Originally Posted by Doc78

I think we are losing the point of the post here. The Mercedes key fob electronics that Sdawson789 is trying to use very possibly is different than the Chrysler key. The frequencies that it transmits for the lock/unlock and panic buttons look to be out of the spectrum that the Crossfire is looking for. My suggestion is that he get a new key from SOS, Needswings, or Chrysler.