I have 1998 E320 which the computer has no communication with the car. I had the computer checked by a company in Georgia and they found nothing wrong with it. I have checked all the fuses and do not know what systems would cause the lack of computer /car communication. The door/trunk lid will not operate with the key fob. The lights,steering wheel lock, air condition fans and sun roof do work. The radio code has to be reset everytime I try to start the car. The starter will not crank and the shifter will only go into park,reverse and neutral. Please if anyone can tell me what systems would cause this failure to communicate I could start going through them. Thanks Keith