The Mercedes-Benz OM611 engine is a

straight-4 A straight-four engine (also referred to as an inline-four engine) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The majority of automotive four-cylinder engines use a straight-four layout ( ...

diesel engine The diesel engine, named after the German engineer Rudolf Diesel, is an internal combustion engine in which Combustion, ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to Mechanics, mechanical Compr ...

that is produced by

Mercedes-Benz Mercedes-Benz (), commonly referred to simply as Mercedes and occasionally as Benz, is a German automotive brand that was founded in 1926. Mercedes-Benz AG (a subsidiary of the Mercedes-Benz Group, established in 2019) is based in Stuttgart, ...

. In 1998 it replaced the

naturally aspirated A naturally aspirated engine, also known as a normally aspirated engine, and abbreviated to N/A or NA, is an internal combustion engine in which air intake depends solely on atmospheric pressure and does not have forced induction through a turboc ...

OM604 with

indirect injection Indirect injection in an internal combustion engine is fuel injection where fuel is not directly injected into the combustion chamber. Gasoline engines equipped with indirect injection systems, wherein a fuel injector delivers the fuel at some p ...

in the W202 C-Class and the W210 E-Class for the 1999

model year The model year (sometimes abbreviated as MY) is a method of describing the version of a product which has been produced over multiple years. The model year may or may not be the same as the calendar year in which the product was manufactured. ...

, in and powertrains. In 1999 the displacement was reduced from to for the E-Class, and the engine were now available in and powertrains. It was also introduced with the facelift of the W90x Sprinter in 2000 for the 2001 model year in , and powertrains, and in the W203 C-Class in and powertrains. The W211 E-Class introduced in 2002 were not equipped with the OM611, but with the new OM646 engine. Force Motors utilized the OM611 engine in two of their vehicles, namely the 2011 Force One and the 2017 Force Gurkha Xtreme.

Technical specifications

References

OM611 Diesel engines by model {{automotive-part-stub Straight-four engines