S420 heater control not working
#1
09-13-2008, 05:13 PM
S420 heater control not working
Any ideas on why the temperature controls would not change the temperature of the air. No mater what degree setting it is on I only get cold air, this happens with both controls so it must be something not opening the water valve to the heater core?
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patricknif
Mercedes S Class
0
03-04-2012 06:38 AM
