Mercedes C204 W204 High Pressure Fuel Pump Injection M276.957 A2760700101

Mercedes C204 W204 High Pressure Fuel Pump Injection M276.957 is an original fuel system component designed for the M276 petrol engine family. Thanks to its factory-engineered design, it ensures stable fuel pressure, proper injector operation, and safe engine performance. This is the ideal solution for users who expect consistency with factory specifications and want to avoid compatibility issues associated with aftermarket replacements.

Specifications and technical data

• SKU: A2760700101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2760700101
• Substitutable numbers: A2760700101, A 276 070 01 01, 0261520062, 0 261 520 062
• Part type: Fuel Injector Pump
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The high-pressure fuel pump in the M276.957 engine is responsible for increasing fuel pressure from the level generated by the low-pressure pump to the values required by the direct injection system. A properly functioning component of this class:

• ensures stable fuel supply to the fuel rail under varying engine loads,
• reduces the risk of power drops and hesitation during acceleration,
• supports the maintenance of the correct air-fuel mixture,
• indirectly influences exhaust emissions and engine refinement.

For Mercedes C-Class models of the C204 and W204 generations, using the correct high-pressure pump is crucial for maintaining engine performance parameters in accordance with the manufacturer's specifications.

Construction and advantages of the original solution

The original high-pressure pump from this series is designed for a specific engine type, which translates into a perfect fit for the characteristics of the M276.957. The construction includes a precision pumping mechanism, integrated fuel connections, and a housing adapted for installation at factory mounting points on the cylinder head.

The main advantages of using an original pump in the fuel system include:

• compatibility with factory engine management – no need for ECU software modifications,
• appropriate pressure characteristics across the full RPM range,
• preservation of the manufacturer's specified cold and warm start parameters,
• consistency with other fuel system components, such as fuel lines and the fuel rail.

Condition, selection, and practical application

This item belongs to the Fuel pumps and level sensors category, meaning it is a critical part for the proper operation of the engine. When selecting a high-pressure pump for a Mercedes C204 or W204 with an M276.957 engine, always verify compatibility with the OEM part number and interchangeable numbers in the product's technical specification.

In practice, installing an original high-pressure pump allows you to:

• restore correct fuel system operation after a failure or wear of the previous component,
• minimize the risk of leaks and fuel pressure issues,
• maintain predictable engine behavior during dynamic driving and high loads.

Benefits of choosing an original Mercedes pump

By choosing this high-pressure pump, you benefit from a solution developed by the vehicle manufacturer, which translates into certainty of fitment and predictable fuel system behavior. This is particularly important in modern direct-injection petrol engines, where incorrect fuel pressure can lead to ECU errors, limp mode, or accelerated injector wear.

If you are planning a comprehensive repair or upgrade of the fuel supply system in your Mercedes and need other components from the same group, such as low-pressure pumps, fuel modules, or level sensors, check out the available parts in the Mercedes fuel pumps and level sensors category.

Used electronics and equipment – how to approach the purchase

When choosing used fuel system components and control electronics, it is worth considering not only the price but also technical compatibility and installation requirements. It is good practice to familiarize yourself with the principles of selecting and verifying such components – you can find practical tips in the article A second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses key aspects of purchasing used components for modern cars.