Axillary battery...where is it?
03-09-2017, 09:58 PM
#1
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W211 AMG
Axillary battery...where is it?
No problem with my current batteries, but since it's 2017 and this is a 2008 e350 I have...im thinking to replace my starter and axillary batteries before they start giving me problems. Does anyone know where the Axillary battery is located?
thanks
thanks
03-10-2017, 01:03 AM
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2008 E350 4Matic, 2011 E350 4matic
The 2008 doesn't have an aux battery. Only cars up to 2006 had them. And starting in 2010 they had them. The aux battery was for SBC which we don't have. I would just get your battery load tested at an auto parts store. Mine is also original. I look at the battery display once in a while and the voltage is still fine. Switch to temperature display when the car is off and hit the reset button 3 times and it will display the voltage. AGM batteries last longer than regular batteries especially if you're in a colder climate.
03-10-2017, 05:13 PM
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that's odd, I have aux battery in mine, mine is 09 E350 sport and it located under my cabin filter, sitting above the washer reservoir bottle.
03-10-2017, 05:16 PM
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2008 E350 4Matic, 2011 E350 4matic
Are you sure it's a battery? What's the voltage and part number? They only used it for SBC up to 2006 and in 2010 it was in the dash for the electronic shifter. Then there was one in 2014 for the eco mode.
