Mercedes R172 W205 W213 C207 High Pressure Petrol Fuel Pump A2780701101

Mercedes R172 W205 W213 C207 High Pressure Petrol Fuel Pump is an original fuel system component designed for petrol engines in selected Mercedes models. Thanks to its precise construction and factory fitment, it ensures stable fuel delivery, which translates into reliable engine performance and safe vehicle operation. This is a solution for users who are looking for a proven fuel pump instead of random aftermarket replacements.

Specifications and technical data

• SKU: A2780701101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2780701101
• Substitutable numbers: A2780701101, A 278 070 11 01
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and role in the fuel system

The presented fuel pump operates in the petrol fuel system, responsible for transporting fuel from the tank to the engine at the appropriate operating pressure. In Mercedes R172, W205, W213, and C207 series vehicles, this component is crucial for:

• maintaining stable fuel pressure across the entire engine load range,
• ensuring proper cold and warm starts,
• correct operation of the injection system and limiting power drops,
• reducing the risk of engine misfiring during dynamic driving.

Thanks to a design compliant with the vehicle manufacturer's requirements, the pump works with the factory control electronics, which promotes stable power supply characteristics and predictable vehicle behavior in various road conditions.

Fuel pumps and level sensors category – functional benefits

The component belongs to the Fuel pumps and level sensors group, i.e., subassemblies responsible for delivering fuel and monitoring its quantity in the tank. A properly selected fuel pump in a Mercedes affects:

• smooth engine operation across the full RPM range,
• correct fuel level readings (depending on vehicle configuration),
• limiting the risk of air entering the system when fuel levels are low,
• maintaining combustion parameters at the level intended by the manufacturer.

Choosing a component from this category allows you to maintain the consistency of the entire fuel system, which is particularly important in modern petrol engines sensitive to pressure fluctuations and fuel quality.

Technical characteristics and compatibility with petrol engines

The pump has been designed to work with petrol-powered engines, which means appropriately selected materials, seals, and operating parameters. In practice, this translates into:

• resistance to typical additives used in petrol,
• stable performance across a wide range of operating temperatures,
• compatibility with factory Mercedes fuel system equipment.

By maintaining the vehicle manufacturer's standards, the pump can be used as a replacement part for a worn-out component without the need for modifications to the fuel or electrical installation.

Condition, application, and practical installation tips

The offered fuel pump is a used component, which allows for economical fuel system repair while maintaining the original manufacturer's specifications. This is a good solution for users who want to reduce service costs while opting for factory component fitment. Before installation, it is recommended to:

• verify compatibility by OEM number and vehicle model,
• check the condition of the electrical installation and connectors in the car,
• replace the fuel filter if the service procedure requires it.

Professional installation at a specialized service center helps maintain trouble-free fuel system operation and limit the risk of leaks or pressure drops after replacement.

Expanding the Mercedes fuel system – related components

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other elements from the same group, such as additional pumps, power modules, or fuel level sensors, check the available parts in the Mercedes fuel pumps and level sensors category.

When selecting used fuel system components and control electronics, it is worth being guided not only by price but also by the compatibility of markings and technical parameters – you will find practical tips in this regard in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

If you want to better plan your purchases of used subassemblies, optimize service costs, and at the same time maintain a high level of vehicle reliability, the following practical guide may also be helpful: Used parts – your guide to the best offers in the automotive store.