GL Class (X166) 2013-2015 after facelift became GLS (X166)

Aux Battery

Old 03-06-2017, 04:39 PM
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'13 GL450
Aux Battery

So the battery light just came on. It displayed (red) in the middle info screen (where digital speed displays) and not where the tach is. After about a minute it shut down the command center (navi). I am assuming that this is the auxiliary battery? My question is, has anyone had any experience replacing this battery and if so, is it easy or should I have a shop do it?
Old 03-06-2017, 07:48 PM
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'13 GL450
Update

So maybe it is the battery.... I drove for a bit and when i reached home I parked as usual. 10 minutes later i tried to start it and nothing. All the lights came on but it would not turn over. I tried taking the keyless button off and still nothing. I also noticed that the brake seems to be stuck (not allowing me to press in any further)....any ideas or help would be greatly appreciated... so frustrated right now!!

Vehicle Data Reads: 11.2V
-7.6A

Last edited by NLYTN; 03-06-2017 at 08:10 PM.
Old 03-06-2017, 08:14 PM
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2003 CL 600
The battery light coming on while it was running means the alternator wasn't charging. Get it checked out and see why.

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