Mercedes W206 S206 C 180 200 Bare Engine 254915 254.915 18k 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 W206 S206 C 180 200 Bare Engine 254915 254.915 18k miles, WARRANTY is a used, factory-original engine block from the diesel unit family, designed for modern C-Class models. This bare engine base provides a solid foundation for professional repair or a complete rebuild of the powertrain, allowing for the reuse of existing accessories and vehicle installations. It is an ideal solution for users and workshops seeking a technically matched component with specifications consistent with the original unit.

Specifications and technical data

• SKU: A2540105807
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2540105807
• Substitutable numbers: A2540105807, A 254 010 58 07
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: 254915
• Mileage: 18 000

Technical characteristics of the engine block

The presented engine block belongs to the Engines category and is designed for Mercedes vehicles from the W206/S206 series in C 180 and C 200 versions. The four-cylinder construction ensures a balanced compromise between refinement and efficiency, which is particularly important in daily use and on longer journeys. The unit is designed to work with a diesel fuel system, which translates into economical fuel consumption characteristics and high efficiency at low and medium RPMs.

A bare engine block means it serves as the base block with the cylinder head, prepared for the transfer of accessories from the previous engine. This solution is often chosen by professional service centers because it allows for maintaining the original configuration of accessories, controls, and covers, while simultaneously refreshing a key element of the powertrain. This helps optimize repair costs while maintaining high technical consistency with the vehicle's factory specifications.

Application in Mercedes W206 / S206 C 180 and C 200

Mercedes W206 S206 C 180 200 Bare Engine 254915 254.915 18k miles, WARRANTY is intended for use with modern control and drivetrain systems found in the current generation of the C-Class. The four-cylinder diesel construction fits well with the requirements of users expecting economical yet dynamic driving. Using a block with a matching engine code facilitates the adaptation process in the vehicle, minimizing the need for additional mechanical modifications.

This type of unit is particularly recommended in situations where the existing engine has suffered serious mechanical or thermal damage, and repairing the block or head would be uneconomical. Replacing it with a complete block allows for restoring the efficiency of the powertrain while retaining the existing fuel, intake, and exhaust systems, which is beneficial for both the user and the workshop performing the service.

Benefits of choosing a used engine block

Choosing a used block from the Engines category is a solution that allows for significant cost reduction compared to purchasing a brand-new unit, while maintaining high functionality. This type of component is particularly attractive for:

• workshops specializing in Mercedes vehicle repairs,
• users planning a comprehensive powertrain rebuild after a failure,
• individuals looking for a technically matched replacement for a specific engine version.

An additional advantage is the possibility of using existing accessories, which limits the number of parts requiring replacement and makes it easier to maintain the vehicle's original configuration. A used block also allows for shorter repair times compared to the long-term regeneration of a damaged block or head.

Professional fitment and service aspects

When selecting a block for a specific Mercedes vehicle, it is crucial to pay attention to the compatibility of the engine code, fuel type, and cylinder configuration. Proper matching ensures correct operation with the existing engine control unit, wiring harness, and fuel injection system. As a result, the installation process is smoother, and the risk of starting or diagnostic issues is minimized.

In the case of diesel units, it is also particularly important to properly prepare the block for installation: checking for leaks, properly preparing mating surfaces, using new seals, and correctly bleeding the system after assembly. This approach allows for fully utilizing the potential of the used component and ensuring stable engine operation in the long term.

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, heads, or complete power units, check out the available parts in the Mercedes Engines category.

Technical knowledge and safety of choice

When making a decision about replacing a power unit, it is worth knowing the typical design and operational problems of various engines to consciously choose a service solution. A good point of reference can be the analysis of experiences with other brands and models, where certain units proved to be more prone to failure. For example, in the case of popular premium segment models, such as the 3 Series, knowing the design weak points allows for a better assessment of the cost-effectiveness of repairing or replacing the entire engine.

If you want to expand your knowledge about typical failures of power units in premium cars and see how a wrong engine choice can affect your budget, it is worth reading the material: BMW E90 engine failures: check what can ruin your budget!