Date registered: Aug 2002
Vehicle: E430T + 300SL (W107)
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I have problems with my rain sensor, and it is driving me crazy.
When it has been raining for a while, the wiper goes into "on" mode, and will not stop, even if the rain is light or it even stops raining. Seems like it is related to the wiper blade, which leaves a film on the windscreen. If I clean the edge of the blade (which cleans the part of the windscreen where the sensor is located) with my fingernails, it starts to work properly, but only for a few sweeps.
Rain sensor worked properly for a few months when I bought the car (with which I assume was new blades) but its getting worse and worse. As it is now, at light rain, the only solution is to shut it off, and wipe manually. Very irritating!
Car is still under warranty but my dealer says they can not do anything except changing the blade. Wiper blades are however expensive. I only had the car for six months, and the wiper still cleans the screen perfect. Did anyone have similar experience with his rain sensor?
/ Joakim Quensel
2000 E430T & 1989 300SL