Camshaft Position Sensor Mercedes W203 M272 Petrol Engine Sensor A2720510077

Camshaft Position Sensor Mercedes W203 M272 Petrol Engine Sensor is a precision component of the engine management system, dedicated to petrol engines of this series. It is responsible for accurately reading the camshaft position, which allows the engine control unit to properly dose fuel and ignition. Thanks to this sensor, the timing system operates stably, and the engine maintains proper performance and efficient operation.

Specifications and technical data

• SKU: A2720510077
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720510077
• Substitutable numbers: A2720510077, A 272 051 00 77
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Camshafts

Purpose and function in the timing system

The described camshaft position sensor works with the M272 series petrol engine in the Mercedes W203 model, monitoring the position of the camshaft relative to the crankshaft. This information is crucial for:

• precise timing phase synchronization,
• stable idle operation,
• proper acceleration without jerking,
• maintaining optimal air-fuel mixture combustion.

This component belongs to the Camshafts group, as it directly monitors their position and enables the engine control unit to react dynamically to load changes.

Installation parameters and vehicle integration

The sensor is designed for installation in the front part of the vehicle, in the engine area, where it works with the petrol engine's timing system. Its design is adapted to factory mounting sockets, which facilitates service and reduces replacement time. Thanks to compliance with the manufacturer's solutions:

• the proper distance from the measuring elements on the camshaft is maintained,
• the electrical connection is matched to the vehicle's wiring,
• the engine control unit receives a signal with the appropriate parameters.

Such a fit promotes seamless integration with the factory control system and minimizes the risk of diagnostic errors.

Operational characteristics

As a used component, the camshaft position sensor is a reasonable choice for engine service when you want to maintain the original specification at controlled costs. A properly selected sensor helps reduce typical symptoms of damage in this area, such as:

• problems with starting a warm engine,
• uneven idle operation,
• loss of dynamics in the low and medium RPM range,
• error codes related to timing synchronization.

Choosing a component that meets the manufacturer's requirements allows you to maintain stable timing system operation and reduce the risk of secondary failures.

Application in the M272 petrol engine

M272 series petrol engines use advanced variable valve timing control, which is why the quality of the signal from the camshaft position sensor has a direct impact on throttle response, fuel consumption, and exhaust emissions. A properly functioning sensor:

• supports the correct operation of variable valve timing,
• facilitates maintaining operating parameters consistent with the control unit maps,
• promotes smooth driving across the entire RPM range.

For the user, this means more predictable vehicle behavior and consistent performance in daily use.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as camshafts, gears, or phase control elements, check the available parts in the Mercedes Camshafts category.

When selecting used components for critical systems, such as engine management or brake elements, it is worth following proven inspection procedures. Practical tips on the safe selection of parts from the secondary market can be found in the article "Second-hand braking system: how to safely choose discs, calipers, and ABS?", which shows what to look for when buying used components in specialized stores.