Mercedes-Benz C55 AMG Problem Report
Mercedes-Benz C55 AMG HVAC Oder Due to Mildew in Heater Box
The heating, ventilation and AC (HVAC) heater box is susceptible to mildew buildup. This can result in a musty odor from the HVAC system, most noticeable when the system is first turned on.
Same issue - Visitor
The heater case for the center vents can crack near the stop sensors. If the stops break, the c...