Cannot be reprogrammed. Each key fob is set at factory for each vehicle. The is a key 1 or a and a key 2 or b. You must take car to dealer to have them tell you which key you have in order to order the matching fob. Otherwise if you order you could get the same as you have and then it is canceled and you are back to only one key. Also for the life of a Mercedes a total of apprx. 12 keys can be made before the computer system has to be replaced. So long story short you have to go to dealer to get new key fob.
You have to reprogramme the motor's ECU.
Bring all keys and FOBs to dealership.
The Mercedes keys will.
Call the Mercedes dealership and have proof of identity.
The only way to remove the keys locked in a Mercedes C200 2010 is to take the backseat out or call a locksmith.
You can refer to the user manual if you want to reprogramme Audi A4 key.
Ebay
most locksmiths will change them for you :)
bought a second hand card key for laguna 2001 to reprogramme the key for my car what do i do
Vectra B Switch ignition on programming mode active for 30 seconds press lock or unlock button Central locking system operates to indicate confirmation New keys can only be programmed by using diagnostic equipment.
two key............
The batteries in these keys are not rechargeable. They are replaceable.