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Old 02-17-2001, 09:06 AM
E220 estate
Posts: n/a
E220 Estate, 1994
Rainwater leaks into the cargo area at the rear of the car when it is stationary (not on the move).
The main dealer has tried seven times to correct the problem, without success.
It appears to be getting in through the back door, only the carpet/sill area at the bottom of the door gets wet. All the door and window seals have been replaced, and the wiper motor and all other places where rainwater can get in have been re-sealed.
Has anyone else had this problem, or does anyone have the answer?
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Old 02-17-2001, 10:31 AM
ymsin's Avatar
Driver, Mercedes-Benz
Join Date: Feb 2001
Location: Malaysia
Posts: 1,645
My experience was to run a water test : generously spray water around the car and then check for leaks into the cabin from any possible gaps, i.e. door, rubber linings, etc.

I did the same for the 300se when the back was almost becoming a swimming pool only to discover that the rear light covers were faulty as water was running through it. My assumption that it was going through the rubber linings were naturally unfounded.

My dad's 260e had water leaks coming in from the rear window sill - which I believe to be the cause of the rubber lining. I can't fix that - so the expert would have to take the rear glass down and reseal the rubber (without having to crack the glass).

Best bet is to look for any possible water marks.

Do let us know of your progress.

ps. The Chinese culture believe that water flowing into your car may indicate good fortune coming in!
... Kerry

126 tailed by a 203, 129 leading the pack.
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Old 02-18-2001, 01:17 AM
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Just corrected my h20 problem

I found out that my water leak was coming around the gas cap area. There is a small drainage hole but, that wasn't the main problem. Plugged with a rubber stopper nonetheless. It was coming thru the metal seams around the gas cap area. Poured a cup of water in that area and sure enough. That was the problem. Put some silicone and resolved the problem. I also checked the drainage holes of the sunroof. There were four of them but, they were ok. Also, I put some silicone around the rubgber grommets of the wheel well. I think there were like 6-10 of them. Don't exactly remember. I also put some undercoating spray around the wheel wells because, I noticed over 13 years of having the car. Some of it came off and could see the bare metal. Do a water spray down test around the gas cap, sunroof(on the outside of the sunroof rails-4 total-each corner of sunroof), wheel well area, spare wheel area, and get the windows again. They might've installed wrong. Also, look around the trunk lid weatherstripping area. Try testing that area also. BTW, I have a '87 560 SEL for reference. Hope you find the leak soon. It's still Winter. One more thing, if there is noticable water coming in. It is most likely coming from the top or side of the car than, the bottom. It also depends where it is leaking in the trunk. Mine was leaking on the very edges of the wheel well inside of the trunk and leading to the bottom passenger-side corner. Hope you find the problem.
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Old 02-18-2001, 01:23 AM
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Read your post again. Sorry, I thought when you meant cargo area. I thought it was the trunk. Check the sunroof rainage points and the engine drainage areas. I know, I know, what does the engine drainage areas have to do with it? Check this forum. There was some reference into the same problem as yours but, it had soemthing to do with the drainage passages in the engine area. Hope you find the leak soon.
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