Mercedes SL R231 GLE W166 400 Bare Engine 276825 276.825 19k miles, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

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

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Mercedes SL R231 GLE W166 400 Bare Engine is an original, used petrol engine block designed for modern Mercedes SL and GLE class models. Thanks to its preserved factory construction and low mileage, it serves as a solid foundation for professional repair or replacement of the powertrain. This solution is intended for users who expect consistency with factory specifications and predictable performance parameters.

Specifications and technical data

• SKU: A2760107212
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2760107212
• Substitutable numbers: A2760107212, A 276 010 72 12
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Engine code: 276825
• Mileage: 19 000

Technical characteristics of the engine block

The presented engine block belongs to the Engines category and is designed for a six-cylinder V-type petrol unit. This configuration ensures smooth operation, good flexibility across the entire rev range, and the characteristic, powerful throttle response typical of the units used in the Mercedes SL R231 and GLE W166 400 models.

The engine from the 276825 code family is a modern construction, designed to combine efficiency with reasonable fuel consumption. A bare engine block means it serves as a base for further assembly of accessories according to the requirements of a specific vehicle configuration, which facilitates matching it to the existing installation in the car.

Purpose and application in Mercedes vehicles

This engine block is dedicated to Mercedes SL R231 generation and Mercedes GLE W166 generation models in the 400 variant, which use a V6 petrol unit. Thanks to the preservation of the original mounting architecture, it allows for the restoration of the factory powertrain without the need for interference with the body structure or subframes.

The engine as a bare block is particularly useful in situations where the existing unit has suffered mechanical or thermal damage, while the accessories (e.g., fuel, intake, or exhaust systems) remain in a condition suitable for further use. This allows for optimizing repair costs while maintaining a high-quality base component.

Benefits of choosing a used engine block

Choosing a used engine block with low mileage is a reasonable compromise between cost and durability. You receive a component that retains factory design parameters while allowing for significant cost savings compared to a new unit. Low usage translates into less wear on key internal components, which is important when planning long-term vehicle use.

An additional advantage is the ability to use existing accessories from your car, which facilitates maintaining compatibility with electronics, the fuel system, and the exhaust system. This repair method is often chosen by workshops specializing in the Mercedes brand because it allows for precise configuration matching to a specific car.

Selection by numbers and assembly aspects

To ensure proper compatibility, it is worth verifying the engine code and part numbers against vehicle documentation or service system data before purchase. This facilitates selecting the block for a specific equipment version and model year, minimizing the risk of assembly mismatches. If in doubt, it is recommended to consult a mechanic or technical advisor who will compare the unit's parameters with your car's data.

The process of installing a bare engine block requires standard workshop procedures: transferring accessories, properly preparing sealing surfaces, applying correct tightening torques, and performing electronic adaptations if required by the specific model. Properly performed installation allows for restoring full functionality of the powertrain.

Used engines – facts, myths, and purchase safety

Many users consider purchasing a used engine with concerns about durability and safety. In practice, with proper verification of origin and parameters, a used block can be an effective and technically sound solution. It is crucial to check compliance with vehicle documentation, assess the visual condition, and reliably prepare the unit for installation.

If you want to better understand how to professionally approach choosing a used engine, what VIN and OEM number selection procedures are used in the industry, and what the real cost proportions look like, check out our guide: Why it is worth buying used gearboxes and engines – facts instead of myths. This is a practical addition to your knowledge before making a purchase decision.

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