Mercedes-Benz OM646.980 2.2 CDI Engine

Mercedes-Benz OM646 Engine Overview

The Mercedes-Benz OM646 Engine is a genuine OEM 2.2 CDI turbo diesel engine designed for dependable daily driving, fuel-efficient operation, and long-term durability in compatible Mercedes-Benz sedans and vans.

Engine code OM646 DE 22 LA (646.980) identifies this complete long block diesel engine as a reliable replacement solution for worn or damaged factory engines while maintaining original Mercedes-Benz drivability and compatibility.

With approximately 165,000 km (102,526 miles), this OEM diesel engine remains a dependable and economical choice for professional workshops, fleet operators, and vehicle owners seeking reliable replacement performance.

Built to Mercedes-Benz factory engineering standards, the OM646 diesel platform delivers smooth operation, dependable fuel economy, and durable long-distance reliability.

Reliable and Fuel-Efficient 4-Cylinder Diesel Engine for Direct Replacement in E-Class and Vito Models.

This listing is for a used, original Mercedes-Benz OM646.980 2.2L inline-4 turbo diesel engine, rated at 110 kW (150 horsepower). With a recorded mileage of approximately 165,000 km (102,526 miles), this complete long block assembly offers a proven, economical solution for replacing a worn or failed engine in compatible Mercedes-Benz sedans and vans. It is an ideal core for a straightforward swap in professional workshops.

Features & Specifications

• Part Type: Complete long block engine assembly

• Engine Code: OM646 DE 22 LA (646.980)

• Displacement: 2.2L I4 Turbo Diesel

• Power Output: 110 kW / 150 HP

• Fuel Type: Diesel

• Condition: Used, complete long block

• Mileage: Approx. 165,000 km / 102,526 miles

• Brand: Genuine Mercedes-Benz OEM

• Installation Type: Engine replacement

• Factory Mercedes-Benz diesel configuration

• OEM compatibility and fitment

Product Overview & Core Specifications

• Engine Code: OM646 DE 22 LA (646.980)

• Displacement: 2.2L I4 Turbo Diesel

• Power Output: 110 kW / 150 HP

• Mileage: ~165,000 km (~102,526 mi)

• Condition: Used, Complete Long Block

• Brand: Genuine Mercedes-Benz

Primary Vehicle Compatibility

This OM646.980 engine is a direct-fit replacement for key models. You must verify compatibility using your vehicle’s VIN or original engine code.

• Target Applications (Model years circa 2002-2006):

  • Mercedes-Benz E-Class (W211) E220 CDI

  • Mercedes-Benz Vito (W639) 2.2 CDI 111 / 115

  • Mercedes-Benz Viano (W639) 2.2 CDI

  • Mercedes-Benz Sprinter (904/NCV3) with OM646 engine – Critical verification required.

What’s Included & Condition Notes

This is a complete long block sold in “as-removed” condition. It includes the engine block, cylinder head, crankshaft, pistons, valve train, oil pan, valve cover, and timing case as visibly present in the seller’s photographs. The unit is described as operational upon removal but is sold untested and without warranty unless explicitly stated otherwise. A thorough inspection upon receipt is highly advised.

Critical Installation & Buyer Advisory

 Professional Installation and Pre-Purchase Verification are Essential.

• Ancillaries NOT Included: This is the core engine. You must transfer all ancillary components from your original engine, including:

  • Turbocharger & Exhaust Manifold

  • Fuel Injectors, High-Pressure Pump, and Common Rail

  • Engine Control Unit (ECU) & Complete Wiring Harness

  • All Sensors (coolant temp, crank position, etc.)

  • Alternator, A/C Compressor, Starter Motor, and Mounts

• Electronic Integration: The vehicle’s original ECU must be used and will likely require coding/adaptation via Mercedes-Benz diagnostic systems (e.g., DAS/XENTRY) for proper operation.

• Mandatory Verification: Contact the seller before purchasing. Provide your vehicle’s VIN and original engine number to confirm exact compatibility regarding mounting points, sensor types, and emission configuration. Request detailed, current photos of the actual engine.

Why It’s a Smart Choice

The Mercedes-Benz OM646 Engine is an excellent replacement solution for customers seeking dependable OEM diesel performance, direct-fit compatibility, and long-lasting reliability.

Benefits include:

• Genuine Mercedes-Benz OEM engineering

• Fuel-efficient 2.2 CDI diesel operation

• Direct replacement compatibility

• Durable turbo diesel construction

• Smooth daily driving performance

• Reduced installation complications

• Long-term diesel reliability

• Maintains original factory specifications

Unlike low-quality aftermarket alternatives, this genuine OM646 diesel engine preserves original Mercedes-Benz drivability, electronics compatibility, and fuel efficiency standards.

Performance & Efficiency

The Mercedes-Benz OM646 Engine delivers dependable diesel performance, strong torque response, and efficient fuel economy for commercial and everyday driving applications.

Performance highlights include:

• Reliable 150 HP diesel performance

• Smooth turbo diesel power delivery

• Strong low-end torque response

• OEM fuel efficiency standards

• Excellent long-distance drivability

• Durable commercial vehicle operation

• Mercedes-Benz drivetrain compatibility

• Optimized daily driving performance

The OM646 diesel platform is respected for combining efficiency, durability, and dependable long-term operation.

Reliability & OEM Engineering

This genuine Mercedes-Benz OM646 Engine is manufactured to OEM standards to ensure reliable operation, factory fitment, and dependable long-term service life.

The engine offers:

• OEM factory quality standards

• Durable diesel engine internals

• Smooth operational reliability

• Factory drivetrain compatibility

• Reduced installation complexity

• Long-term drivability

• Proven Mercedes-Benz engineering

• Reliable workshop-ready performance

Perfect for:

• Mercedes-Benz engine replacements

• OM646 restoration projects

• Commercial van repairs

• OEM drivetrain replacements

• Professional workshop installations

• Daily-use vehicle maintenance

Delivery & Warranty

• Genuine Mercedes-Benz OEM engine assembly

• Professionally inspected before dispatch

• Secure packaging for transportation

• Ready for professional installation

• Reliable OEM replacement solution

• International shipping available

• Complete engine supplied as shown

• Long-lasting diesel engine durability

Additional Information

The Mercedes-Benz OM646 Engine is designed for workshops, fleet operators, and Mercedes-Benz owners seeking authentic OEM diesel reliability and factory compatibility.

Its 2.2 CDI turbo diesel configuration delivers dependable fuel economy, strong torque performance, and smooth power delivery while maintaining original Mercedes-Benz engineering standards.

Whether replacing a failed engine, maintaining commercial vehicle reliability, or restoring OEM factory performance, this genuine OM646 diesel engine provides trusted Mercedes-Benz quality and dependable long-term value.

👉 Check compatibility before purchase: https://carenginesales.com/how-to-know-if-an-engine-fits-your-car-complete-compatibility-guide/

👉Learn more about Mercedes Engines performance and specifications: https://www.mercedes-benz.com/Cars