M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Water has leaked into my firewall?

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Old May 13, 2010 | 01:09 PM
  #1  
jwalther's Avatar
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From: Lexington, KY
Water has leaked into my firewall?

Has anyone ever experienced this? During the recent torrential rains, water apparently ran through a crack in the weld seam near the passenger side hood hinge, and found its way into a cavity in the firewall rougly in the passenger side footwell. The water very audibly sloshes around. My indy has never seen anything like it, and the dealer has had one ML with this issue. They seem to think the only solution is to remove the front quarter panel on the passenger side, locate the spot on the firewall where the water is likely to be, and drill a hole to release the water.

Any thoughts?
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Old May 13, 2010 | 06:03 PM
  #2  
Benzo 003's Avatar
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From: Chicagoland
2008 ML350 4matic
search the threads....this has been somewhat common....it's an easy fix.

https://mbworld.org/forums/m-class-w163/31443-leak.html

https://mbworld.org/forums/m-class-w...ater-leak.html

Last edited by Benzo 003; May 13, 2010 at 06:12 PM.
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Old May 17, 2010 | 05:02 PM
  #3  
Durex's Avatar
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I hAD same problem .... check sunroof drains ... the upper hose come out and it was leaking...........
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