2012 CLS 550 Auxiliary Battery Location

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Old Sep 28, 2017 | 02:50 PM
  #1  
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CLS 550 - MY 2012
Question 2012 CLS 550 Auxiliary Battery Location

Hi,
i was searching the forum and found one instructions file (attached) shows that the auxiliary battery is located in the trunk, but i couldn't find it there
pic of my trunk also attached.
Attached Thumbnails 2012 CLS 550 Auxiliary Battery Location-img_20170928_204518.jpg  
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Old Sep 29, 2017 | 06:24 AM
  #2  
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CLS 550 - MY 2012
Exclamation

Does my car have 3 batteries
i came across this website
http://mb-teilekatalog.info/view_Sub...=54&subgrp=030

it shoes 3 batteries in the diagram, #10, #400, #500
parts # are A0009822108, N000000004039, A2115410001
what's the function of the each one?
Attached Thumbnails 2012 CLS 550 Auxiliary Battery Location-b54030000487.140212.png  
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Old Sep 29, 2017 | 08:21 AM
  #3  
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2013 Mercedes CLS550 RWD
Man I've gone nuts trying to find it myself. When I was checking out a 2012 CLS63 out to buy, I saw it right where you're pliers are. But in CLS550 I never found it.
I believe either we don't have it because CLS63 had a start/stop eco mode that the trunk battery is used for and our 2012/2013 model CLS550 don't have that option or its somewhere we cannot see without removing some parts.
Someone please put this investigation to rest !
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Old Sep 29, 2017 | 11:03 AM
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MY12/13 has starter battery (engine compartment) & transmission shift backup battery (dash). Post or PM VIN I will confirm if you want.
Attached Files
File Type: pdf
additional battery - B03.pdf (260.5 KB, 2079 views)
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Old Sep 30, 2017 | 01:57 AM
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CLS 550 - MY 2012
Originally Posted by konigstiger
MY12/13 has starter battery (engine compartment) & transmission shift backup battery (dash). Post or PM VIN I will confirm if you want.
so it doesn't have 3 batterie?
my VIN info is attached
Attached Files
File Type: pdf
My Merc WDDLJ9BB6CA046384.pdf (49.5 KB, 798 views)
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Old Sep 30, 2017 | 01:47 PM
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Originally Posted by dodi_q8
so it doesn't have 3 batterie?
2 batteries, aux is located in dash as explained above. You do not have ECO (B03) therefore, no battery in trunk.
Attached Thumbnails 2012 CLS 550 Auxiliary Battery Location-capture.jpg  
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Old Dec 5, 2019 | 12:29 PM
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2013 CLS550
Is it in the same location in a 2013 cls550?
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Old Dec 5, 2019 | 12:47 PM
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Yes, in dash: https://mbworld.org/forums/cls-coupe...ml#post7274958
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Old Dec 5, 2019 | 01:06 PM
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2013 CLS550
Thanks I finally found it
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Old Nov 16, 2023 | 10:18 AM
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2012 CLS550 4 matic
VIN

Originally Posted by konigstiger
MY12/13 has starter battery (engine compartment) & transmission shift backup battery (dash). Post or PM VIN I will confirm if you want.

Hello, I see you're able to run the VIN for the builds. Could you assist me? New to MB world. Thank you. VIN: WDDLJ9BB0CA027085
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Old Nov 16, 2023 | 03:37 PM
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Originally Posted by millercas2003
Hello, I see you're able to run the VIN for the builds. Could you assist me? New to MB world. Thank you. VIN: WDDLJ9BB0CA027085
https://www.lastvin.com/vin/xNb8kEQ9VNBERZ4yo

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Old Nov 16, 2023 | 03:45 PM
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2012 CLS550 4 matic
THANK YOU!!!!
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