why is battery light still on?

Asked by John May 03, 2018 at 11:12 PM about the 2007 Mercedes-Benz R-Class R 500 4MATIC

Question type: Maintenance & Repair

After replacing the battery, alternator, and small 12v battery the battery light is
still on.

1 Answer
9,725

brotherben answered 6 years ago

Check your voltage regulator and if that doesn't help, it might be a faulty battery warning.

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