Description
The MERCEDES W204 MAP Sensor is a component from the air and fuel intake sensors category, designed for precise measurement of manifold pressure. It enables proper fuel system operation, stable mixture regulation, and efficient engine control unit (ECU) function in Mercedes W204 vehicles. Thanks to the use of original manufacturer technology, the sensor ensures repeatable, reliable readings in everyday use.
Specifications and technical data
- SKU: A0061539728
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A0061539928
- Substitutable numbers: A0061539728, A 006 153 97 28, A0061531328, A 006 153 13 28, 0261230190
- Category: Air Intake & Fuel Sensors
MAP Sensor Purpose and Function
The MERCEDES W204 MAP Sensor is responsible for measuring air pressure in the intake system, which is crucial for correct fuel delivery and ignition timing control. Based on the signal from the sensor, the engine ECU calculates the engine load, adjusts the fuel injection quantity and ignition timing, and collaborates with exhaust emission control systems.
A stable signal from the MAP sensor translates to:
- Smooth engine idling,
- Fluid acceleration without jerking,
- More predictable throttle response,
- Maintenance of correct combustion parameters.
Construction and Technical Characteristics
The sensor belongs to the group of air and fuel intake sensors, meaning it is designed to operate in the demanding engine bay environment. The housing is adapted to withstand vibrations, temperature changes, and humidity, while the electrical connector ensures a secure connection to the vehicle’s wiring harness.
The component is designed as an OEM part for Mercedes vehicles, guaranteeing proper fitment to the intake manifold and electrical compatibility with the factory engine ECU. This ensures a straightforward installation without the need for wiring modifications.
Benefits of Using an Original MAP Sensor
Using a MAP sensor dedicated to the W204 helps to mitigate common issues related to incorrect pressure measurement, such as increased fuel consumption, power loss, or warning light illumination. A properly selected component:
- Supports stable engine operating parameters across the full load range,
- Facilitates diagnostics – values read by the tester are consistent with manufacturer specifications,
- Reduces the risk of ECU errors related to incorrect intake system signals.
For users seeking OEM-segment solutions, it is important that the sensor has been developed specifically for the requirements of Mercedes powertrains, contributing to the preservation of factory operating characteristics.
Condition, Selection, and Compatibility
The offered item is used, allowing for an economical parts selection while maintaining the functionality required for everyday operation. Before installation, a standard check of the electrical system and intake system seal is recommended to fully utilize the sensor’s capabilities.
When selecting a MAP sensor for a specific engine version, it is advisable to rely on OEM data and reference numbers – this helps to avoid mechanical and electrical compatibility issues. If in doubt, comparing the housing shape, connector type, and mounting method with the currently installed component in the vehicle can be helpful.
If you are considering a broader replacement of intake sensors in your Mercedes, you can check other Mercedes air and fuel intake sensors to select a complete set of components in a single service operation.
Used Electronics and Sensors – Practical Tips
When choosing a used MAP sensor, it is beneficial to know the basic principles of selecting and installing engine electronics. Not only mechanical compatibility is important, but also electrical parameters and interaction with the ECU software. Proper preparation of the installation site (cleaning the socket, checking the seal, inspecting the wiring harness) reduces the risk of signal interference.
If you want to better understand how to safely select and install used sensors and control modules, check out the guide: Used Automotive Electronics – Why Consider Second-Hand ECUs and Sensors. There you will find practical tips on selection by OEM numbers, compatibility assessment, and common installation-related questions.
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