how can i fix my 1996 C180 mercedes estate?

having problems with the immobilzer, just changed key fob over central locking is working but unable to free the immoblizer. re set key but to no avail please help
model C180 estate 1996
bob, January 2011


done
Seem to recall that there use to be issues with the receiver / red green light system built in to the rear view mirror. If you have the hand book it does explain the sequence to reset and sometimes took more than one attempt

Maurice, January 2011
link Click here to see other fixes for Mercedes C180.