The M270 and M274 were turbocharged, inline four-cylinder petrol engines that were developed for transverse and longitudinal applications, respectively. Replacing the M266 and M271 engines, the M270 and M274 engines were manufactured at the Mercedes-Benz plant in Stuttgart Untertürkheim and at MDC Power GmbH in Kölleda. The M270 and M274 engines had aluminium blocks and […]
Category: Engines
Mercedes-AMG M177 and M178 engines (2015-on)
Available from 2015, the Mercedes-AMG M177 and M178 are biturbo 4.0-litre V8 petrol engines. Manufactured at Mercedes-AMG’s Affalterbach plant, the M177 and M178 engines have 90-degree ‘V’ angle cylinder banks and capacities of 3982 cc with 83.0 mm bores and 92.0 mm strokes. With their cast aluminium closed-deck blocks and zirconium alloy cylinder heads, the […]
Mercedes-Benz M256 I6 petrol engine (2017-on)
Introduction The Mercedes-Benz M256 is an inline, six-cylinder petrol engine that is part of a modular engine family with: The OM654 four-cylinder diesel engine; The OM656 inline six-cylinder diesel engine; The M264 turbocharged four-cylinder petrol engine; and, The M176 biturbo V8 petrol engine. Significantly, the M256 engine has been designed for electrification and has both […]
Mercedes-Benz M166 and M266 engines
The Mercedes-Benz M166 and M266 were four-cylinder petrol engines. Manufactured in Stuttgart-Untertürkhiem, the M166 engines were produced from 1997 to 2005, while the M266 engines were produced from 2004 to 2013. The M166 and M266 engines had aluminium blocks and cylinder heads, five main bearing crankshafts, electronic fuel injection, a single overhead camshaft (chain-driven) and […]
Mercedes-Benz M176 biturbo V8 engine (2017-on)
Introduction The Mercedes-Benz M176 is a 4.0-litre biturbo V8 petrol engine that is part of a modular engine family with: The OM654 four-cylinder diesel engine; The OM656 inline six-cylinder diesel engine; The M264 turbocharged four-cylinder petrol engine; and, The M256 turbocharged inline six-cylinder petrol engine. Production of the M176 engine commenced at Mercedes-Benz’s Untertürkeim plant […]
Mercedes-Benz M156 and M159 engines (2006-14)
Mercedes-Benz M156 V8 engine The M156 was a 6.2-litre V8 petrol engine that was designed by Mercedes-AMG and had no parts in common with other Mercedes-Benz V8 engines. The M156 engine was assembled by hand at Mercedes-AMG in Affalterbach, Germany, and was first introduced in 2006 in the W211 E 63 AMG. The M156 engine […]
Mercedes-Benz M137 engine (1998-02)
The Mercedes-Benz M137 was a V8 petrol engine that was first introduced in the W220 S 600 as a replacement for the M120 engine. With 84.0 mm bores and an 87.0 mm stroke, the M137 E 58 engine had a capacity of 5786 cc. For the M137 E 63 AMG version of the engine, bore […]
Mercedes-Benz M152, M157 and M278 engines (2010-on)
Introduction The Mercedes-Benz M278, M157 and M152 were 90-degree V8 petrol engines that were introduced in 2010 to replace the M273 and M156 engines. Specifically, M278 referred to the 4.7-litre biturbo V8 engine for Mercedes-Benz vehicles; M157 referred to the 5.5-litre biturbo V8 engine for AMG-badged models; and, M152 referred to the 5.5-litre naturally aspirated […]
Mercedes-Benz M120 engine (1991-98)
The Mercedes-Benz M120 was a V12 petrol engine that was introduced in 1991. During its production, the M120 engine was used in the W140 600 SE and 600 SEL, W140 S600, C140 600 SEC, C140 CL 600, R129 600 SL and R129 SL 600. The M120 engine was replaced by the M137 engine in 1998. […]
Mercedes-Benz M133 engine (2013-on)
Introduction The Mercedes-Benz M133 was a turbocharged, four-cylinder inline petrol engine that was first introduced in the W176 A 45 AMG in 2013. The M133 engine was hand-produced by MDC Power GmbH in Kölleda, Germany, and key features included its: Forged steel crankshaft and forged pistons; Twin-scroll turbocharger which provided maximum boost pressure of 1.8 […]