The Genuine Mercedes Engine Crankshaft Position Sensor - 0011538428 is a high-quality, original equipment manufacturer (OEM) part designed specifically for Mercedes vehicles. This sensor is responsible for monitoring the rotation and position of the engine's crankshaft, which is crucial for proper engine function. It works by sending signals to the engine control unit (ECU) to adjust the fuel injection and ignition timing. This ensures optimal engine performance and fuel efficiency. The sensor is made with durable materials and precise engineering to ensure accurate readings and long-lasting reliability. It is a direct replacement for the original sensor and is compatible with various Mercedes models.