Position Sensor Mercedes W177 Petrol M282 Camshaft Sensor A6549052400

Position Sensor Mercedes W177 Petrol M282 Camshaft Sensor is a precision component of the petrol engine control system, responsible for accurately determining the camshaft position and ensuring stable operation of the power unit. Thanks to its factory design intended for the M282 engine, it ensures proper timing synchronization with the fuel injection and ignition systems, which translates into engine performance and smooth operation. This solution is dedicated to users expecting consistency with Mercedes factory electronics and easy integration with the existing installation.

Specifications and technical data

• SKU: A6549052400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6549052400
• Substitutable numbers: A6549052400, A 654 905 24 00, 237314986R, 0232103176
• Fuel type: Petrol
• Category: Other Engine Parts

Function of the camshaft position sensor in the M282 petrol engine

The camshaft position sensor in a petrol engine plays a key role in controlling valve timing and fuel dosing. In the M282 unit, its signal is used by the engine control unit (ECU) to:

• accurately determine the position of the camshaft relative to the crankshaft,
• precisely control fuel injection in sequential mode,
• optimize ignition timing across various load ranges,
• stabilize idle speed and ensure smooth acceleration.

A functional sensor helps reduce problems with starting, misfiring, or uneven engine operation, which is particularly important in modern petrol units with advanced electronics.

Compatibility with Mercedes W177 and integration with the control system

The presented sensor is designed for use in the Mercedes W177 model with the M282 petrol engine, ensuring compatibility with the factory ECU software and the vehicle's electrical harness. The design of the connector and housing allows for installation in the manufacturer-intended location without the need for any modifications to the installation.

As a result, this component can be used both as a replacement for a faulty sensor and as part of timing system diagnostics when errors related to camshaft and crankshaft synchronization occur. Using a component matched to the specific Mercedes generation reduces the risk of improper engine control system operation.

Technical characteristics and advantages of use

The camshaft position sensor in this version is adapted for operation in a petrol engine, where fast and repeatable readings of mechanical component positions are required. The sensor's measuring system works with the pulse wheel on the camshaft, generating a signal that the controller interprets in real-time.

The main advantages of using this solution include:

• stable cooperation with Mercedes electronics in the W177 version,
• proper adaptation to the operating characteristics of the M282 unit,
• possibility of use in vehicles with existing installations without additional modifications,
• maintenance of engine operating parameters in accordance with the manufacturer's specifications.

Thanks to a properly functioning sensor, the controller can maintain appropriate dynamics, fuel consumption, and exhaust emissions within the prescribed standards.

Component condition and service application

The offered sensor is an item from the used Mercedes parts group, which allows for economical repair of the engine control system while maintaining compliance with factory specifications. This type of component is often used in:

• repairs after camshaft sensor errors appear in the ECU memory,
• service centers dealing with the diagnosis of starting problems and uneven engine operation,
• preventive maintenance in heavily used vehicles.

Replacing the camshaft position sensor is one of the basic steps in eliminating faults related to timing synchronization in modern petrol units.

Related components and technical knowledge expansion

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other items from the same group, such as position sensors, control elements, or electrical installation components, check out the available parts in the Other Mercedes category.

To expand your knowledge on the differences in the design of modern power units, control systems, and engine accessories, it is worth reading an article discussing the comparison of sports versions with standard variants – it describes in detail, among other things, the construction of engines, braking systems, and chassis: Audi RS vs other models – what is hidden under the hood and chassis?.