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Old 05-09-2008, 01:05 AM
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Join Date: Mar 2008
Location: Central Florida
Posts: 8
2000 S430 wiper problem

The wipers on my 2000 S430 come on randomly almost every time I drive it. The previous owner had the park relay replaced. If you turn them on and off a few times they will finally shut off. Is there some type of moisture sensor that can be bad??

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Old 05-09-2008, 09:13 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
When you turn the wipers on in that car, there are 3 computers involved!
If you leave the wiper switch in the "auto" position, there are 4 computers involved!

To diagnosis that problem on that model & MOST MB's after 1998 you would need a MB scanner capable of reading codes from those computers & capable of reading live data & activation of that system.

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