The floorboards of my 300D are normally dry as a bone. My wife has been driving the 300D for the last month as she cracked up her Jetta and its in the bodyshop. She returned from a trip to Albany and I used the car for an errand. I noticed water dripping on the ground under the right rear floorboard..... Damn!! The mats on the drivers side are soaking wet! I washed the car a little over a week ago and I always check under the mats after washing because I am nuts.... No significant rain for more than a week so it wasn't rain. Told her not to use the AC. It rained for 3hours while she was at work today and it didn't get any wetter so.... Hmmmm, check the AC drain. Tore most of the interior out of the car. No visible water tracks but the hose turned to dust when I touched it! What a PITA to get to that little bugger. Replaced the drain tube with a piece of rubber hose and zip-tied it tight to the drain nipple. Burned half a bale of paper towels and used a ShopVac to clean the water up. Car is parked in the garage with the dehumidifier running and a box fan blowing down through the sunroof. So heres the quesiton: How long does it take to dry out the nooks-n-crannies like under factory soudproofing in the footwells? No easy way to tell and no way to remove it. Hope I fixed it. Thanks, RT

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When all else fails, vote from the rooftops!
84' Mercedes Benz 300D Anthracite/black, 171K
03' Volkswagen Jetta TDI blue/black, 93K
93' Chevrolet C2500HD ExCab 6.5TD, Two-tone blue, 252K

Maybe compressed air would help push it out into the open so you can clear it up? If it was soaking the floor before, I'm sure if you got the majority of the water out, if the problem came back you'd know.

Btw- my little Lake Diamler was found (I haven't had the carpet in for a year or so now) and worked on to a certain extent (currently blaming windshield seal), it was also drained, NATURALLY!! Good thing I just bought a MIG welder not very long ago....

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Jeff M.
Mercedes W123 DIY pages are now located here.
1983 / 1984 300D Sold
2000 CLK430 Cabriolet ~58k Sold
2005 Avalanche 4x4 ~66k

I don't know if this would help. My 300CD really reeked a while back after all that rain here (I'm sure you remember ). The car really smelt like... damp carpets.

So one day when it was 90+F, I dragged my friends along and cleaned the whole interior. simple green for the vinyl and some sort of foamy cleaner for all the carpet-like materials (all I could reach).

We just scrubbed the hell out of the carpets. The interior is actually really clean and now smells nice and fresh

Even the trunk is really clean now.... I guess that stuff really works. I just let it air dry outside with all windows down. Unfortunately my sunroof was still stuck.

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2008 BMW 335i Coupe

I simple greened all the vinyl in mine but until I get that leak fixed I'm not going to clean any of the carpet like that. Actually I do remember the storms, but my cars are almost always parked indoors.

See that is why you leave that carpet out. Now my interior just smells, kind of wet!

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Jeff M.
Mercedes W123 DIY pages are now located here.
1983 / 1984 300D Sold
2000 CLK430 Cabriolet ~58k Sold
2005 Avalanche 4x4 ~66k

You stole that from me

When I had my lake, I pulled the carpets and didn't put them back in until the car was completely dry. I think I waited a couple of weeks, but I wanted to be thorough. I also didn't have a dehumidifier...