Mercedes-Benz C-Class W202 W203 M111 M271 Petrol Intake MAP Sensor A0041533328

Mercedes W202 W203 M111 M271 MAP Sensor is a component from the Air and Fuel Intake Sensors category, designed for the front part of the intake system in gasoline engines. It is responsible for precise measurement of manifold pressure, allowing the engine control unit to properly dose fuel and ensure stable engine operation. This solution is dedicated to selected Mercedes C-Class models of the W202 and W203 generations with M111 and M271 engines.

Specifications and technical data

• SKU: A0041533328
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0041533328
• Substitutable numbers: A0041533328, A 004 153 33 28, BG
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Air Intake & Fuel Sensors

Function and Importance of the MAP Sensor in Mercedes W202/W203

The MAP sensor in Mercedes gasoline engines measures the pressure in the intake manifold and sends a signal to the engine control unit. Based on this, the control system calculates the fuel dose, ignition timing, and adjusts engine operation under various load conditions. A functional MAP sensor reduces the risk of rough idling, power loss, and increased fuel consumption.

In M111 and M271 engines, a properly functioning manifold pressure sensor is particularly important for precise mixture control in gasoline engines, even during dynamic driving. Its placement at the front of the intake system facilitates service access and replacement.

Compatibility with M111 and M271 Engines

The presented MAP sensor is designed to work with selected versions of M111 and M271 engines used in Mercedes W202 and W203 gasoline-powered vehicles. This ensures signal characteristic compatibility with the factory engine control unit, leading to stable engine performance parameters.

It is always advisable to confirm the sensor selection for a specific vehicle by consulting catalog data or the OEM number in the technical specifications. This helps avoid issues with incorrect pressure readings, control unit errors, and the engine warning light on the dashboard.

Benefits of Using an Original Sensor in the Air and Fuel Intake Sensors Category

Sensors from the Air and Fuel Intake Sensors category directly influence mixture composition, exhaust emissions, and engine running smoothness. For the discussed MAP sensor for Mercedes W202/W203, several key advantages can be highlighted:

• maintaining the factory manifold pressure signal characteristics,
• proper cooperation with the gasoline engine control system,
• reducing the risk of excessive fuel consumption and power loss,
• stable engine operation across the entire RPM range.

Choosing a component from this category dedicated to a specific Mercedes engine series allows for maintaining engine performance parameters close to factory levels.

Condition, Installation, and Diagnosis of the Intake System

The offered MAP sensor is a used component, which means that before installation, it is advisable to check the connectors, the seal of the socket, and the condition of the vehicle's electrical system. A correctly installed sensor, working with an undamaged intake manifold and a sealed vacuum system, allows for reliable pressure readings.

Typical symptoms of MAP sensor wear or damage include fluctuating idle speed, increased fuel consumption, reduced acceleration, and error codes stored in the engine control unit. If in doubt, it is recommended to perform a computer diagnostic scan and compare pressure readings with reference values.

More About Air and Fuel Intake Sensors in Mercedes

If you are looking for other air and fuel intake sensors for this brand's vehicles, check out our dedicated offer for Mercedes Air and Fuel Intake Sensors, where you will find a wide selection of components tailored to various models and engine versions.

To better understand the impact of measurement components on engine operation and the fuel system, it is worth reading the guide on our blog: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. This article helps to connect the function of sensors with the diagnosis and operation of the entire fuel system.