Problem Reports
Mercedes-Benz C320
Report: Mildew in Heater Box
Mercedes-Benz C320 Problem
5 Reports
Model Years Affected: 2001, 2002, 2003, 2004, 2005
Verified
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.