Condensation may develop in the heater case which can cause a musty odor from the heating, ventilation and AC (HVAC) system. Our technicians tell us the drain system should be checked for debris. In addition, a cleaner is available for the heater case.
Car Problem Reports
Volkswagen CC VR6 Odor from HVAC system
Volkswagen CC VR6 Problem
Average Mileage: 15,500 mi (15,000 mi - 16,000 mi)
Visitor, 2010 Volkswagen CC VR6, 16,000 mi
Problem has not been fixed. They told me they're waiting for a special "machine" to cleanse the system.