Sensor Crank 1Pin (M111 M104 M119 M166) (Mercedes-Benz A-Class W168 / C-Class W202 / S-Class W140) is a critical engine component designed to detect the crankshaft position. This sensor plays a vital role in engine management by providing the engine control unit with real-time information about the crankshaft’s rotational position and speed. Accurate data from the crank sensor helps ensure proper fuel injection and ignition timing for smooth engine operation.
This particular crankshaft position sensor features a single-pin connector and is compatible with various Mercedes-Benz models including the A-Class W168, C-Class W202, and S-Class W140, covering engines coded M111, M104, M119, and M166. When considering replacement, compare the sensor’s pin configuration and fitment with the existing unit to confirm compatibility.
Buyers should check the sensor’s condition as failure or inaccuracies in this component can lead to engine performance problems like misfires, stalling, or difficulty starting. This listing does not guarantee coding, calibration, or fault resolution, so further diagnosis or professional consultation may be necessary after installation.
- Single-pin crankshaft position sensor
- Fits Mercedes-Benz A-Class W168, C-Class W202, S-Class W140
- Compatible with M111, M104, M119, M166 engines
Need help matching this item to your vehicle? Use Vehicle Parts Finder, Request a Part or Platinum Sales Desk with your VIN, engine number, part number or clear photos.





