The Mercedes A E-Class W168 W211 MAP Sensor is a component from the Air and Fuel Intake Sensors category, responsible for precise manifold pressure measurement and correct fuel system operation. This component, designed for installation at the front of the vehicle, ensures stable cooperation with the factory engine control unit, supporting even mixture combustion and correct torque characteristics. By adhering to original specifications, it offers a beneficial solution for users expecting predictable intake system performance.
Specifications and technical data
- SKU: A0041533228
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A0041533228
- Substitutable numbers: A0041533228, A 004 153 32 28, BG
- Location on the vehicle: Front
- Category: Air Intake & Fuel Sensors
Role of the MAP Sensor in Mercedes A and E-Class Engines
The MAP sensor in Mercedes A-Class W168 and E-Class W211 models is responsible for measuring absolute pressure in the intake manifold, which the engine control unit uses to calculate fuel injection quantity and ignition timing. A properly functioning sensor of this type influences:
- stable idle speed,
- smooth acceleration without jerking,
- maintenance of the correct fuel-air mixture composition,
- reduction of excessive fuel consumption.
In Mercedes vehicles, using the appropriate MAP sensor is crucial for maintaining the factory operating parameters of the powertrain and ensuring correct interaction with other components of the intake and fuel systems.
Construction and Vehicle Placement
The presented sensor belongs to the group of Air and Fuel Intake Sensors and is intended for installation at the front of the vehicle, within the intake system area. This placement allows for direct reading of manifold pressure, resulting in a quick response to engine load changes.
The sensor's construction is adapted to the factory mounting points in Mercedes A and E-Class vehicles, facilitating installation and minimizing the risk of intake system leaks. The use of original connector geometry ensures correct airflow and stable pressure readings.
Benefits of Using an Original MAP Sensor
Using a MAP sensor dedicated to specific Mercedes models offers a range of practical operational benefits. The most important include:
- compatibility with the engine control unit software – accurate measurement characteristics reduce the risk of diagnostic errors and limp mode,
- maintaining predictable throttle response – especially important for everyday city and highway driving,
- better control over exhaust emissions through proper fuel dosing,
- minimizing unnecessary interventions in the control unit maps and additional adaptations.
In cases of symptoms such as power loss, increased fuel consumption, or appearing errors related to manifold pressure, replacing the MAP sensor with a component that meets factory requirements is one of the primary service steps.
Product Characteristics and Application
The offered sensor is designed for Mercedes vehicles that utilize an intake system requiring precise pressure measurement. As a component from the Air and Fuel Intake Sensors group, it works with the injection system, influencing engine smoothness across the entire RPM range.
The product comes from the used components segment, allowing for economical repairs while maintaining original design specifications. For many users, this represents a sensible compromise between cost and preserving the factory operating parameters of the powertrain.
Selection, Diagnostics, and Technical Knowledge
When replacing the MAP sensor, it is advisable to pay attention to the correct diagnostics of the entire fuel system. It may be helpful to consult technical materials describing the interaction of sensors with the fuel system, including injectors and pumps. Extended information on this topic can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses, among other things, element selection by part numbers and diagnostic basics.
Other Mercedes Air and Fuel Intake Sensors
If you are also looking for other air and fuel intake sensors for vehicles of this brand, check out our dedicated category Mercedes Air and Fuel Intake Sensors, where you will find a wide selection of compatible solutions for various models.
