Mechanics

CAR BATTERY

1995 Mercedes Benz C230

Electrical problem
1995 Mercedes Benz C230 Engine Size unknown Two Wheel Drive Automatic 70000 miles

I have recently bought a new battery, but when I don't use my car for two-three days, the battery goes flat and I have to jump start it. What is the problem?
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Ajmallatif
February 21, 2008.



Check the obvious first, make sure there are no accessories or interior lamps staying on. Especially the glove box which is often overlooked. Also check the trunk lamp, if the trunk lid contact is staying open the red indicator on the release button will remain lit.

Beyond that you'll need at minimum an ammeter/multimeter to see the actual amount of current draw, then you can start systematically opening circuits until you see the draw go down.

Tiny
Mrrobb
Feb 28, 2008.