Mildew in Heater Box on Mercedes-Benz CLK350
Problem overview
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.
25 people reported this problem
12 commentsMercedes-Benz CLK350 vehicles with this problem
Average mileage: 63,807 miles
(20,000 - 133,000)
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