Rain sensing wiper problems - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 06-29-2011, 06:57 PM Thread Starter
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Question Rain sensing wiper problems

I'm not sure where to start but I think this is the correct forum since several series of MBs have this option available.

Problem: Intermittant rain sensing wiper is not working properly.


1)Aftermarket windshield installed and replaced by previous owner. It is an LOF made in Finland, not a PPG which I think is MB OEM.

2)Used to wipe too frequently and sensor was replaced which helped for a while.

3)Now it wipes too slowly and acts likes the slow speed of a regular intermittant wiper. Irrespective of water on the windshield it is an every 5 second sweep.

4)Tech replaced the sensor with a new part.

5) Same dealer tech has had it on the Xentry and it shows a failure of the associated SAM.

6)The tech thinks it might need to undergo some adaptation for the new sensor. Someone discarded all of the older paper service manuals and they are trying to get a copy of the relevant page(s).

Now we are waiting for the service manual info. Does anyone here have any thoughts?

Thanks in advance,


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