Jun 4, 2015, 08:14 PM
Last edit by: IB Advertising
See related guides and technical advice from our community experts:
- Mercedes Benz E Class How to Replace Auxiliary Battery
Step by step instructions for do-it-yourself repairs
2010 E350 (W212) Aux Battery Replacement
Senior Member
Joined: Jul 2003
Posts: 380
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From: So Cal
2003 C230
Junior Member
Joined: Dec 2013
Posts: 29
Likes: 1
From: Minneapolis, MN
2010 E350
Senior Member
Joined: Jul 2003
Posts: 380
Likes: 5
From: So Cal
2003 C230
My brother just replaced his from local MB parts.
part number N000000004039
Big Time Battery has a listing under Newegg for $12.99
http://www.newegg.com/Product/Produc...4278-_-Product
That is a good price if it lasts.
part number N000000004039
Big Time Battery has a listing under Newegg for $12.99
http://www.newegg.com/Product/Produc...4278-_-Product
That is a good price if it lasts.
Last edited by Taiwanese; Feb 16, 2015 at 11:03 AM. Reason: add more info
MBWorld Fanatic!
Joined: Apr 2013
Posts: 1,506
Likes: 66
From: Sidney, BC
2009 SLK55 AMG. & 2022 GLA250 4Matic
This indicates that the second battery is specific to the models named right?
My 2011 E350 4Matic Wagon with the 272 engine no ECO S/S has only one battery from what I have been told by me dealer parts guy who is pretty well informed.
My 2011 E350 4Matic Wagon with the 272 engine no ECO S/S has only one battery from what I have been told by me dealer parts guy who is pretty well informed.
Out Of Control!!
Joined: Jul 2003
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From: North Scottsdale, AZ
'71 Pinto
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Joined: Jul 2003
Posts: 380
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From: So Cal
2003 C230
Newbie
Joined: Feb 2014
Posts: 1
Likes: 0
s class
anyone know the function of the Auxiliary battery on the 2010 E550?
can someone please tell me what the auxillary battery on the E550 does. i have noticed that my Air condition is not working even after topping up on the Air condition gas. The dashboard says Auxiliary battery malfuncion and i am wondering whether the Air condition's inability to function has anthing to do with the battery.
Newbie
Joined: May 2011
Posts: 4
Likes: 0
E350
2010 E350 Auxiliary Battery Malfunction
I installed the new auxiliary battery I bought from Newegg for my 2010 E350 but the "Auxiliary Battery Malfunction" still shows up. Any ideas how fix this problem?
Thanks for any help.
Thanks for any help.
Newbie
Joined: Mar 2015
Posts: 1
Likes: 0
2011 E350
Help!
Hello, I am a tad bit late to this but with my search this is the only useful information I've gotten regarding this issue! I also am getting a "auxiliary battery malfunction" light on my 2011 E350 and have purchased a new one, (http://www.ebay.com/itm/190716744381...S:1123&vxp=mtr) used the pdf. provided to install it but when we got in there the batteries were two different sizes. Can anyone provide me with a part number or picture as to what I am supposed to have?? Anything would help greatly as I've kinda been ignoring this issue and need not to!
Junior Member
Joined: Jan 2016
Posts: 56
Likes: 14
2003 E320
Thank you all for your valuable feedback. Replacing the auxiliary battery isn't hard but it looks like difficult for some who don't work on cars very often. The instructions that were provided on post $8 aren't that helpful in my opinion. I found these instructions that show you step by step with pictures and videos on how to replace the auxiliary battery on an E Class. There is also a list of aftermarket batteries that will fit.
Here is the link if anyone in the future needs help.
http://www.mercedesmedic.com/diy_aux...-instructions/
Here is the link if anyone in the future needs help.
http://www.mercedesmedic.com/diy_aux...-instructions/
Member
Joined: Apr 2015
Posts: 177
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C207
Junior Member
Joined: Dec 2012
Posts: 32
Likes: 4
2012 E350 Sedan, 2007 Ford GT500
Thanks for the posts; they provided good information that allowed me to change the Aux battery in my 2012 E350 in about 10 minutes. I ordered the PowerStar battery from New Egg for $12.99. The PowerStar battery is a bit taller and narrower, but seemed to fit fine in the bracket. Here are a few photos showing the access panels and the two batteries side by side. The garage door remote codes were unaffected after replacing the battery.
Last edited by Six_Speed; Oct 1, 2016 at 11:32 PM.
Member
Joined: May 2007
Posts: 95
Likes: 1
From: Los Angeles
E350 Sedan, P2, Driver's Assist, Panorama roof
I just did this too and GrgeTR's instructions were right on target. Thanks Greg. I also bought the New Egg battery. The size was close enough to fit just fine... One thing though, I didn't end up doing step 4 and just left the brackets connected while I replaced the battery (I couldn't get them to unsnap).
Also, all the other posts on thread about the location of the main battery threw me off for a while. I wish people would have kept this threat on subject, which is the replacement of the auxiliary battery. NOT the main battery.
Also, all the other posts on thread about the location of the main battery threw me off for a while. I wish people would have kept this threat on subject, which is the replacement of the auxiliary battery. NOT the main battery.
Senior Member
Joined: Sep 2004
Posts: 485
Likes: 2
W212 & W210
I just did this today.
All the instructions were helpful but just to add a few things from my experience,
You need to remove the 3 torx screws from the under dash plastic trim before you start yanking on the plastic.
Once you pull it down, there is the cable that connects to the hood release.
I didn't see a way to unhook or detach the cable so I left it on and squeezed my arm in to get to the battery.
You must unbolt #5 to release the battery bracket that holds the battery.
Hope that helps the next person who needs to do this DIY.
All the instructions were helpful but just to add a few things from my experience,
You need to remove the 3 torx screws from the under dash plastic trim before you start yanking on the plastic.
Once you pull it down, there is the cable that connects to the hood release.
I didn't see a way to unhook or detach the cable so I left it on and squeezed my arm in to get to the battery.
You must unbolt #5 to release the battery bracket that holds the battery.
Hope that helps the next person who needs to do this DIY.
MBWorld Fanatic!
Joined: Nov 2009
Posts: 2,616
Likes: 160
From: Southeastern USA
2010 E350 Luxury Sedan, Engine 272 (V6)
Why does MB/DAG make things so hard? The cabin filter is another one. I have done DIY in past on Asian and American cars and never as complicated as MB.
Not sure, but I think you can get the battery from Adavanced Auto, but they will not install it. They will install the main or "starter" battery free of charge.
Not sure, but I think you can get the battery from Adavanced Auto, but they will not install it. They will install the main or "starter" battery free of charge.
