Mercedes-Benz C E W203 W211 OM642 OM646 Diesel Fuel Filter Sensor A0001539513

Mercedes-Benz C E W203 W211 OM642 OM646 Diesel Fuel Filter Sensor is a specialized component from the Air and fuel intake sensors category, responsible for precise control of fuel parameters in the supply system. This used, original component ensures compatibility with the factory electrical installation and engine control unit, facilitating diagnostics and stable operation of the diesel engine.

Specifications and technical data

• SKU: A0001539513
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0001539513
• Substitutable numbers: A0001539513, A 000 153 95 13, BG
• Fuel type: Diesel
• Category: Air Intake & Fuel Sensors

Purpose and function in the fuel system

The presented sensor operates within the diesel engine fuel supply system, monitoring the operating conditions of the fuel filter and transmitting a signal to the engine control unit. In OM642 and OM646 units, accurate information from the sensor is crucial for:

• maintaining stable diesel engine operating parameters,
• early detection of irregularities in fuel filtration,
• reducing the risk of operating on contaminated fuel,
• supporting the correct fuel injection control strategy.

As a result, the injection system is better protected against the effects of contamination, and the engine maintains predictable operating characteristics.

Compatibility with diesel engines

The sensor has been designed to work with Diesel engines used in popular Mercedes-Benz C-Class (W203) and E-Class (W211) models with OM642 and OM646 engines. This means it is perfectly matched to the factory wiring harness, providing appropriate signal parameters and correct operating characteristics under typical operating conditions for these units.

In practice, this translates into:

• easier integration with the existing engine control unit,
• no need for installation adaptation,
• preservation of the original diagnostic logic in the OBD system.

Characteristics of the used component

The offered sensor is a used part, which, in the case of original Mercedes components, allows for combining reasonable cost with the preservation of factory specifications. This type of part is particularly attractive for servicing older generations of diesel engines, where both technical compliance and repair economy are important.

Choosing a used fuel filter sensor makes sense especially when the priority is:

• maintaining the original fuel system architecture,
• reducing costs compared to a new replacement,
• maintaining operating parameters close to factory standards.

Why choose original Mercedes electronics

Electronic components of the fuel supply system, such as fuel filter sensors, are closely linked to the engine control unit software. Using an original Mercedes component minimizes the risk of communication errors, accidental faults, and diagnostic problems. This is particularly important in modern diesel units, where every input signal affects the injection strategy and component protection.

If you want to better understand when choosing used electronics is technically and economically justified, it is worth reading our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expanding your Mercedes fuel system service

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 pressure sensors, fuel temperature measuring elements, or flow sensors, check out the available parts in the Mercedes air and fuel intake sensors category.

For a fuller understanding of the benefits of choosing original, used components, you can also use the practical tips contained in the article: OEM quality guarantee and safety – why used original car parts are the best choice for your car?