I hvae a 1998 SL560 and all of a sudden the trunk oprens by itself the same with the windows and the alarm system goes off when I open the door. $2k later the dealer cant find anything wrong?

Asked by Mar 29, 2012 at 05:01 PM about the 1998 Mercedes-Benz SL-Class

Question type: Maintenance & Repair

1 Answer

185

I had a similar problem on earlier model SL500, particularly with the alarm. Turns out it was the battery having a low charge. The charge was sufficient to start the car, but for some reason was low enough to create a problem with some of the electronics, including the alarm. Changed out the 5 yr old battery & no problem since. (Still keep my fingers crossed though!)

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