Mercedes W203 CL203 C 200 CDI Complete Engine 646963 OM646 646.963 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 W203 CL203 C 200 CDI Complete Engine is a factory-spec diesel unit from the CDI family, designed for the W203 and CL203 generation C-Class models. It offers a balanced combination of economical operation, durable construction, and performance characteristics ideal for daily use. Thanks to proven common rail injection technology, this engine serves as a solid foundation for professional repair or engine replacement.

Specifications and technical data

• SKU: A6460109244-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6460109244
• Substitutable numbers: A6460109244, A 646 010 92 44, A6460101346, A 646 010 13 46
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 53 000

Technical characteristics of the 200 CDI unit

The presented engine belongs to the Engines category and is a diesel construction developed by Mercedes for stable, long-term operation. The cylinder layout ensures smooth performance, while the modern diesel fuel supply system enables favorable fuel consumption while maintaining adequate dynamics.

The 200 CDI unit in the version used in the Mercedes W203 and CL203 is valued for its predictable behavior, resistance to high mileage, and ability to operate under a wide range of loads. It is a popular choice for both fleet and private vehicles, where parameter repeatability and ease of maintenance are key.

Application in Mercedes W203 / CL203

The engine was designed specifically for the C-Class W203 models and the CL203 coupe version with the 200 CDI designation. The appropriate configuration of accessories, mounting points, and fuel system ensures that the unit integrates well with the vehicle's factory installation, which facilitates the replacement process in a professional workshop.

Thanks to the fitment for a specific body platform, it is possible to maintain original driving characteristics, such as smooth acceleration, stable idle, and predictable load response. This is particularly important for repairs where the priority is to restore the vehicle to a factory-like state.

Benefits of choosing a used Mercedes Diesel engine

The Mercedes CDI diesel unit is a solution that allows for significant repair cost savings compared to purchasing a new engine. A used engine with preserved, moderate mileage offers the possibility of continued operation on a reasonable budget, especially when the vehicle is used intensively.

The main advantages of this type of solution include:

• Original Mercedes construction – full compatibility with factory mechanical and electronic solutions.
• Ability to use existing service infrastructure – workshops are well-acquainted with this engine family, which facilitates installation and diagnostics.
• High availability of service parts – filters, fuel system components, or accessories are widely available on the secondary market.
• A reasonable compromise between durability and repair costs – especially important for older vehicles.

Professional matching by numbers and parameters

The engine has an assigned OEM part number and corresponding interchangeable numbers, which allows for precise verification of compatibility with a specific vehicle equipment version. Combined with the Mercedes brand as the manufacturer and a unique warehouse identifier, it is possible to quickly check compatibility with a given car.

Before purchasing, it is worth comparing the vehicle data with the information in the technical specification to ensure that the offered engine matches the factory-installed version. This approach minimizes the risk of accessory incompatibility, differences in mounts, or different fuel system configurations.

Condition, mileage, and installation recommendations

The offered unit belongs to the group of used products, which in practice means it has already been in operation in a vehicle but is still suitable for further use after proper installation and basic initial service. The declared mileage allows for assessing the degree of wear in relation to the typical durability of this engine family.

During installation, standard service procedures are recommended, such as changing the oil and filters, checking the cooling system, and verifying accessories transferred from the old unit. An engine prepared in this way can provide stable, predictable performance in daily use, and proper maintenance will further extend its lifespan.

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 power units, check the available parts in the Mercedes Engines category.

To better understand the specifics of modern diesel units and the costs of potential repairs, it is worth reading the guide material regarding problematic engines in other brands, such as the article Emergency BMW E90 engines: check what can ruin your budget!, which helps to consciously approach the choice of the right power unit.