Mercedes W176 W177 Camshaft Position Sensor Petrol Engine A2761560790

Mercedes W176 W177 Camshaft Position Sensor Petrol Engine is a precision component of the engine management system, responsible for accurately determining the camshaft position in petrol engines. Thanks to the correct signal from the sensor, the engine control unit can maintain stable operation, proper ignition, and optimized fuel consumption. This solution is intended for users looking for a proven component for professional timing system maintenance.

Specifications and technical data

• SKU: A2761560790
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2761560790
• Substitutable numbers: A2761560790, A 276 156 07 90
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Camshafts

Purpose and function in the timing system

The camshaft position sensor in Mercedes W176 and W177 petrol engine models is responsible for generating a signal of the camshaft position relative to the crankshaft. This information is crucial for:

• precise fuel injection control,
• accurate determination of ignition timing,
• proper operation of variable valve timing systems,
• stable idle speed and smooth acceleration.

A functional sensor helps reduce the risk of starting problems, jerking during driving, or the check engine light coming on, which translates into more predictable and comfortable vehicle operation.

Mounting parameters and engine integration

The presented component is designed for installation in the front part of the engine unit, in the immediate vicinity of the camshaft. This placement ensures a reliable position reading and stable cooperation with the factory engine control unit in petrol-powered vehicles.

The sensor is structurally matched to the factory mounting socket and electrical harness in Mercedes engines of this series, which facilitates service and shortens replacement time. Proper fitment with the timing system limits the risk of reading errors and allows maintaining operating parameters in accordance with the manufacturer's specifications.

Benefits of using an original sensor

Using an original camshaft position sensor in a Mercedes petrol engine brings a number of practical benefits:

• Stable engine operation – correct camshaft position data enables the controller to maintain smooth unit operation across the full rev range.
• Better throttle response – proper synchronization of injection and ignition translates into more predictable acceleration.
• Reduction of diagnostic errors – the correct signal from the sensor reduces the risk of errors related to timing synchronization.
• Consistency with factory software – a component designed to work with the original ECU, without the need for installation modifications.

This solution is particularly recommended when diagnosing problems with starting a warm engine, sporadic engine stalling, or appearing errors related to camshaft and crankshaft synchronization.

Condition, verification, and service application

The offered sensor comes from the Camshafts group and is a used item, which makes it an attractive cost alternative while maintaining the functionality required in daily operation. This type of component is often chosen for:

• repairs after a sensor failure manifesting as controller errors,
• preventive replacement during timing system work,
• diagnosing problems with unstable petrol engine operation.

To ensure proper selection, it is worth comparing the design and connector with the currently installed element before assembly and verifying compatibility with the specific engine version in a given Mercedes vehicle.

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

When choosing used components for the timing system, it is worth avoiding common mistakes related to tuning and modifications. If you want to better prepare for purchases and learn about the most common pitfalls when choosing used elements, check out the article Buying used car parts – common mistakes when choosing parts for tuning.