Changing the starter battery

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Old Nov 12, 2020 | 11:57 AM
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Bernardy's Avatar
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Mercedes S Coupe, Porsche Macan
Changing the starter battery

Hi,

I have to change my starter battery in my s coupe. Does anyone have instructions as to how to do it or should I take it to the dealer?

Thanks
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Old Nov 12, 2020 | 12:48 PM
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as I understand, it will set off codes. I dont know anything else. You might try it. Unlock the doors with your key. go put the key 30-50- ft away. Let the car sit for a while, 30min. then change it. dont touch anything else in the process. See what happens.
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Old Nov 13, 2020 | 10:17 AM
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Originally Posted by okbarnett
as I understand, it will set off codes. I dont know anything else. You might try it. Unlock the doors with your key. go put the key 30-50- ft away. Let the car sit for a while, 30min. then change it. dont touch anything else in the process. See what happens.
It’s like any other battery change. Put 12v source on remote terminals under the hood on passenger side, remove trunk rear partition, remove positive and negative battery cables, negative cable first first, remove and replace battery. Remove 12 v source under hood. The hardest part is wrestling with the 50+ pound batteries.
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Old Dec 1, 2020 | 02:27 PM
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