily aircraft; while the American 1914–1935 ''Cadillac L-Head'' engine is considered the first road going V8 engine to be mass produced in significant quantities. The popularity of V8 engines in cars was greatly increased following the 1932 introduction of the ''Ford Flathead V8''. In the early 21st century, use of V8 engines in passenger vehicles declined as automobile manufacturers opted for more fuel efficient, lower capacity engines, or hybrid and electric drivetrains. Design V-angle The majority of V8 engines use 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 a larg ...
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Mercedes-Benz M113 Engine
The Mercedes-Benz M113 (and similar M155) engine is a gasoline-fueled, spark-ignition internal-combustion V8 automobile engine family used in the 2000s. It is based on the similar M112 V6 introduced in 1998, then later phased out in 2007 for the M156 AMG engine and the M273 engine. The standard Mercedes-Benz M113s were built in Untertürkheim, Germany, while the AMG versions were assembled at AMG's Affalterbach, Germany plant. M113s have aluminum/silicon (Alusil) engine blocks and aluminum SOHC cylinder heads with two spark plugs per cylinder. The cylinder heads have 3 valves per cylinder (two intake, one exhaust). Other features include Sequential fuel injection, iron coated piston skirts, fracture-split forged steel connecting rods, a one-piece cast camshaft, and a magnesium intake manifold. M113 43 The M113 43 is a version. Bore and stroke is . Power output is at 5,750 rpm with of torque at 3,000 rpm. Output for the variant used in the C43 AMG is uprated to ...
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Mercedes-AMG
Mercedes-AMG GmbH, commonly known as AMG, is the high-performance subsidiary of Mercedes-Benz AG. AMG independently hires engineers and contracts with manufacturers to customize Mercedes-Benz AMG vehicles. The company has its headquarters in Affalterbach, Baden-Württemberg, Germany. AMG was originally an independent engineering firm specializing in performance improvements for Mercedes-Benz vehicles. DaimlerChrysler AG took a controlling interest in 1999, then became the sole owner of AMG in 2005. Mercedes-AMG GmbH is now a wholly owned subsidiary of Mercedes-Benz AG, which is in turn owned by the Mercedes-Benz Group. AMG models typically have more aggressive looks, better performance, better handling, better stability and more carbon fibre than their regular Mercedes-Benz counterparts. AMG models are typically the most expensive and highest-performing variant of each Mercedes-Benz class. AMG variants are usually badged with two numerals, as opposed to regular Mercedes-Benz ve ...
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