Mercedes W203 W209 C350 CLC350 Complete Engine 272960 272.960 3.5 V6 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 W209 C350 CLC350 Complete Engine is a used, petrol V6 engine block designed for C-Class and CLK-Class models. The bare block configuration provides a solid foundation for a professional engine rebuild, allowing for the transfer of accessories from your existing engine and precise adjustment to the specific vehicle configuration. This is an ideal solution for users and workshops looking for a technically verified base for repairing or upgrading the powertrain.

Specifications and technical data

• SKU: A2720102900-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720102900
• Substitutable numbers: A2720102900, A 272 010 29 00
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: 272960
• Mileage: 38 000

Technical characteristics of the engine block

The offered block belongs to the Engines category and is intended for six-cylinder V-type petrol units used in Mercedes C-Class and CLK-Class models. The V6 design ensures balanced operation, high refinement, and an adequate torque reserve, which translates into smooth acceleration and comfortable driving in daily use as well as under higher loads.

The bare block includes the main engine block with the cylinder assembly and serves as a foundation for further assembly of accessories. This configuration is particularly beneficial for post-accident repairs, overhauls, or conversions, where maintaining compliance with the manufacturer's original specifications and the ability to use existing auxiliary components is crucial.

Application in Mercedes C-Class and CLK-Class models

The unit was designed for use in Mercedes W203, CL203, and W209 vehicles in C 350 and CLC 350 versions. This means that the mounting geometry, spacing of connection points, and general engine architecture are matched to the factory solutions used in these bodies. As a result, the block can be used both for standard unit replacement and for more advanced modernization projects.

The engine from this family is frequently chosen by workshops specializing in the Mercedes brand due to its favorable combination of power, refinement, and relatively simple servicing compared to larger multi-cylinder units. Petrol operating characteristics promote smooth revving and good throttle response, which is important in both city and highway driving.

Benefits of choosing a used engine block

A used engine block is a solution that allows for a significant reduction in repair costs compared to purchasing a brand-new unit, while maintaining compliance with the original specifications. In practice, this means the possibility of:

• rebuilding the engine using existing accessories and vehicle wiring,
• maintaining the original powertrain configuration,
• flexible planning of the scope of repair work (e.g., replacing only selected auxiliary components),
• optimizing the repair budget while maintaining a high level of reliability.

In the case of this specific unit, an additional advantage is the low mileage of the engine, which translates into less wear on internal components and greater potential for further operation after proper installation and initial service (fluid and filter changes, leak checks).

Selection, installation, and service aspects

When selecting an engine block for a specific Mercedes vehicle, it is crucial to verify the compatibility of the engine code and vehicle configuration (e.g., model year, trim level, transmission type). It is recommended that the installation be carried out by a workshop with experience in working with V6 units of this brand, which minimizes the risk of installation errors and speeds up the startup process after replacement.

After installation, it is worth performing a full startup procedure, including checking oil pressure, cooling system tightness, and proper operation at idle and under load. Proper installation and the first few hundred kilometers of gentle driving have a significant impact on the future durability of the unit.

If you want to better understand how to safely and consciously choose used power units, selection procedures by VIN, and real cost differences compared to new parts, check out our guide: Why it is worth buying used gearboxes and engines – facts instead of myths. This is a practical supplement to your knowledge when planning a larger scope of work in the powertrain area.

Expansion and modernization of the Mercedes powertrain

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

This way of planning work – from selecting the right block, through proper installation, to potentially supplementing it with additional components – allows you to build a coherent, technically correct powertrain that will be prepared for further, predictable operation in demanding road conditions.