Mercedes W164 W169 W204 W639 W906 W212 Camshaft Position Sensor A2769050900

Mercedes W164 W169 W204 W639 W906 W212 Camshaft Position Sensor is a precision timing system component responsible for accurately monitoring the camshaft position within the engine. A properly selected sensor ensures stable engine operation, correct fuel injection control, and proper ignition timing. By choosing this element from the Camshafts group, you are investing in a proven solution tailored to the specifics of Mercedes W164, W169, W204, W639, W906, and W212 series models.

Specifications and technical data

• SKU: A2769050900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2769050900
• Substitutable numbers: A2769050900, A 276 905 09 00
• Category: Camshafts

Purpose and function of the camshaft position sensor

The camshaft position sensor in Mercedes engines is responsible for transmitting information about the current camshaft position to the engine control unit (ECU). Based on this data, the ECU precisely controls fuel dosing and ignition timing, which affects:

• proper synchronization of cylinder operation,
• stable idle speed,
• efficient engine starting in both cold and warm conditions,
• reduced risk of misfires and power loss.

In Mercedes W164, W169, W204, W639, W906, and W212 series vehicles, using the correct sensor is crucial for maintaining the factory performance parameters of the engine and ensuring proper interaction with the timing system.

Benefits of using an original Mercedes sensor

Selecting a sensor from the same product line as the vehicle's factory equipment translates into high compatibility with the engine control software. As a result:

• the appropriate signal characteristics are maintained,
• the risk of ECU memory errors related to camshaft position readings is minimized,
• the need for additional adaptation or wiring modifications is reduced.

Precise fitment to the timing system allows for maintaining correct valve timing and stable engine refinement, which is important both in daily use and during more demanding highway driving or full-load conditions.

Application in Mercedes vehicles

The camshaft position sensor is designed for selected Mercedes SUV, compact, van, and mid-size class models, such as the W164, W169, W204, W639, W906, and W212. Interaction with the timing system in these designs requires a component with appropriately matched electrical and mechanical characteristics, which translates into:

• correct mapping of the camshaft position relative to the crankshaft,
• stable operation of combustion control systems,
• better throttle response and predictable vehicle behavior in various conditions.

Sensor replacement is particularly recommended when symptoms such as starting difficulties, uneven idling, or sporadic engine limp mode occur, especially when diagnostics indicate an incorrect signal from the camshaft position sensor.

Component condition and installation aspects

The offered camshaft position sensor is a part from the Camshafts category in used condition, which allows for cost-effective restoration of the timing system while maintaining appropriate quality. This type of component, sourced from disassembly, is an attractive alternative to new aftermarket replacements, especially for vehicles used intensively or with higher mileage.

Before installation, a standard service procedure is recommended, including checking the electrical harness, connectors, and proper seating of the sensor in its socket. A correctly installed sensor works with the factory ECU without the need for installation modifications, which shortens repair time and facilitates workshop operations.

Technical support and additional information

When selecting a camshaft position sensor, it is worth paying attention to compatibility with the specific engine version and vehicle year. Vehicle identification data and computer diagnostic information are helpful in confirming that the replacement involves the correct timing system component. In case of doubt, it is advisable to consult a mechanic or an engine electronics specialist to ensure full compatibility and avoid repeated interference with the system.

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

Additionally, to better understand the advantages of using proven recycled parts and the possibilities of optimizing service costs, it is worth reading the article: Brake calipers under the microscope – how to lower repair costs of the braking system by choosing original used components. Although it concerns a different group of subassemblies, it presents a practical approach to the safe use of used parts in professional service.