the vent in my ml350 2010 turns on 30 minutes after the vehicle is turned off and stays on until drivers door is opened....

chango1125
35

Asked by chango1125 Sep 27, 2013 at 12:19 AM about the 2010 Mercedes-Benz M-Class ML350

Question type: Maintenance & Repair

2010 ml350:  the Ac vent will start up after about 30 minutes after the vehicle is turned off.  I check on it an hour later and the vent is still on.  It only turns off after I open the door.  I've taken to the MB service dept. and they tell me it's normal.

1 Answer

Ted Halsall
1,205

It's drying your evaporator to prevent mould.

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