C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

Where is the 2nd battery 2012 w204 ?

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Old Dec 26, 2017 | 07:23 PM
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CNIDog's Avatar
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2012 C350 4matic
Question Where is the 2nd battery 2012 w204 ?

Main battery is in engine compartment on passenger side under cabin air intake. Nothing in trunk.

Where is the 2nd battery?

It's a 2012 c350 4matic 4dr sedan with sport pkg.

Funny thing, this one has only one engine air filter housing on the passenger side of the v6 engine. All the pics I've seen show two air filters on either side on top of engine. What engine option is this?
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Old Dec 27, 2017 | 04:40 AM
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alecmascot's Avatar
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From: Newcastle Upon Tyne
W204 C220CDI 2011
Originally Posted by CNIDog
What engine option is this?
As you have the car in question, What engine type is it ? M???
Or post your VIN. :-))
Why do you think there should be a second battery ?
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Old Dec 27, 2017 | 11:37 AM
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Colin G's Avatar
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From: Regina SK
2008 C-230 4Matic Sport
No 2nd battery.
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Old Dec 28, 2017 | 05:16 AM
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From: The Netherlands
2011 W204 Avantgarde bussiness edition
2nd battery only wen car has start/stop system
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Old Dec 28, 2017 | 08:29 AM
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2012 C350 4matic
Got it. I was reading all kinds of stuff that was confusing me. We have the Canadian edition of the C350 4matic with the M276 Blue Efficiency engine. Love it. Sport suspension pkg. Only wish they had a wagon version in the C-class.
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