Mercedes-Benz C E W203 W204 W210 W211 Diesel Engine Camshaft Position Sensor

Mercedes-Benz C E W203 W204 W210 W211 Diesel Engine Camshaft Position Sensor is a precision component of the diesel engine control system, responsible for accurately determining the camshaft position. This allows the engine control unit to control fuel injection and engine operation in a stable and repeatable manner. A used sensor from this group is an economical solution that is technically matched to the specifics of diesel engines in Mercedes models.

Specifications and technical data

• SKU: A0031539728
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0031539728
• Substitutable numbers: A0031539728, A 003 153 97 28
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Camshafts

Function of the camshaft position sensor in a diesel engine

The camshaft position sensor in a diesel engine is responsible for generating a signal of the camshaft position relative to the crankshaft. Based on this signal, the engine control unit can:

• precisely control the fuel injection timing,
• coordinate the operation of the timing system with the injection system,
• ensure smooth engine operation across the entire RPM range,
• reduce the risk of misfires and starting problems on both hot and cold engines.

A functional sensor at the front of the engine is crucial for proper timing synchronization and stable operation of the diesel engine in a Mercedes.

Purpose and compatibility with Mercedes models

The presented Mercedes-Benz C E W203 W204 W210 W211 Diesel Engine Camshaft Position Sensor has been designed for use in popular generations of the Mercedes C-Class and E-Class, allowing for the maintenance of factory engine performance characteristics. Its location at the front of the engine facilitates service and diagnostics, and its design, compliant with manufacturer requirements, ensures:

• proper fitment into the mounting socket,
• correct cooperation with the electrical wiring harness,
• appropriate level of resistance to temperature and vibrations in the engine compartment.

By maintaining operating parameters consistent with the original design, the sensor supports stable idle speed and correct response to load in diesel engines.

Benefits of using a used camshaft position sensor

Choosing a used camshaft position sensor for a Mercedes is a cost-effective solution while maintaining the correct operating parameters of the timing system. This type of component allows you to:

• reduce repair costs while maintaining compatibility with the factory ECU,
• restore correct engine starting and operation after a sensor failure,
• preserve the original performance characteristics of the engine.

This is particularly important in the case of diesel engines, where the accuracy of the signal from the camshaft position sensor has a direct impact on engine refinement, exhaust emissions, and fuel consumption.

Professional approach to the timing system

When replacing the camshaft position sensor, it is worth paying attention to the general condition of the timing system and the correctness of the installation. A properly selected element from the Camshafts category and related components helps avoid synchronization problems and errors stored in the engine control unit. For users interested in a broader context of timing operation in engines, including typical symptoms of wear and repair costs, an article discussing issues related to timing in BMW diesel units may be helpful – you can find it here: BMW N47 timing chain – typical failure and repair using original BMW parts.

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 position sensors, control elements, or components cooperating with the timing system, check the available parts in the Mercedes Camshafts category.