Mercedes-Benz OM651 2.1 CDI Used Engine

Description

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

However, 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, we recommend confirming the correct variant before purchase.

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

Engine Specifications (OM651 Family):

• Engine Family: OM651
• Common Variant Code: M651.9
• Displacement: 2.1 L (2143 cc)
• Fuel Type: Diesel (CDI)
• Induction: Turbocharged (variant dependent)
• Configuration: Head, block and sump only
• Condition: Used

Compatible Mercedes-Benz Models:

• Mercedes-Benz A-Class (W176 – diesel variants)
• Mercedes-Benz C-Class (W204)
• Mercedes-Benz E-Class (W212)
• Mercedes-Benz S-Class (W221 – selected variants)
• Mercedes-Benz ML / GLE-Class (W166)

OM651 Engine Variants:

Mercedes produced the OM651 engine in several configurations over its production run. As a result, 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

Note: Variant availability depends on current stock. Therefore, please enquire to confirm the correct OM651 variant for your vehicle before purchase.

Donor Vehicle: 2016 MERCEDES-BENZ A200D

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