Should never have this problem in a 40,000 dollar luxury car. I have been driving cars for 25 years and never had a car with this problem. I feel like Lincoln knows there is a design flaw with the evaporator coil on the AC staying wet and causing mold and mildew to develop which blows a nasty smell into the car when you turn on your AC. All they offer to do is change your cabin filter.. That's not it, I have tried that solution.