M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Battery question

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Old Jan 17, 2010 | 05:16 PM
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2010 ML550, 2010 E350 4M, 1966 Corvette Convt C2
Battery question

The 06 ML500 I had had 2 batteries one main and one aux, both under the pass seat. Does my new 2010 ML 550 have the same set up or just a single main battery. Reason for my asking is that my new E Class 350 4M has only one battery and the last one an 05 E320 had the main in the trunk and the aux under the hood. Anyone with a 2010 know??
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Old Jan 18, 2010 | 09:50 AM
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'09 ML550
The Owners Manual refers only to "the" battery, the one under the passenger seat.
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Old Jan 18, 2010 | 09:51 AM
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Originally Posted by roadrutz
The Owners Manual refers only to "the" battery, the one under the passenger seat.
Yes but as I recall the 06 manual refered to the battery in the same way and it had 2 under tha pass seat.
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Old Jan 18, 2010 | 04:23 PM
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Sosh, I am 99% sure that I heard my service manager comment that my 2009 ML350 has two batteries, I am sure yours does as well.
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Old Jan 19, 2010 | 11:26 AM
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Aux battery went away on E-class because SBC braking went away.
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Old Jan 19, 2010 | 12:50 PM
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Originally Posted by lkchris
Aux battery went away on E-class because SBC braking went away.
Do not doubt you but then can you explain why my 06 ML500 and I believe my 10 ML550 have 2 batteries as they do not have SBC braking?????
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Old Jan 20, 2010 | 10:26 AM
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I don't want to keep harping on about the Owner's Manual, but it devotes eight pages to the battery, including detailed instructions on removing and reinstalling "the" battery, with a number of diagrams and photos, and nowhere is there any mention of or picture of or diagram of a second battery of any kind.
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Old Jan 20, 2010 | 10:34 AM
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Originally Posted by roadrutz
I don't want to keep harping on about the Owner's Manual, but it devotes eight pages to the battery, including detailed instructions on removing and reinstalling "the" battery, with a number of diagrams and photos, and nowhere is there any mention of or picture of or diagram of a second battery of any kind.
Understand your harping on the manual. However the 06 ML500 I had as I posted earlier on this thread also had no mention or diagrams of a second battery but it did have it and it was there. I sometimes question the contents of the manuals or the lack of content.
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