BenzWorld Junior Member
Date registered: Nov 2002
Location: Soviet Republik of MB-BOB
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Glenda, the dealers don't seem to generally be very competent in diagnosing problems lik...
Glenda, the dealers don't seem to generally be very competent in diagnosing problems like this.
One thing that is happening with these keys is a weak contact spring with the battery. This can easily be fixed by YOU and will more likely than not solve your problem.
Open the key to get to the battery (look in your owner's manual for instructions). When you see the battery, you will see a thin, straight contact bar holding it in. If you lift the contact bar, and gently bend it so the middle of the bar contacts the middle of the battery more firmly, you likely will solve your problem.
I was in line at the parts counter one day and a lady came in with a "dead" key. The parts guy took out the battery, put in a new one, still didn't work (the red light didn't light up). He put the old battery back in and pronounced the key dead. Had to order new ones, come back for reprogramming, etc.
I took her key, and in 30 seconds bent the contact a little, put it back together and it worked fine. She went away happy!
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