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Old 10-21-2016, 01:39 PM
jcyuhn jcyuhn is online now
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Join Date: Jun 2000
Location: Plano, TX
Posts: 2,578
Quote:
Originally Posted by NH82W123 View Post
That's not my experience, but who knows...
That information is from the w211 service manual.

Quote:
Originally Posted by alipak View Post
jcyuhn: You may be right tonight it will get into 50's so I might see the sign in the morning.

Going back to original note can I just put the charger and charge the main battery without disconnecting Main Battery or Auxiliary battery? I wanted to see if I can get past one more winter out of it, as the car is driven so little. If worst scenario comes I will call Plano MB for replacement battery (I am in Far North Dallas).
Yup, just connect your trickle charger / battery conditioner to the main battery in the trunk.

Assuming my memory isn't totally shot, the main battery is a size H8 AGM. H8 is essentially the AGM equivalent of a group 49. You can buy these anywhere nowadays, every auto parts place will stock them, so shop around.
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