Thank you, Scott. The dealer (a OE parts dealer, not a MB dealer) has tried without success in finding the answer....he's never been able to find any info on the Winterwash. I guess I should just try calling MBUSA.

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Steve

1992 300CE Sportline Sophie
1990 300E Emma - in the family
1979 240D Josephine - sold, but not forgotten
2004 Pacifica AWD

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