W123 Water in Driver\'s Side Rear Floor

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W123 Water in Driver's Side Rear Floor

04-26-2017, 06:39 AM

jay_bob

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Join Date: Oct 2011

Location: Columbia, SC

Posts: 3,942

Quote:

Originally Posted by ngarover

Sunroof seals. Had same issue but I sealed the sunroof with silicon until I can find the replacement seals and felt (the felts NLA). No issue since. major rains and dry as a bone. Before this, I had 2 inches of standing water in there after a rain!!

The sunroof is intended to leak. There is a catch pan that is supposed to drain out in 4 places (behind the front tires, and at the trim where the c-pillar meets the rear fender). If your drains are clogged then the pan fills up and floods the interior.

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both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
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