Genuine Mercedes-Benz OM642.990 3.0 CDI V6 Turbo Diesel Engine – Complete Long Block

Direct Replacement Power Unit for Mercedes Vito, Viano & Sprinter Models.

For sale is a complete, original Mercedes-Benz OM642.990 3.0L V6 turbo diesel engine. This fully assembled long block is in very good used condition, offering a robust and cost-effective solution for engine replacement in a range of Mercedes-Benz commercial and SUV platforms. Ideal for professional workshops and fleet operators seeking reliable OEM performance.

Product Overview & Core Specifications

This is a complete, used OEM engine assembly. It is a direct-fit core designed to restore power and reliability to compatible vehicles following major engine failure or wear.

• Engine Code: OM642 LS DE 30 LA (642.990)

• Displacement: 3.0L V6 Turbo Diesel

• Condition: Used, Very Good – Complete Long Block

• Configuration: 90-Degree V6, DOHC, Common Rail Direct Injection

Primary Vehicle Applications & Compatibility

This OM642.990 engine is engineered for direct compatibility with key Mercedes-Benz models. Verification using your vehicle’s VIN or original engine number is essential to confirm fitment.

• Target Applications:

  • Mercedes-Benz Vito (W639) 3.0 CDI / 320 CDI

  • Mercedes-Benz Viano (W639) 3.0 CDI

  • Mercedes-Benz Sprinter (906/NCV3) 3.0 CDI V6 (Verify mounting points and ancillary connections)

  • May also suit Mercedes-Benz ML/GL 320 CDI (W164/X164) – confirm by VIN.

Key Details & What’s Included

• Core Assembly: Includes the complete engine block, cylinder heads, crankshaft, pistons, connecting rods, camshafts, and valve train.

• Attached Components: Includes oil pan, valve covers, timing case, intake manifold, and engine-mounted brackets as visibly present in the accompanying photographs.

• Condition Assessment: Described as in very good condition, indicating no known major faults, with expected wear consistent with mileage.

Critical Buyer Advisory & Installation Notes

 Professional Installation & Verification Required.
This is a major drivetrain component intended for professional use.

• Ancillaries NOT Included: This listing is for the complete long block core. The following critical components from your original engine must be inspected, refurbished as needed, and transferred:

  • Turbocharger & Exhaust Manifolds

  • Fuel Injectors & High-Pressure Pump

  • Engine Control Module (ECU) & Wiring Harness

  • All Sensors, Alternator, A/C Compressor, Starter Motor

  • Engine Mounts and Heat Shields

• Electronic Integration: The vehicle’s original ECU must be retained and will require adaptation/coding using Mercedes-Benz XENTRY/SD Connect diagnostic systems post-installation.

• Pre-Purchase Verification is Mandatory: Engine variants exist. Contact the seller before purchasing to provide your vehicle’s VIN and original engine number for compatibility confirmation and to request detailed, current photographs of the actual unit.