Mercedes W207 C207 E400 Complete Engine 276850 276.850 333HP 89k 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 W207 C207 E400 Complete Engine 276850 276.850 333HP 89k miles, WARRANTY is a petrol V6 power unit designed for E-Class coupe and cabriolet models. This complete engine with the M276 series code ensures smooth, dynamic performance and the refinement characteristic of the Mercedes brand, serving as a solid foundation for professional repair or powertrain replacement.

Specifications and technical data

• SKU: A2760108312-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2760108312
• Substitutable numbers: A2760108312, A 276 010 83 12
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: 276850
• Mileage: 89 000

Engine technical specifications

The presented engine belongs to a modern family of V6 petrol units, designed for high efficiency and operational refinement. The V6 configuration ensures even power delivery, low vibration, and good flexibility across the entire rev range. The unit was developed specifically for E-Class models, which guarantees proper integration with the drivetrain and vehicle electronics.

The engine runs on petrol, which, combined with an advanced fuel supply and control system design, enables high power output while maintaining reasonable fuel consumption. The use of six cylinders promotes smooth acceleration as well as comfortable driving at higher highway speeds.

Application in Mercedes W207 / C207 E400

The unit is intended for installation in Mercedes W207 and C207 E400 models, ensuring it works perfectly with the factory wiring harnesses, control units, and accessories specific to this series. The correct engine code allows for precise matching to the specific body version and equipment, which reduces the risk of adaptation issues.

A complete engine is a particularly beneficial solution in situations where the existing unit has suffered serious mechanical damage or an economically unviable failure. Using a complete powertrain shortens repair time, simplifies the installation process, and reduces the number of components that need to be sourced or transferred separately.

Condition, mileage, and benefits of purchasing a used engine

The offered unit comes from the Engines category and is a used component, which allows for a significant reduction in repair costs compared to a brand-new powertrain. The declared engine mileage is important information when assessing the potential for further operation – lower mileage usually means less wear on internal components and greater durability reserves.

Purchasing a used engine is a solution often chosen by workshops specializing in the Mercedes brand and informed users looking for a reasonable compromise between price and functionality. A properly selected unit, consistent with factory markings, allows for the restoration of full vehicle performance without the need for a costly rebuild of the old powertrain.

To better understand the advantages of such a solution, it is worth reading an expert guide discussing facts and myths about the secondary market – it is described in detail in the article Why it is worth buying used gearboxes and engines – facts instead of myths, where you will find, among other things, information on selection by factory numbers and cost analysis.

Selection, installation, and service recommendations

Before installation, standard preparatory steps typical for a professional powertrain replacement are recommended, such as verifying seals, checking external accessories, and replacing consumables in accordance with manufacturer procedures. Proper matching of the engine to the specific vehicle version should be confirmed each time by a mechanic or technical advisor, using catalog data and factory markings.

If you want to prepare for the installation of a used powertrain step-by-step, pay attention to practical tips regarding checking the unit before installation – a detailed discussion of key stages can be found in the guide Buying a used engine: 5 things you must check before installation, which describes, among other things, technical condition verification and the cost-effectiveness of a potential overhaul.

Expanding repairs within the powertrain system

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 complete power units, engine blocks, or engine accessories, check out the available parts in the Mercedes Engines category.