Map Sensor Mercedes W204 W205 Petrol Diesel Intake Air Pressure Sensor

The Mercedes W204 W205 Diesel Petrol MAP Sensor Air Pressure is a precise component of the intake system, responsible for accurately measuring manifold pressure. A correctly functioning MAP sensor ensures stable engine operation, optimal fuel delivery, and proper response to load. By choosing this part from the air filter housing category, you are investing in a proven component tailored to the specifics of Mercedes engines.

Specifications and technical data

• SKU: A0071530528
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0071530528
• Substitutable numbers: A0071530528, A 007 153 05 28, 0261230259, 0 261 230 259
• Fuel type: Petrol
• Category: Air Filter Housings

Purpose and Role of the MAP Sensor in a Mercedes

The MAP air pressure sensor in Mercedes W204 and W205 models works with the engine control system, transmitting information about the current intake manifold pressure to the ECU. Based on this, the ECU selects the fuel dose, ignition timing, and accessory operating strategy.

In petrol engines, for which this component is intended, correct pressure readings are crucial for:

• maintaining stable idle speed,
• smooth response to accelerator pedal input,
• reducing knocking and improving running smoothness,
• maintaining the correct mixture composition across the full load range.

Integration with Air Filter Housing

The presented MAP sensor is connected to the intake system through air filter housings, which often contain its mounting socket or measurement channel. Proper seating of the sensor in the filter housing ensures:

• stable air pressure measurement conditions,
• protection against contaminants and moisture,
• repeatability of readings under various operating conditions.

This allows the engine control unit to receive reliable data, which translates to more predictable performance and reduced risk of entering limp mode.

Benefits of Using an Original MAP Sensor

In Mercedes vehicles, it is particularly important to maintain the compatibility of the sensor's electrical parameters and measurement characteristics with the ECU's requirements. Using the correct component allows you to:

• minimize the risk of diagnostic errors related to boost pressure or vacuum,
• maintain correct operation of related systems (e.g., mixture regulation, emissions control),
• reduce excessive fuel consumption resulting from incorrect readings,
• prevent power loss and jerking during acceleration.

A used component of this type is an attractive alternative to new replacements, especially if you want to maintain factory characteristics at a reasonable service cost.

Condition, Verification, and Fitment

The offered MAP sensor is a used part, meaning it has undergone actual operation in a vehicle. Such components are often chosen when compatibility with the factory installation and the ability for quick replacement without additional modifications are important.

Before installation, it is recommended to:

• check compatibility with your specific Mercedes engine version,
• verify the socket in the air filter housing and the electrical harness,
• check the intake system for leaks after sensor installation.

Mercedes Air Filter Housings – Select the Right Component

If you are assembling an intake system or upgrading an existing one, you may also need other components from the same group. In such cases, it is worth checking available Mercedes air filter housings to select parts that are perfectly matched to the specific model. Take advantage of the offer by selecting Mercedes air filter housings, which will help maintain the consistency of the entire air intake system.

To compare the characteristics of different solutions used in premium cars, including the impact of the intake system and engine accessories on performance, you can read the material comparing RS sports versions with standard models: Audi RS vs. other models – what's under the hood and chassis?.