RPM sensor component description - GF42.30-P-4552CW

MODEL 204.0/2 up to Model Year 8 

Illustrated on model 204.0 

Location 

The rpm sensors are located on the respective steering knuckle.

Fig 1: Identifying Front/Rear Axle RPM Sensor Locations

Courtesy of MERCEDES-BENZ USA

Task 

Standstill, direction of rotation and rpm of the wheels are recorded via the rpm sensors.

They are read in discreetly by the Electronic Stability Program control unit (N30/4).