Genuine Mercedes-Benz OM642 3.0 CDI V6 Diesel Engine

Mercedes-Benz OM642 Engine Overview

The Mercedes-Benz OM642 Engine is a genuine OEM turbo diesel power unit engineered for dependable torque delivery, smooth operation, and long-term durability. Engine code OM642 LS DE 30 LA (642.990) identifies this complete V6 diesel engine as a reliable replacement solution for compatible Mercedes-Benz vans and SUVs.

This complete long block assembly was removed from a 2009 Mercedes-Benz Vito/Viano W639 donor vehicle and has approximately 139,601 km (86,744 miles). The engine remains an excellent option for professional workshops, restoration projects, commercial vehicle repairs, and OEM drivetrain replacements.

Built to Mercedes-Benz engineering standards, the OM642 3.0 CDI diesel platform delivers reliable fuel efficiency, strong diesel performance, and durable long-distance drivability.

A Complete, Direct Replacement OM642 EURO 4 Diesel Engine for Your Commercial Van or Passenger Carrier.

This listing is for a complete, original Mercedes-Benz OM642 V6 turbo diesel engine, identification 642.990, rated at 204 horsepower and compliant with EURO 4 emissions standards. Removed from a 2009 Mercedes-Benz Vito/Viano (W639) with 139,601 km (86,744 miles), this fully assembled long block provides a comprehensive solution for engine failure in a wide range of compatible Mercedes-Benz vans and SUVs. Avoid the high cost of a new engine or complex rebuild with this proven, durable power unit.

Features & Specifications

• Part Type: Complete long block engine assembly

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

• Engine Configuration: 3.0L V6 Turbo Diesel

• Power Output: 204 HP (150 kW)

• Emissions Standard: EURO 4

• Fuel Type: Diesel

• Condition: Used complete engine assembly

• Mileage: Approx. 139,601 km / 86,744 miles

• Year of Manufacture: 2009

• Source Vehicle: Mercedes-Benz Vito/Viano W639

• Manufacturer: Mercedes-Benz OEM

• Installation Type: Engine replacement

• Factory Mercedes-Benz diesel configuration

• OEM compatibility and fitment

Product Overview & Core Specifications

This is a used, complete OEM engine assembly in “as-removed” condition. It is a direct-fit solution for workshops and professional installers needing a complete core for a vehicle repair.

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

• Displacement: 3.0L V6 Turbo Diesel

• Power Output: 204 HP (150 kW)

• Emissions Standard: EURO 4

• Mileage: 139,601 km / ~86,744 mi (on odometer at removal)

• Year of Manufacture: 2009

• Source Vehicle: Mercedes-Benz Vito/Viano (W639 Platform)

• Condition: Used, Complete Long Block Assembly

What’s Included (Core Assembly)

This listing includes the complete engine long block as removed from the donor vehicle. This typically encompasses:

• Engine block, cylinder heads, and internal components (crankshaft, pistons, rods, camshafts).

• Oil pan, valve covers, and timing case.

• Intake manifold and associated engine-mounted brackets/pulleys as visibly present in photographs.

Primary Vehicle Applications & Compatibility

This OM642.990 (EURO 4) engine is a direct fit for numerous Mercedes-Benz models. VERIFICATION USING YOUR ORIGINAL ENGINE DATA OR VIN IS ABSOLUTELY ESSENTIAL.

• Target Applications (Model years circa 2006-2010):

  • 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 (Critical verification required for mounting points and ancillaries)

  • Mercedes-Benz ML 320 CDI (W164)

  • Mercedes-Benz GL 320 CDI (X164)

Critical Buyer Advisory & Installation Notes

 Professional Installation & Pre-Purchase Verification Mandatory.

• Condition & Testing: Sold as-is, untested, in “as-removed” condition. A professional inspection prior to purchase or upon receipt is strongly recommended.

• Core Component: Ideal for use as a direct replacement core or for a professional rebuild. All ancillary components from your original engine must be transferred.

• Ancillaries NOT Included (Typically): Engine Control Module (ECU), turbocharger, fuel injectors, high-pressure pump, alternator, A/C compressor, starter motor, wiring harness, sensors (unless mounted on block), and exhaust manifolds. Confirm exact contents via provided photos.

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

• VIN Verification is REQUIRED: Contact us before ordering. You must provide your vehicle’s VIN and original engine number to confirm compatibility of engine mounts, auxiliary drive, sensor types, and emission control hardware.

Why It’s a Smart Choice

The Mercedes-Benz OM642 Engine is an excellent replacement solution for customers seeking dependable OEM diesel performance, factory compatibility, and durable long-term reliability.

Benefits include:

• Genuine Mercedes-Benz OEM engineering

• Reliable V6 turbo diesel performance

• Strong low-end torque delivery

• Direct replacement compatibility

• Smooth long-distance drivability

• Durable diesel engine construction

• Reduced installation complications

• Maintains original Mercedes-Benz specifications

Unlike low-quality aftermarket alternatives, this genuine OM642 diesel engine preserves factory drivability, electronics compatibility, and OEM fuel efficiency.

Performance & Efficiency

The Mercedes-Benz OM642 Engine delivers dependable turbo diesel performance, smooth acceleration, and efficient fuel economy for both commercial and passenger vehicle applications.

Performance highlights include:

• Reliable 204 HP diesel performance

• Smooth turbocharged acceleration

• Strong low-end torque response

• OEM diesel fuel efficiency

• Excellent highway driving capability

• Durable long-distance operation

• Mercedes-Benz drivetrain compatibility

• Optimized V6 diesel drivability

The OM642 diesel platform is highly respected for combining durability, performance, and dependable long-term operation.

Reliability & OEM Engineering

This genuine Mercedes-Benz OM642 Engine is manufactured to OEM standards to ensure dependable operation, precise fitment, and long service life.

The engine offers:

• OEM factory quality standards

• Durable turbo diesel engine internals

• Smooth operational reliability

• Factory drivetrain compatibility

• Reduced installation complexity

• Long-term diesel durability

• Proven Mercedes-Benz engineering

• Reliable commercial vehicle performance

Perfect for:

• Mercedes-Benz diesel engine replacements

• OM642 restoration projects

• W639 Vito/Viano repairs

• OEM drivetrain replacements

• Professional workshop installations

• Long-distance driving vehicles

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 reliability

Additional Information

The Mercedes-Benz OM642 Engine is designed for workshops, diesel specialists, and commercial vehicle owners seeking authentic Mercedes-Benz OEM turbo diesel reliability and performance.

Its 3.0L V6 turbo diesel configuration delivers dependable fuel economy, strong torque performance, and smooth power delivery while maintaining original Mercedes-Benz engineering standards.

Whether replacing a damaged engine, restoring a W639 Vito/Viano, or maintaining OEM drivetrain specifications, this genuine OM642 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