Wipers/Windshield - Various Rain/Light Sensor Complaints

Complaints connected with the rain/light sensor

Topic number LI82.30-N-048714

Version 1

Design group 82.30 Windshield wipers

Date 01-14-2010

Validity Model 639 with code (JA5) Light/rain sensor
Model 906 with code (JA5) Light/rain sensor

Reason for change

Reason for block

Complaint:
Customer complaints regarding operation of the rain/light sensor.

Cause:
- Windshield does not meet Mercedes-Benz requirements (not genuine part).

- Field of view of rain/light sensor on windshield is dirty (e.g. due to grease residues, oil, insects, road salt)

- Adhesive residues on retaining collar of rain/light sensor on windshield which can cause the rain/light sensor to lift off the windshield and result in blistering (see photo 1).