Brake Pad Wear Sensor: Description and Operation

GF42.25-P-3123RI Brake Wear Sensor, Component Description
MODEL 230.4 as of model year 09 /YoM 08 model refinement package





S10/2 Right front brake pad contact sensor
S10/4 Right rear brake pad contact sensor

Location
The brake pad contact sensors are integrated into the corresponding brake pads of the brake system.

Task
The brake pad contact sensors record the wear of the respective brake pads and are read in by the ESP, SPS [PML] and BAS control unit (N47-5).