See also:

Setting the side air vents
To open/close: turn thumbwheel 3 up or down. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut. ...

Roadside Assistance button
X Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance button 1 ...

2010 Mercedes-Benz GLK-Class Review
I'm the biggest pop-culture loser on the planet, as I've never watched a full episode of "Sex and the City." As a homework assignment last summer, I went to the movie theater to check ou ...