Mercedes-Benz Camshaft Position Sensor A0031539728, Original factory standard, stable performance replacement.

When a Mercedes-Benz engine shows starting difficulties, rough idle, weak acceleration, or even stalling, with the engine fault light on, this commonly indicates aging or failure of the camshaft position sensor. This sensor monitors camshaft position in real time and sends signals to the ECU to precisely control ignition and fuel timing, ensuring smooth engine operation. This is an OEM-quality replacement with OEM number A0031539728; fits multiple Mercedes models with M272/M273 engines (e.g., C-Class, E-Class, S-Class, ML). Installation: ensure cold engine conditions, clean mounting holes, and torque bolts to specification to avoid signal interference or loosening.