Mercedes W204 C207 W212 Fuel Pump Sender Pressure Sensor A0009051100

The Mercedes W204 C207 W212 Fuel Pressure Sensor A0009051100 is a precise component from the Air and Fuel Intake Sensors group, designed for use in Mercedes vehicles of the W204, C207, and W212 series. A used sensor allows for an economical yet technically correct repair of the fuel system, maintaining proper engine operating parameters and fuel pressure stability.

Specifications and technical data

• SKU: A0009051100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009051100
• Substitutable numbers: A0009051100, A 000 905 11 00
• Category: Air Intake & Fuel Sensors

Function and Role of the Fuel Pressure Sensor

The fuel pressure sensor in the injection system is responsible for continuously measuring the pressure in the fuel rail or fuel line and transmitting the signal to the engine control unit. A properly functioning component enables:

• stable engine operation across the full load range,
• precise fuel delivery by the injectors,
• reduced risk of power drops and rough idling,
• lower fuel consumption and emissions through correct dose correction.

In Mercedes vehicles of the W204, C207, and W212 series, accurate fuel pressure readings are crucial for the control unit's interaction with the injection system, especially during dynamic driving and frequent load changes.

Benefits of Using an Original Mercedes Sensor

Using a sensor from the Air and Fuel Intake Sensors group dedicated to a specific vehicle platform ensures proper electrical and mechanical fit. The original design allows for maintaining:

• signal characteristic conformity with the maps stored in the engine control unit,
• correct system responses to rapid changes in fuel demand,
• stable operation across a wide range of operating temperatures and pressures.

For the user, this means more predictable vehicle behavior, reduced risk of the engine entering limp mode, and easier diagnosis of potential future faults.

Application in Mercedes W204, C207, W212 Models

The presented sensor is intended for Mercedes vehicles of the W204, C207, and W212 series, where the fuel system requires interaction with a dedicated measuring element. This allows for maintaining the original engine operating parameters without the need for installation modifications.

A used component is a sensible choice when the priority is to restore full fuel system functionality at a controlled service cost, while maintaining compatibility with the factory control unit.

Diagnostics, Selection, and Operation

When replacing the fuel pressure sensor, it is important to verify its compatibility with the injection system and ensure it is correctly seated in the fuel rail or fuel line. In workshop practice, this component is often replaced after diagnosing errors related to fuel pressure or unstable engine operation.

To better understand the relationships between the sensor, injectors, and high-pressure pump, and to properly diagnose the entire system, it is recommended to consult the guide: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. The article discusses operating principles, common fault symptoms, and best practices for operation.

Expanding Work on the Mercedes Fuel System

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional sensors, measuring elements, or components related to fuel flow control, check the available parts in the Mercedes Air and Fuel Intake Sensors category.

Summary

The Mercedes W204 C207 W212 Fuel Pressure Sensor A0009051100 is a used, original measuring element designed for operation in the fuel system of Mercedes vehicles. It ensures proper interaction with the engine control unit, stabilizes engine operating parameters, and allows for a technically correct repair of the injection system while maintaining a favorable cost-to-functionality ratio.