Something is draining my battery

May 26, 2009 | 07:32 PM

eazye1973

Thread Starter

Newbie

Joined: Nov 2008

Posts: 4

Likes: 0

1997 MB E420

Something is draining my battery

Hello,

Something is draining my battery and am hoping someone can help me figure out the culprit. Started about 2 months ago, woke up one day and the battery was totally dead. Thought the battery was bad so I went ahead and bought a new battery. Starts right up and runs great but the next morning the new battery is totally drained! I recharged it but again the next day the battery was totally drained again. I have since replaced the voltage regulator but did not sove the problem. I had taken fuse #9 and it seems to be holding charge but when I put it back it starts to drain it. Anyone know what the problem might be?

Thanks!
Ed

Last edited by eazye1973; May 26, 2009 at 07:34 PM. Reason: forgot to add car type

May 26, 2009 | 07:34 PM

eazye1973

Thread Starter

Newbie

Joined: Nov 2008

Posts: 4

Likes: 0

1997 MB E420

BTW i have a 1989 300E.

May 26, 2009 | 08:19 PM

ps2cho

MBWorld Fanatic!

Joined: Apr 2007

Posts: 2,381

Likes: 29

Well what does fuse #9 control? It should be easy to figure out if you are sure taking fuse #9 out stops it draining.

May 28, 2009 | 02:15 PM

Mosselmann

Member

Joined: Jun 2007

Posts: 75

Likes: 0

From: UK

W124

have you fitted a radio recently? i had this problem then i bypassed the ignition switch. I wired it so radio would work with no key in - to find it drained my battery

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