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Car Problem Reports

Mercedes-Benz C350 4MATIC Mildew in Heater Box

 
Mercedes-Benz C350 4MATIC Problem
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Model Years Affected: 2006, 2007

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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.

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