How to re-program Keyless Go with the car? - Mercedes-Benz Forum

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post #1 of 4 (permalink) Old 09-24-2007, 02:01 AM Thread Starter
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Vehicle: 2003 CL600
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How to re-program Keyless Go with the car?

The batteries on my keyless go card died, and I just replaced them.

Now it won't unlock or lock the car. Seems that I have to re-program to the car again.

Anyone knows how?

Anyway, this is for my 03 CL.
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post #2 of 4 (permalink) Old 02-14-2008, 08:21 AM
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i'm also looking for a way to reprogram my cls500 keyless go i xhanged the key and it doesn't work anymore
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post #3 of 4 (permalink) Old 02-14-2008, 06:43 PM
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Only the keys up to 2000 were user programmable.
How-come battery on 2003 died, since our 10-years old batteries still work?
Anyway, since I never had to do it, from my memory after battery changing you need to synchronize the key, not to program it.
After all household remedies fail >>>>> read the manual.
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post #4 of 4 (permalink) Old 02-15-2008, 02:10 PM
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