OM642 Engine Long Block
3.0T diesel engine for Mercedes-Benz
A brand-new replacement long block, shipped worldwide by NANXI POWER from Zhengzhou, China.
- V6, common rail direct injection
- 3.0T
- at 3600 rpm
- 195 kW
- at 1600–2400 rpm
- 620 N·m
- Condition
- Brand new
- Warranty
- 6 months
- Minimum order
- 1 unit
- Lead time
- 7–30 days
Fits C-Class (W203/W204), E-Class (W211/W212/W213), S-Class (W221/W222), CLS-Class (W219/W218), CLK-Class (W209) and R-Class (W251) and more, 2005–2022
Or email info@nanxipower.com
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What is the OM642 engine?
The OM642 is a 3.0T diesel engine used by Mercedes-Benz: a turbocharged V6 with common rail direct injection, a timing chain and an aluminium with cast-iron liners block.
NANXI POWER supplies it as a brand-new long block — the core engine you install with your existing intake, fuel and electrical parts.
- Compression ratio
- 18.0
- Bore × stroke
- 83 × 92 mm
- Timing drive
- Timing chain
- Emission standard
- Euro VI
Technical specifications
Engine
- Engine code
- OM642
- Brand
- Mercedes-Benz
- Displacement
- 3.0T
- Layout
- V-type 6-cylinder engine
- Drive
- Rear-wheel Drive, All-wheel Drive
- Max power
- 195 kW at 3600 rpm
- Max torque
- 620 N·m at 1600–2400 rpm
- Bore × stroke
- 83 × 92 mm
- Compression ratio
- 18.0
Build and supply
- Fuel
- Diesel
- Fuel system
- Common Rail Direct Injection
- Aspiration
- Turbocharged
- Timing
- Timing Chain System
- Cylinder block
- Aluminum alloy cylinder block with cast iron liners
- Cylinder head
- Aluminum Cylinder Head
- Cooling
- Water-Cooled
- Emission standard
- Euro VI
- Production years
- 2005–2022
- Condition
- Brand new
- Supply form
- Engine long block
- Packing
- Non-fumigation wooden box
Which vehicles use the OM642?
The OM642 was fitted to these vehicles (2005–2022). Versions differ by market, so we check every order against your VIN before it ships.
- Mercedes-BenzC-Class (W203/W204)
- Mercedes-BenzE-Class (W211/W212/W213)
- Mercedes-BenzS-Class (W221/W222)
- Mercedes-BenzCLS-Class (W219/W218)
- Mercedes-BenzCLK-Class (W209)
- Mercedes-BenzR-Class (W251)
- Mercedes-BenzG-Class (W461/W463)
- Mercedes-BenzM-Class/ML-Class (W164/W166)
- Mercedes-BenzGL-Class (X164/X166)
- Mercedes-BenzGLE-Class (W166/C292)
- Mercedes-BenzGLS-Class (X166)
- Mercedes-BenzGLK-Class (X204)
Confirm the fit in three steps
- Check the engine codeFind "OM642" stamped on the cylinder block or shown on the engine label.
- Send your VINThe 17-digit VIN tells us the model year and market version of your vehicle.
- Add a few photosPhotos of the old engine's front, intake side and oil pan help us match mounts and connectors.
What's included in the long block
Included
- Cylinder block
- Crankshaft
- Pistons
- Connecting rods
- Cylinder head
- Valve train
- Timing system
- Valve cover
- Oil pan
Available on request
- Intake and exhaust manifolds
- Fuel injection pump and injectors
- Turbocharger and intercooler pipes
- Glow plugs and sensors
- Alternator, starter and A/C compressor
- Gasket and installation kit
Need more than a long block? List the parts in your inquiry and we will quote them together.
Tested before it ships
6 month warranty
Every OM642 is fully inspected before shipment and covered by a 6-month warranty written into your order. Before your engine leaves, you can ask for photos of:
- The OM642 engine code on the block
- Cylinder head and timing cover
- Oil pan and gearbox interface
- Final packing in the wooden case
- Engines inspected before shipment
- 100%
- Engineering drawings
- 288+
- Key fit clearances checked
- 155+
- Process standards
- 637+
Packed for export, shipped worldwide
Each long block is sealed, fixed to a pallet and packed in a non-fumigation wooden case, so it clears customs without extra treatment. NANXI POWER branded or neutral packing is available.
- Lead time
- 7–30 days
- Minimum order
- 1 unit
- Freight
- Sea, air or land
- Trade terms
- EXW, FOB, CIF, DDP
- Documents
- Invoice and packing list
Common questions
Which vehicles use the OM642 engine?
The OM642 is used in the C-Class (W203/W204), E-Class (W211/W212/W213), S-Class (W221/W222), CLS-Class (W219/W218), CLK-Class (W209), R-Class (W251), G-Class (W461/W463) and M-Class/ML-Class (W164/W166), produced 2005 to 2022. Versions differ by market, so send your VIN and we will check the exact version for your vehicle.
What are the main specifications of the OM642?
3.0T diesel, V6, 195 kW at 3600 rpm, 620 N·m at 1600–2400 rpm, timing chain, common rail direct injection.
Is the OM642 long block brand new or remanufactured?
It is supplied brand new. Every engine is inspected before shipment, and you can ask for photos before it leaves.
Is this OM642 a complete engine or a long block?
It is a long block: the assembled cylinder block and cylinder head with the crankshaft, pistons, connecting rods, valve train and timing system. Intake, fuel-system and electrical parts can be added to your quotation.
What warranty comes with the OM642 long block?
6 months. Coverage and conditions are written into your order.
Do I need to replace the timing chain when installing?
No. The long block is supplied with its timing chain already fitted. Fit new gaskets and check the cooling and fuel connections when you install it.
Can I order one engine, and how long does delivery take?
Yes, the minimum order is one unit. Orders usually ship within 7 to 30 days depending on quantity.
Which trade terms do you offer?
EXW, FOB, CIF and DDP. Tell us your destination port or address and we will quote the terms that suit your order.
About NANXI POWER
Zhengzhou Nanxi Engine Co., Ltd. has been in the engine business since 1998, supplying brand-new and remanufactured engines and long blocks to buyers in Russia, Central Asia, Africa, the Middle East, Europe and the Americas.
- In the engine business since
- 1998
- Engines supplied each year
- 50,000+
Get a quote for the OM642
Tell us the quantity and destination. Add your VIN if you would like us to confirm the fit.
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