Offered is a complete original Mercedes-Benz diesel engine, model OM651.921, rated at 150 kW, supplied with add-on components and suitable for a wide range of Mercedes models. This engine has 0 km runtime and has been originally tested by Mercedes, ensuring factory-level quality, reliability, and performance.
Ideal for direct replacement, professional workshop installations, or high-quality restorations where OEM standards are required.
Product Details
Engine Type: Mercedes-Benz OM651.921
Fuel Type: Diesel
Power Output: 150 kW
Condition: Original OEM – brand new (0 km)
Test Status: Tested and approved by Mercedes-Benz
Included: Engine with add-on parts (as supplied)
Suitable Mercedes Models
The OM651.921 engine is compatible with multiple Mercedes platforms, including (depending on configuration and emissions standard):
C-Class
E-Class
SLK-Class
GLK-Class
CLS-Class
ML-Class
Other models equipped with OM651.921 variants
Key Features & Benefits
Original Mercedes OM651.921 diesel engine
0 km – never installed or driven
Factory-tested by Mercedes-Benz
Complete unit with add-on components
High efficiency, durability, and low emissions
OEM reliability – no rebuild or overhaul history
This engine is ideal for buyers seeking a factory-fresh diesel replacement without the risks associated with rebuilt or used engines.
Installation & Coding
Professional installation recommended
ECU coding, immobilizer synchronization, and emissions adaptation may be required
Verify compatibility of sensors, turbocharger, and emissions components before installation
Why Choose an Original Mercedes Diesel Engine?
Factory-new reliability and longevity
Perfect integration with Mercedes electronics and drivetrain
Preserves vehicle performance, fuel efficiency, and resale value
Preferred choice for workshops and fleet operators








Michael Thompson (verified owner) –
Great engine with solid construction and dependable performance.
Anthony Clark (verified owner) –
This engine runs incredibly smooth and delivers excellent power. After installing it my vehicle feels stronger and more responsive than ever.
Ryan Wright (verified owner) –
This engine provides strong performance and great reliability. A perfect replacement option.
Charles Young (verified owner) –
The power delivery from this engine is very smooth and consistent.
Eric Carter (verified owner) –
The quality of this engine is outstanding and it was easy to install.
Dylan Rogers (verified owner) –
This engine provides great power and excellent fuel efficiency.
Joseph Allen (verified owner) –
This engine is very well built and performs consistently well.
Eric Carter (verified owner) –
After installing this engine my car runs better than it ever did before. The power and smoothness are noticeable.
Zachary Campbell (verified owner) –
Very dependable engine. It performs well both in city driving and on the highway.
Nathan Perez (verified owner) –
I’m extremely satisfied with the power and efficiency of this engine.