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Old 08-08-2009, 03:16 PM
Registered User
Join Date: Apr 2008
Location: Richmond VA
Posts: 202
Water leaks into the front passenger compartment

I didn't realize that I had a serious leak until I did some vacuum line work and took the front carpet out - the sponge backing under the carpet was totally saturated. I have noticed that the car seems humid inside on a hot day...

I was able to replicate the water in-flow by running a hose into various spots at the corner of the window. Lots of rust fragments from a badly rusted battery tray had clogged up the drains - so I cleaned it all up and used marine silicone to coat the walls of the engine bay in that area.

Still leaks - water flow is much better and it does seem to run freely down and out under the car. The passenger footwell still gets very wet though.

I was thinking I might try feeding a rubber hose down the drain and sealing it at the top under the battery tray...

Has anyone tried this or had the same problem; What size hose would work? What length hose would I need?

...or can anyone offer an alternative?

Simon Shearer

1986 420SEL

2000 Porsche 911 Millenium Edition Carrera 4
2010 Lexus RX 350
2002 Kia Rio
2002 Hyundai Accent
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Old 08-08-2009, 05:09 PM
Jeremy5848's Avatar
Registered Biodiesel User
Join Date: Mar 2006
Location: Sonoma Wine Country
Posts: 8,394
Rust in and under the battery tray, spreading from there into the firewall and related parts of the body is a common Mercedes problem (we are speaking of one of your Benzes and not the Yamaha, right?). A true solution involves serious body work or so I have heard. You might try searching this forum using keywords like "battery" and "rust" to see what others have done.


"Buster" in the '95

Our all-biodiesel family
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