Mercedes-Benz
CLK500
5

HVAC Oder Due to Mildew in Heater Box on Mercedes-Benz CLK500

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 60,000 (60,000–60,000)
4 model years affected: 2003, 2004, 2005, 2006
5 people reported this problem