Sensor Crankshaft (M274 M270) (Mercedes-Benz A-Class W176 / B-Class W246 / C-Class W205 / E-Class W212 / SLK-Class SLC-Class R172) is a precise sensor designed to monitor the crankshaft position in selected Mercedes-Benz engines. It plays a critical role in engine management by providing real-time feedback on the crankshaft’s rotational speed and position, which helps the engine control unit optimize ignition timing and fuel injection.
This sensor is specifically compatible with Mercedes-Benz models fitted with the M274 and M270 engines, covering a range of vehicles including the A-Class W176, B-Class W246, C-Class W205, E-Class W212, and SLK-Class/SLC-Class R172. Accurate identification of this sensor is essential for replacement or repair, as it must match the original component to maintain proper engine operation.
When checking this part for replacement, confirm it corresponds with your vehicle’s engine model and the sensor’s physical connector and mounting points. This item is a crankshaft position sensor type, so its function directly affects the engine’s timing systems. Coding, calibration, and fault repair are not covered by this listing and may require additional diagnostic work.
- Fits Mercedes-Benz M274 and M270 engines
- Compatible with multiple Mercedes-Benz models across several classes
- Essential for monitoring crankshaft position and rotational speed
Compare your existing sensor carefully to ensure compatibility before purchase or consult the sales desk for assistance with fitment. If unsure about part identification or vehicle matching, submitting a request via the provided platform can help source the correct sensor.
Need help matching this item to your vehicle? Use more Crankshaft, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.