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: 1645401017 2205401517. This is just for reference, please check and confirm the OE carefully before purchasing. 5. Fits for: Mercedes-Benz W164 2005-2010 / W166 2011- 6. Material: plastic + copper + rubber
