battery dies every three days

Asked by Sep 04, 2013 at 09:52 AM about the Mercedes-Benz M-Class

Question type: Maintenance & Repair

What is killing my battery I have Aa 2000 Mercedes.clk everything works good I just
don't know what going on with. My battery and the battery is new

2 Answers

155

bad batteries usually can't hold a charge but, now, if the alternator is not charging it then, yeah. Those are the 2 possible reasons for your situation. Take the battery to get tested at an auto parts store and if ti's not the battery then, it's the alternator. You can also drive the vehicle to a shop and they can test both of them, without removing anything.

155

You've also posted a CLK question under ML section. This is a Universal question though.

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