Mercedes W204 C200 C220 C 200 220 CDI Bare Engine OM 646.811 646811 WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Mercedes W204 C200 C220 C 200 220 CDI Bare Engine OM 646.811 is a used powertrain unit from the Mercedes diesel engine family, designed for the C-Class W204 series models. This is an excellent option for users looking for a proven, four-cylinder diesel engine with a modern design, which will allow for effective repair or replacement of an existing engine while maintaining factory performance characteristics.

Specifications and technical data

• SKU: A6460107044
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6460107044
• Substitutable numbers: A6460107044, A 646 010 70 44, A6460108898, A 646 010 88 98, A6460108398, A 646 010 83 98, A6460108498, A 646 010 84 98
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 99 000

Technical specifications of the OM 646.811 engine

The OM 646.811 engine belongs to the family of four-cylinder diesel units from Mercedes, designed for economical yet dynamic driving. The design, based on four cylinders, ensures a good balance between smooth operation and ease of maintenance. The use of a Diesel fuel system allows for favorable fuel consumption while maintaining adequate flexibility across the entire rev range.

This unit is highly favored by workshops specializing in the Mercedes brand due to its proven construction, availability of accessories, and the ability to seamlessly fit into the factory installation of C W204 models in the 200 and 220 CDI versions.

Purpose and application in the Mercedes C W204

Mercedes W204 C200 C220 C 200 220 CDI Bare Engine OM 646.811 has been developed for installation in compact C-Class sedans, where a combination of durability and everyday functionality is essential. The unit will perform well both in cars used mainly for long-distance travel and in vehicles operated in a mixed cycle, ensuring stable operating parameters and predictable behavior under load.

The engine is suitable for users who expect:

• preservation of the vehicle's original driving characteristics,
• compatibility with factory control systems and accessories,
• the possibility of further, long-distance operation with proper maintenance.

Condition, mileage, and operational potential

The offered unit comes from the Engines category and is a used component, which is important for informed customers looking for a reasonable compromise between repair costs and functionality. The declared mileage allows for an assessment of the potential for further operation, assuming regular maintenance, oil changes, and the use of appropriate quality fuel.

An engine of this type, with proper operation and servicing, is capable of providing stable performance for years to come, making it an attractive choice for workshops and individual users planning a comprehensive repair of the powertrain in their Mercedes C-Class.

Benefits of choosing the OM 646.811 unit

Choosing this powertrain unit primarily offers the possibility of maintaining consistency with the vehicle's factory specifications. The engine from the OM 646 family is well-known in the service environment, which facilitates diagnostics, the selection of accessories, and subsequent maintenance. An additional advantage is the proven diesel construction, which, with proper operation, ensures favorable fuel consumption and predictable maintenance costs.

The four-cylinder unit is also advantageous in terms of weight and load distribution in the engine bay, which translates into proper vehicle handling and easier service access to key components.

Mercedes engines – additional possibilities and technical knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as blocks, cylinder heads, or complete powertrain units, check out the available parts in the Mercedes Engines category.

For users interested in a broader context regarding the failure rates of powertrain units in premium cars, an article describing typical problems with diesel units in another popular D-segment model may be helpful – check out the material Faulty BMW E90 engines: check what can ruin your budget! to better understand what to look for when choosing and operating an engine.

If you want to deepen your knowledge on how to care for accessories and accompanying systems in Mercedes C and E-Class units, it is also worth reaching for the guide Reliability under the star sign – how to take care of engine accessories in popular Mercedes-Benz C and E-Class models?, which will help optimize service maintenance and extend the life of the powertrain.