no heat in my 500 sec
10-11-2013, 01:27 AM
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mercedes 500 sec
no heat in my 500 sec
How the problem appears
Start the car with the heat on the climate control wheel is on red the ec or normal or up/down button. Thermostat is fine and new 80C MB original unit. when the car gets hot there is no heat at all. Restart the car the heat is instantly back. Backup to over 2000 RPM heat dies and stays dead. All this is with the heat control valve on MAX or 26C. Turn the heat control valve back to white or blue the heat turns off as it should. However, turn it back to red the heat does not restart EVER. Turn the engine off and on again heat is back and stays for about 1 min. Rad flushed out. When you drive it the same symtpoms. park the car switch engine on and off revs below 2000 heat back on. What the hell is going on?
monovalve is been fixed with repair kit.....
Start the car with the heat on the climate control wheel is on red the ec or normal or up/down button. Thermostat is fine and new 80C MB original unit. when the car gets hot there is no heat at all. Restart the car the heat is instantly back. Backup to over 2000 RPM heat dies and stays dead. All this is with the heat control valve on MAX or 26C. Turn the heat control valve back to white or blue the heat turns off as it should. However, turn it back to red the heat does not restart EVER. Turn the engine off and on again heat is back and stays for about 1 min. Rad flushed out. When you drive it the same symtpoms. park the car switch engine on and off revs below 2000 heat back on. What the hell is going on?
monovalve is been fixed with repair kit.....
