1. This product is a brake pad alarm sensor cable. It is used to monitor degree of wear for brake pad. 2. Easy to install. 3. Replace your old or broken brake pad alarm sensor cable with a new one. 4. OE number: 1715400617. This is just for reference, please check and confirm the OE carefully before purchasing. 5. Fits for: Mercedes-Benz R230 2001-2012 / W221 2005- 6. Material: plastic + copper + rubber
