Mercedes GLC X253 W213 C238 Complete Engine 642873 642.873 258HP 89k, 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 GLC X253 W213 C238 Complete Engine 642873 642.873 258HP is a complete powertrain unit from the V6 family, designed for modern mid-size and premium Mercedes diesel models. The unit serves as a solid foundation for professional repair or engine replacement, ensuring consistency with the factory vehicle architecture and predictable operating parameters.

Specifications and technical data

• SKU: A6420109007-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420109007
• Substitutable numbers: A6420109007, A 642 010 90 07
• Fuel type: Diesel
• Number of cylinders: 6
• Part type: Complete Assembly
• Category: Engines
• Engine code: 642873 642.873
• Mileage: 89 000

Technical characteristics of the powertrain unit

The presented engine belongs to the Engines category and represents a modern V6 diesel design, optimized for efficiency and refinement. The use of six cylinders promotes even torque delivery, which translates into smooth acceleration and stable operation across the entire rev range. The unit is adapted for diesel fuel, allowing for a favorable balance between dynamics and fuel consumption. The engine has been designed to work with advanced Mercedes control electronics, ensuring compatibility with factory vehicle systems – from safety systems to comfort features. The engine code allows for precise identification of the unit in service catalogs and facilitates the selection of auxiliary equipment and accessories.

Application in Mercedes GLC, E-Class, and E-Class Coupe models

The complete engine is intended for installation in Mercedes GLC X253 series vehicles, as well as E-Class W213 and E-Class Coupe C238 models. This means that it structurally meets the requirements of these platforms in terms of mounting, fuel system, cooling, and integration with the electrical installation. For the user, this means the possibility of restoring factory driving characteristics without the need for compromise solutions. The 258HP unit provides clearly dynamic acceleration, especially when combined with the automatic transmissions used in these models. This power level is typical for modern premium-class diesel engines, combining flexibility with reasonable fuel consumption on the highway and in city traffic.

Condition, mileage, and benefits of choosing a used engine

The engine comes from the secondary market and has documented mileage, which allows for a realistic assessment of its service history. For the conscious user, this means the possibility of obtaining a full-value powertrain unit at a significantly lower cost than a brand-new component. A used OEM engine retains the manufacturer's original specifications, which is particularly important for premium-class cars where compliance with factory standards is essential. Choosing a complete engine instead of repairing extensive damage to the existing unit often shortens vehicle downtime and simplifies the service process. The mechanic receives a coherent powertrain unit that, after proper installation and controller configuration, can be quickly started and verified on a diagnostic stand.

Why choose a complete OEM engine

A complete OEM engine for Mercedes ensures the preservation of factory operating characteristics, which translates into predictable performance, correct operation of driver assistance systems, and no issues with electronic integration. This is particularly important in modern designs, where the powertrain is closely linked to control modules, the drivetrain, and safety systems. An additional advantage is the ability to verify compatibility using catalog numbers and the engine code, which facilitates the selection of the appropriate unit for a specific equipment version. In case of doubts regarding the cost-effectiveness of purchasing a used engine and the procedures for selection by identification numbers, it is worth checking the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses this topic in detail.

Selection of other components from the Mercedes Engines group

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 engine accessories, check the available parts in the Mercedes Engines category.