Odor from HVAC system on Volkswagen CC VR6

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.

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Average mileage: 29,434 (15,000–57,303)
2 model years affected: 2009, 2010
6 people reported this problem
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Viewing 1 - 2 of 2 problem details
2009 Volkswagen CC VR6 57,303 mi,
When I turn on the AC I get this weird odor.
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.