91 e300te 4matic I just got done doing the headgasket and replacing the thermostat and v belt. My temp gauge on the instrument panel does not register at all. I tried to do a search and came up with nothing concerning the temp gauge not working. Car seems to be running very hot and have not driven since gasket due to not going to risk overheating and warpage. I did check fuses and they are all good. Thanks for your help