C36 AMG, C43 AMG (W202) 1995 - 2000

Found Surface Rust On/Around My Battery Tray

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Old 04-17-2018, 08:03 PM
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1998 C43 AMG
Found Surface Rust On/Around My Battery Tray

My car has been parked outside and after a recent storm, I took out the trunk carpet in preparation for cleaning and found water and light rust around the batter tray? However, I couldn't source the leak?

This happened during an extreme cold spell, so I'm guessing that ice had formed along the rear trunk lid and dripped onto the carpet/spare tire well/battery tray. But, as I mentioned, I couldn't pinpoint the actual source of entry.

BTW, CHECK YOUR SPARE TIRE PRESSURE! Mine was at zero.
Old 04-17-2018, 08:09 PM
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1999 AMG C43
probably battery leaking or spilled
Old 04-18-2018, 02:36 AM
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2004 E55
Originally Posted by mickey13
probably battery leaking or spilled
This. Unless you're running an AGM battery.
If it is an acid battery, where is the vent tube running?
Old 04-22-2018, 12:14 AM
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Hhhmmm, never thought of this (leaking battery). However, it is an Interstate battery, sans vent tube. I thought the issue might be a clogged rain/drain tube.
Old 04-22-2018, 12:23 AM
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Mods, please delete (double post)

Last edited by JohnnyRock; 08-22-2018 at 02:52 PM.

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