Mercedes W202 remote key not working

The remote key of my Merc W202 1996 C180, does not lock and unlock the doors anymore. The car starts, though.

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CarCarePros made a comment.
1 year ago

Is the key shell damaged? If it is, there is a good chance that the buttons are damaged as well. Also have you checked to see if the doors look with the central button?

 
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Boetabais made a comment.
1 year ago

The central lock button still works fine, the remote was tested by MB here, and certified as working. The vehicle does not communicate with the remote

 

 

 
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CarCarePros made a comment.
1 year ago

Do you have a second key to test? The reason why I ask is that the circuit of the key responsible for unlocking the car can be damaged. Even if your car starts fine.

 

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