

Usually there are no screws for the cover, it simply snaps on top of the sensor. It has a plastic cover that will pop out. The rain sensor is located behind the rearview mirror.

This will fix the problem when the wiper operation is so erratic that you can hardly use them. The solution to this problem would be to replace the rain sensor. If this sensor is defective, the wipers may move too fast or slow for no reason. This problem is common and is typically caused by defective Light and Rain Sensor for Automatic Headlights and Windshield Wipers. V- Mercedes Windshield Wipers work erratically. Here is a helpful tutorial on how to lubricate windshield wiper mechanism on a Mercedes-Benz. Remove the cover from the wiper arm and use a lithium grease such as Liquid Wrench White Lithium Grease. You should lubricate the wiper mechanism at the center (bottom) of the windscreen. a slow wiper movement as the wiper moves on the windshield. This is a common problem with the mono wipers (single wiper arm) found on Mercedes-Benz E, C, and CLK class (W202, W210, W208). IV- Wiper hesitates to move or move very slowly It will not allow the wipers to operate if the hood is open. Now the windshield wiper will no longer work. III- Installed new wipers and the wipers stopped working. In very few cases, this trick could solve your wiper problem. You could also try disconnecting the battery and reconnect it. Besides the Star Diagnostic scanner a couple of alternative scanners able to read Front SAM Control Unit fault codes are the iCarsoft MB II and Autel DS708. You would need a scanner that is capable of reading all control units on your MB. You will need to get your Mercedes-Benz connected to a diagnostic scanner and read the fault codes. It is possible that there is a problem with the controller area network or the front signal acquisition module (SAM). II- Turn Signal, Horn, Wipers all have stopped working Next, try tightening the bolt that holds the wiper arm in place. Make sure that the link between the wipers and the wiper motor is not broken. The bolt that holds the wiper arms in place is loose.Windshield wiper arms or linkage broken.Other possibilities that can cause these symptoms are: The gear teeth on the shaft of the wiper motor may wear out and cause the wipers to stop moving. Go to top I- Windshield wiper motor runs, but the arms don’t move.
