Install Rain/Light Sensor - AR82.30-P-7802-01ME

Model 118, 167, 177, 206, 223, 232, 243, 247, 254, 295, 296, 297 

Do not touch coupling medium of rain and light sensor with additional functions (B38/2). The coupling medium must not be soiled.

Otherwise it may be damaged and malfunctions may occur.

Courtesy of MERCEDES-BENZ USA

Preparation 

1. Clean windshield in area of rain and light sensor with additional functions (B38/2).

   The windshield must be free of residue and dry in the area of the rain and light sensor with additional functions (B38/2).

   Otherwise, the rain and light sensor with additional functions (B38/2) may be damaged or malfunction.

2. Remove transport protection cap of rain and light sensor with additional functions (B38/2).

   If a new rain and light sensor with additional functions (B38/2) is installed.

   Check 

3. Check coupling medium of rain and light sensor with additional functions (B38/2).

   The coupling medium must have an undamaged, ↓ unsoiled area with a diameter of at least 31 mm. There must not be any air pockets greater than 1 mm and there should be no more than 3 air pockets present.

   Install 

4. Position rain and light sensor with additional functions (B38/2) on fastener (1) of windshield and clip in.

   The rain and light sensor with additional functions (B38/2) must engage into the fastener (1) audibly twice.

   Check 

5. Check rain and light sensor with additional functions (B38/2) for correct seating.

   The retaining clamps must be correctly latched (arrows a) and the conductor track (arrow b) must lay smooth-surfaced on the windshield.

6. Check whether there are air pockets between the coupling medium and windshield.

   Smaller air pockets are permissible; they usually disappear after 2 h.

   If there is a problem,

   If there is a problem, ↓ Replace rain and light sensor with additional functions (B38/2).

   Remove and reinstall rain and light sensor with additional functions (B38/2).