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1352 Views 2 Replies 3 Participants Last post by  lippens
Doing some research on changing the batteries out on my 2004 E500.

1 – Is it worth taking to dealer to just get batteries changed out?
2 – looking for DIY battery changes…any tips?

My battery light comes on and tells me to take to shop, I'm thinking I will need to change out the batteries?
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Get an MCR check before replacing the battery(s). You may have a faulty charging system.

The MCR will tell you the condition of the cells, if you have a bad battery replace it. I would urge you to stick with the OEM battery (AGM) since these will be of the proper Ah rating for your car. Ah is a big deal on these vehicles more so than CCA's which is borderline meaningless.
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