The M270 and M274 are

turbocharged In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...

Inline-four engine A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The vast majority of automotive four-cylinder engines use a straight-four layout (with the ...

s produced by

Mercedes-Benz Mercedes-Benz (), commonly referred to as Mercedes and sometimes as Benz, is a German luxury and commercial vehicle automotive brand established in 1926. Mercedes-Benz AG (a Mercedes-Benz Group subsidiary established in 2019) is headquartere ...

since 2011. They are the successor to the previous M266 and

M271 M271 may refer to: *M271 motorway, a short motorway in Hampshire, England *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 Untertür ...

engines respectively. The engine appeared on the Ward's 10 Best Engines list for 2017.

Design

M270 refers to the

transverse Transverse may refer to: *Transverse engine, an engine in which the crankshaft is oriented side-to-side relative to the wheels of the vehicle *Transverse flute, a flute that is held horizontally * Transverse force (or ''Euler force''), the tangen ...

configuration for front-wheel drive vehicles, while M274 refers to the longitudinally-mounted layout for

rear-wheel drive Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only. Until the late 20th century, rear-wheel drive was the most common configuration for cars. Most rear-wheel ...

vehicles. Both engines are based on the same design with dual overhead camshafts, 4 valves per cylinder,

variable valve timing In internal combustion engines, variable valve timing (VVT) is the process of altering the timing of a valve lift event, and is often used to improve performance, fuel economy or emissions. It is increasingly being used in combination with varia ...

, direct injection, and compliance with the EU6 emissions standard. A engine was introduced in September 2012 featuring an increased piston stroke up to , increased performance figures, and a 9.8:1 compression ratio. The M274 engine was also used on the Infiniti Q50 since 2014.

M270 engine

M270 DE16 LA R

75 kW version * 2015–2018 W176 A160 * 2015–2018 W246 B160 90 kW version * 2011–2018 W246 B180 * 2012–2018 W176 A180 * 2013–2019 C117 CLA180 * 2015–2019 X156 GLA180

M270 DE16 LA

* 2011–2018 W246 B200 * 2012–2018 W176 A200 * 2013–2019 C117 CLA200 * 2014–2019 X156 GLA200 * 2014-2018 W205 C180 * 2017-2019 W213 E180

M270 DE20 LA

115 kW version * 2013–2018 W246 B200 Natural Gas Drive 135 kW version * 2013–2018 W246 B220 4MATIC * 2014–2018 W176 A220 4MATIC * 2016–2018 C117 CLA220 4MATIC 155 kW version * 2012–2018 W176 A250 * 2012–2018 W246 B250 * 2013–2019 C117 CLA250 * 2013–2019 X156 GLA250 * 2015–2019 Infiniti Q30 * 2016–2019 Infiniti QX30 160 kW version * 2015–2018 W176 A250 Sport * 2015–2019 C117 CLA250 Sport

M274 engine

M274 DE16 LA

95 kW version * 2015–2019 W205 C160 115 kW version * 2012–2013 W204 C180 *2014–2019 W205 C180 * 2013–2016 W212 E180

M274 DE20 LA

115 kW version * 2013–2016 W212 E200 Natural Gas Drive 135 kW version * 2013–2016 W212 E200 * 2013–2016 X204 GLK200 * 2014–2018 W205 C200 * 2015–2020 R172 SLK/SLC200 * 2016–present W213 E200 155 kW version * 2013–2016 W212 E250 * 2013–2016 X204 GLK250 *2016–2019 X253 GLC250 4MATIC * 2014–2018 W205 C250 * 2015–2018 W205 C350e Mercedes-Benz_M274_W205_C350e

*2018–present W205 C300e * 2015–2019 V37 Q50/ Nissan Skyline (2014-2019; 200GT-t DBA-ZV37/DBA-YV37) * 2016–2018 W213 E250 * 2016–2018 W213 E350e *2018–present W213 E300e * 2015–2019 X253 GLC350e 4MATIC *2019–present X253 GLC300e 4MATIC * 2016–present Mercedes-Benz V-Class (Chinese market; known as the M274 920) * 2016-2023 Mercedes-Benz Metris (W447) * 2016–present CV37 Q60 * 2015–2019 Y51 Q70 180 kW version * 2015–2018 W205 C300 * 2015–2018 W213 E300 * 2015–2019 R172 SLC300 * 2015–2019 X253 GLC300 / GLC300 4MATIC

References

{{reflist Mercedes-Benz engines Straight-four engines Gasoline engines by model