+fireamx - I became a dual citizen today. I found a lot of discussions about rust forming under the rubber moldings of certain Mercedes vehicles but couldn't find anything specific to the SLK. Seems to be a known problem for at least some Mercedes vehicles:

http://mbca.cartama.net/showthread.php?t=6287

I wonder if Chrysler would be interested in creating "good will" by taking care of our problem? Could this be a Karmann design problem?