To make sure part can fit perfectly, please check item pictures, read item description, confirm compatibility chart and OE#(part#/ interchange part#)of your part.
Brake Pad Wear Sensor as pictured
Part number:
OEM No# A2115401717, 2115401717
Other Part Numbers: A2205400717, 2205400717, 2205400617, A0133A0005, 1695401617
For Mercedes W220 W203 W211 W221 W204 W212