Mercedes-Benz OM651 2.1 CDI diesel engine
Mercedes-Benz OM651 2.1 CDI Used Engine - Image 2
Mercedes-Benz OM651 2.1 CDI Used Engine - Image 3
Mercedes-Benz OM651 2.1 CDI Used Engine - Image 4

Mercedes-Benz OM651 2.1 CDI Used Engine

R1,00

The OM651 2.1 CDI diesel engine family is widely used across Mercedes-Benz models and is available in multiple variants depending on vehicle application and emissions configuration. Please confirm compatibility using your engine code or VIN before enquiring.

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Description

Mercedes-Benz OM651 2.1 CDI used engine fitted across a wide range of Mercedes-Benz passenger and light commercial diesel vehicles. Mercedes designed the OM651 as a 4-cylinder common-rail turbo diesel engine, prioritising efficiency, durability, and broad model compatibility.

The OM651 is not a single fixed engine. Instead, Mercedes produced it in multiple variants to suit different vehicles, power outputs and emissions standards. For this reason, confirming the correct engine code before purchase is essential.

We supply this engine as a head, block and sump. Ancillary components are not included unless otherwise specified. Additional parts may be available upon request depending on stock.

Engine Specifications (OM651 Family)

Engine Family: OM651
Common Variant Code Range: OM651.9xx
Displacement: 2.1 L (2143 cc)
Fuel Type: Diesel (CDI)
Induction: Turbocharged (variant dependent)
Configuration Supplied: Head, block and sump only
Condition: Used

Compatible Mercedes-Benz Models

The OM651 engine family was used in various diesel models including:

  • Mercedes-Benz A-Class (W176 diesel variants)
  • Mercedes-Benz CLA-Class (W117 diesel variants)
  • Mercedes-Benz C-Class (W204 / W205 diesel variants)
  • Mercedes-Benz E-Class (W212 diesel variants)
  • Mercedes-Benz ML / GLE-Class (W166 diesel variants)

Fitment depends on the exact OM651 engine code. Always confirm compatibility using your VIN or engine number.

OM651 Engine Variants

Mercedes produced the OM651 engine in several configurations over its production run. Different variant codes exist for different applications. Common OM651 variant codes include:

  • OM651.901 / 902
  • OM651.911 / 912
  • OM651.921 / 922 / 924
  • OM651.925
  • OM651.930 / 931
  • OM651.955
  • OM651.960 (BlueTEC / SCR variant)

For availability, OM651 engine code confirmation and delivery options, please contact us.

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