Mercedes W205 OM626 High Pressure Injection Fuel Pump A6260700101

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W205 OM626 High Pressure Injection Fuel Pump is an original, used high-pressure fuel pump from the High-pressure fuel pumps group, designed for the diesel fuel supply system in Mercedes C-Class W205 generation models with the OM626 engine. This OEM solution ensures proper pressure in the common rail, stable engine operation, and correct compatibility with the vehicle's factory electronics.

Specifications and technical data

• SKU: A6260700101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6260700101
• Substitutable numbers: A6260700101, A 626 070 01 01, 167002133R
• Category: High Pressure Fuel Pumps

Technical characteristics and application

The presented pump belongs to the High-pressure fuel pumps group, responsible for precise fuel compression and delivery to the fuel rail at the appropriate high pressure. The OEM design is adapted to the operating parameters of the OM626 engine, which translates into the correct fuel dosage, smooth engine operation, and proper functioning of emission control systems.

The pump is factory-designed to work with the Mercedes common rail system, ensuring compatibility with injection maps, engine control unit software, and factory pressure sensors. Using an original component reduces the risk of starting problems, power loss, or unstable idle speed.

Benefits of using an original high-pressure pump

Using an original high-pressure pump in a Mercedes W205 with an OM626 engine allows you to maintain the factory operating parameters of the fuel system. Compared to replacements, the OEM component ensures:

• consistency with the factory engine control unit software,
• correct pressure characteristics across the entire load range,
• better stability during cold and warm operation,
• lower risk of leaks and fuel system bleeding issues.

For workshops and users, this means a more predictable diagnostic process and easier maintenance of the engine in good operating condition. The original high-pressure pump is also a beneficial choice for professional fuel system regeneration when maintaining manufacturer specifications is a priority.

Condition, verification, and fitment

The pump is offered as a used OEM component, which allows for lower repair costs while maintaining the original design. Before installation, standard workshop procedures are recommended: checking for leaks, ensuring the cleanliness of fuel ports, and assessing the condition of mounting seats. Fitment for a specific vehicle should be confirmed by comparing catalog data, manufacturer markings, and engine configuration.

Thanks to the presence of the OEM part number and interchangeable numbers in the technical specification, matching the pump to a specific version of the Mercedes W205 with an OM626 engine is facilitated for both service centers and individual customers. This is particularly important when working with modern diesel units, where the compatibility of fuel system components has a direct impact on injector durability and the correct operation of the entire system.

Fuel system operation and technical knowledge

To maximize the potential of this pump and reduce the risk of premature wear, it is crucial to use high-quality fuel, regularly replace the fuel filter, and properly bleed the system after installation. Proper maintenance helps reduce mechanical and thermal loads on the pump, which translates into longer, stable operation of the entire injection system.

If you want to deepen your knowledge regarding the diagnostics and maintenance of the fuel supply system, methods for selecting components by OEM number, and regeneration principles, it is worth using expert materials – you will find practical tips in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, issues related to high-pressure pumps.

Repair expansion and related components

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 additional pumps, control elements, or power supply components, check the available parts in the Mercedes high-pressure fuel pumps category.

In situations where vehicle downtime in the workshop and the cost-effectiveness of repairs using original, used components are important, a guide on repair logistics may also be helpful – you can find more information in the material on the impact of the availability of used OEM parts on workshop repair time.