To reprogram the key fob for a 2002 Mercedes, first, ensure you have all the keys you want to program. Insert the key into the ignition and turn it to the "On" position without starting the engine. Press and hold the "Lock" button on the key fob for about 5 seconds, then release it. Turn the ignition off and remove the key; the fob should now be reprogrammed. If you have multiple fobs, repeat the process for each one.
No
To reprogram a Mercedes Vito key fob, first, ensure that all doors are closed and the vehicle is in the "off" position. Insert the key into the ignition and turn it to the "on" position without starting the engine. Press and hold the unlock button on the key fob for approximately 5 seconds, then release it and press the lock button once. Turn the ignition back to the "off" position, and your key fob should be successfully reprogrammed. If this does not work, consult your vehicle's manual or a professional locksmith for assistance.
get a new one :I lol
To reprogram a key fob for a Mercedes, first, ensure you're inside the vehicle with all doors closed. Insert the key into the ignition and turn it to the "On" position without starting the engine. Press and hold the "Unlock" button on the key fob for about five seconds, then press the "Lock" button while still holding "Unlock." Release both buttons to complete the reprogramming process. If unsuccessful, consult your owner’s manual or a dealership for assistance.
To reset a 2006 Mercedes C-Class key fob, first, insert the key into the ignition and turn it to the “On” position without starting the engine. Press the “Unlock” button on the key fob for about 5 seconds, then release it. Turn the key back to the “Off” position, remove it, and then test the key fob to see if it functions properly. If it still doesn't work, you may need to replace the battery or reprogram the fob.
what answer!
how to reset remote key fob for Mercedes SL 320
$250 @ MB according to forum
C200 key fob problem
I may not be right but try holding down your lock button until the doors lock?
You normally do not have to reprogram the key when you replace the battery. If you do you will have to contact your VW dealer.
You'll probably need to have this done at a dealership.