Mercedes SL R231 GLE W166 400 Complete Engine 276825 276.825 19k 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 SL R231 GLE W166 400 Complete Engine 276825 is a petrol V6 powertrain designed for high-end Mercedes models. The complete engine with the code 276825 provides a solid foundation for professional repair or replacement of the powertrain in vehicles of this series, ensuring structural consistency with the manufacturer's factory specifications.

Specifications and technical data

• SKU: A2760107212-1
• 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 unit

The presented engine belongs to the Engines category and is a V6 petrol construction, which translates into balanced refinement and good flexibility across the entire rev range. The cylinder layout promotes smooth power delivery, and the modern architecture of the 276825 unit has been designed for dynamic yet comfortable driving in Mercedes SL and GLE models.

A complete engine of this type is a particularly beneficial solution in situations where repairing the existing unit is no longer economically justified. Using a complete powertrain assembly helps reduce the risk of further failures resulting from mixing different generations of components.

Application in Mercedes SL R231 and GLE W166 400

The 276825 unit was developed for premium cars, such as the Mercedes SL R231 and GLE W166 in the 400 version, where adequate power reserve, thermal stability, and predictable behavior under load are key. The V6 petrol engine works well with the automatic transmissions used in these models, ensuring smooth acceleration and comfortable operation in daily use.

Thanks to its structural consistency with Mercedes factory solutions, installing this unit in dedicated models allows for maintaining the original driving characteristics without the need for compromises in terms of performance or refinement.

Benefits of choosing a complete used engine

A complete V6 engine is a solution that, in many cases, shortens repair time compared to an extensive overhaul of the existing unit. Instead of dismantling and diagnosing numerous components, the workshop can focus on the correct installation and configuration of the complete powertrain assembly.

• Structural consistency with Mercedes factory solutions.
• Reduction in the number of potential failure points compared to partial repair.
• Possibility of restoring full powertrain functionality in less time.
• A reasonable compromise between cost and durability compared to purchasing a new unit.

An additional advantage is the fact that we are dealing with a petrol unit, which for many users means simpler maintenance in the long term and the absence of typical problems characteristic of some diesel constructions.

Selection and compatibility verification

To correctly match this engine to a specific vehicle, it is crucial to compare the engine code and vehicle identification data. In workshop practice, this means verifying compliance with Mercedes technical documentation and catalog systems, which minimizes the risk of installation problems.

It is worth paying attention to:

• the compatibility of the engine code with the unit factory-installed in the given model,
• the type of auxiliary equipment used and its configuration in the vehicle,
• the manufacturer's requirements regarding engine control unit software after replacement.

Such an approach allows for professional preparation for installation, limiting unexpected vehicle downtime in the service center.

Mercedes engines – powertrain expansion and modernization

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

Substantive support and safety of choice

When making a decision to replace a powertrain, it is worth knowing the typical structural problems occurring in various brands and models. A good point of reference can be an analysis of the failure rates of other popular cars – for example, the article dedicated to the E90 series discusses how certain technical solutions affect operating costs. You can find more on this topic in the material Faulty BMW E90 engines: check what can ruin your budget!.

If you want to better understand why original used powertrain components are often a reasonable compromise between price and safety, the guide on OEM part quality will also be helpful: Quality guarantee and OEM safety – why are used original car parts the best choice for your car?.

Summary

Mercedes SL R231 GLE W166 400 Complete Engine 276825 is a proposal for users and workshops that expect a factory-compliant, V6 petrol unit for premium class models. Choosing a complete engine from this series allows for a controlled restoration of full powertrain efficiency, maintaining the driving characteristics intended by the manufacturer while simultaneously optimizing repair costs compared to purchasing a new unit.