Mercedes-Benz OM651 engine

Mercedes-Benz OM651
Overview
ManufacturerMercedes-Benz
Production2008–present
Layout
ConfigurationInline-4
Displacement
  • 1,796 cc (1.796 L)
  • 2,143 cc (2.143 L)
Cylinder bore83 mm (3.27 in)
Piston stroke
  • 83 mm (3.27 in)
  • 99 mm (3.9 in)
Cylinder block materialCast iron
Cylinder head materialAluminium alloy
ValvetrainDOHC, chain-driven and gears
Compression ratio16.2:1
Combustion
TurbochargerSingle turbo / bi-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 Mercedes-Benz OM651 is a family of inline-four diesel engines introduced by Mercedes-Benz in 2008.

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