This listing is for Mercedes Benz GENUINE boost pressure sensor fits most models from 2004-2017 PART NUMBER: A0091535028

A boost pressure sensor in a car is a crucial component that helps monitor and regulate the amount of boost pressure generated by the engine's turbocharger or supercharger system. This sensor is responsible for measuring the amount of pressure or air density in the intake manifold and transmitting that information to the engine control unit (ECU).

The boost pressure sensor, also known as a MAP (Manifold Absolute Pressure) sensor, provides valuable data to the ECU, allowing it to adjust the air-fuel mixture and timing of ignition to optimize engine performance. By monitoring the boost pressure, the sensor helps ensure that the engine is running efficiently and within its safe operating range. It can detect any abnormalities or fluctuations in boost pressure and alert the ECU, which can then make necessary adjustments to prevent engine damage or poor performance. In this way, the boost pressure sensor plays a vital role in maintaining the overall health and performance of the car's engine.