Mercedes-Benz OM651 engine

Mercedes-Benz OM651
Overview
ManufacturerMercedes-Benz
Production2008–present
Layout
ConfigurationInline 4[1]
Displacement1.8 L (1,796 cc)
2.1 L (2,143 cc)
Cylinder bore83 mm (3.27 in)
Piston stroke83 mm (3.27 in)
99 mm (3.9 in)
Cylinder block materialCast iron[2]
Cylinder head materialAluminium alloy
ValvetrainDOHC, chain-driven
Compression ratio16.2:1
Combustion
TurbochargerSingle turbo / twin-turbo
Fuel systemCommon rail
Fuel typeDiesel
Cooling systemWater cooled
Output
Power output80–150 kW (107–201 hp)
Chronology
PredecessorMercedes-Benz OM646 engine
SuccessorMercedes-Benz OM654 engine

The OM651 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2008.

  1. ^ "Mercedes Engine Transplant: Modern Diesel in a 1992 190E 2.6". 22 December 2009.
  2. ^ "Mercedes Debuts New Generation of Four-Cyindler Diesel Engines | eMercedesBenz - the Unofficial Mercedes-Benz Weblog". Archived from the original on 2018-11-29. Retrieved 2015-01-13.