Actually, they do -- it's more noticable when it's blowing in your face!

Also, in AC mode you are making cold water in there and there is no heat, so you get less moisture and stick.

Febreeze will help get rid of the odor -- spray into the intake grille outside the car while the blower is on low AFTER you get the drains cleaned out.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!