Mercedes C209 CLK 220 CDI Complete Engine 646966 646.966 with 82k miles WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

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

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Mercedes C209 CLK 220 CDI Complete Engine 646966 646.966 with 82k miles WARRANTY is a complete powertrain from the Mercedes diesel engine family, designed for CLK C209 diesel models. This is a solution for users looking for a proven, factory-spec engine with stable operating parameters and a modern four-cylinder design. Thanks to its relatively low mileage, this unit serves as an attractive base for professional repair or engine replacement in your vehicle.

Specifications and technical data

• SKU: A6460106347-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6460106347
• Substitutable numbers: A6460106347, A 646 010 63 47
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the powertrain

The presented engine belongs to the Engines category and was designed as a four-cylinder diesel unit for the Mercedes CLK C209 in the 220 CDI version. The cylinder layout ensures a good balance between refinement and fuel economy, which translates into predictable vehicle behavior both in city traffic and at higher speeds. The use of diesel fuel allows for favorable torque at low and medium RPMs, which is particularly important in daily operation.

The engine was built with durability and resistance to the loads typical of Mercedes diesel units in mind. The four cylinders operate in an optimized layout that facilitates maintenance and diagnostics, while also ensuring good availability of spare and service parts on the secondary market.

Application and compatibility with Mercedes C209 CLK 220 CDI

This powertrain is intended for installation in the Mercedes C209 CLK 220 CDI model, which means full structural compatibility with the factory engine bay, mounts, and accessories intended for this version. As a result, replacing a damaged engine with this unit is a straightforward process, without the need for unusual mechanical modifications.

The diesel engine in this configuration is suitable for both daily-driven cars and vehicles undergoing restoration or being returned to factory-like condition. For workshops specializing in the Mercedes brand, this is a practical base for professional powertrain repair, allowing for the preservation of the vehicle's original specifications.

Condition, mileage, and benefits of installing a used engine

The offered unit is in Used condition, meaning it has been previously operated but is still suitable for further use after proper installation and standard service maintenance. The declared engine mileage is relatively low for a diesel unit, which increases its operational potential and makes it an interesting alternative to rebuilding heavily worn engines.

Choosing a used engine for the Mercedes CLK 220 CDI allows for reduced repair costs compared to purchasing a brand-new unit, while maintaining the original operating characteristics. For the user, this means the ability to restore vehicle performance within a reasonable budget, and for the workshop – a proven service solution that can be effectively integrated into the repair process.

Why choose a Mercedes diesel engine for the CLK C209

Mercedes diesel engines from this series are valued for their stable performance over high mileages, good availability of spare parts, and the extensive experience of workshops in servicing them. The four-cylinder design provides a favorable compromise between performance and fuel consumption, which translates into predictable operating costs. Additionally, using this unit in the CLK 220 CDI model allows for consistency with the vehicle's factory configuration, which is important both from a technical standpoint and for the car's potential future resale value.

For owners and mechanics, this means easier diagnostics, access to service documentation, and the ability to leverage the experience gained over years of operating this engine series. It is a practical solution for those who expect predictable drivetrain behavior and want to avoid experimenting with units of uncertain compatibility.

Expanding knowledge and selecting the right powertrains

If you want to better understand how the choice of a specific powertrain affects car maintenance costs and are interested in a comparison with other popular models, it is worth checking out the guide on our blog: Troublesome BMW E90 engines – a practical guide to problematic units. This will allow you to consciously assess how important choosing the right engine is when planning the long-term operation of your car.

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