According to the factory specifications. Perfect match for the car. Easy installation. Stable characteristics, high reliability. Special note: Due to the different installation processes for different car models using this product, in most cases, it needs to be decoded, matched, and recoded according to the initial settings of your car. Therefore, please that you fully understand these situations and have professional staff to provide you with testing and installation. Condition: Manufacturer Part Number: A2049013003 A2049012201 A2049017601 Compatible:For -Class (X204) 2008-2012 Note:Please make sure the interchange part number matches the part you are replacing. Color:Black Material:ABS Package Contents: 1 x Rain Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.