ML63 AMG (W166) 2011 -2015 (Replaced by GLE63)

2015 ML63 lost power

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Old 09-20-2019, 11:05 PM
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2015 ML63 lost power

Hi guys, long sorry in short, I have a ML63 and it lost power on the high way while on cruise control. Towed it back to the MB dealership and found water in the boot. 10 hours of diagnosing later, the control module was found to be faulty and they suspect water had gone through the bumper and went back into the boot through some random seal (please see the attached picture) and filled up the boot with rain water. I would say it’s gonna be at least 3cm deep to reach where the control module was. The fix is claimed to be a warranty issue and they will replace the module and improve the seal.


The guys at the MB workshop said they suspected that the white silicone seal bits didn’t work properly and somehow water had gone through and went back into the boot.

Water suspected coming in from the left side.

The control module sits high near the black round looking object, so a significant amount of water had filled up the boot in order to reach it.

This is damaged control module


Thanks!!

Has anyone had this issue before? Or heard of it? To me, losing power is a big concern and looking for your ideas/advice as how I should deal with this?
Old 09-21-2019, 12:58 AM
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Believe I recall the recall about water leaking in but never heard of it actually happening.
Old 09-22-2019, 06:09 PM
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2002 ML 320 & 2006 ML500
The tail lamp seals have been defective since 2006 and they didn't issue a recall but then decided to issue one for 2009-2010 MLs.
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Old 09-22-2019, 07:54 PM
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Seems like it would need a heck of a lot of water. You didn't hear any sloshing around?

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