Wife's SLK is letting water in on passenger side, quite bad floor carpet is soaking wet and looked under panel where I think the heater fan is? black plastic cover under / behind passenger glove box ? and some gunk and moldy leaves only a 2001 as well! still question is is this a common fault and where are the likely leak points? don't fancy sticking it into the stealership unless I could get some warrenty claim which I guess I would be onto plumbs with! all thoughts gratefully received....