Problems with the cooling with air dehumidification function
When you press the 
button, the indicator
lamp in the button flashes three times or remains off. You can no longer switch
on the cooling with air dehumidification function.
X Consult a qualified specialist workshop.
See also:
Parking
The following instructions refer to parking in
a space on the front-passenger side. To park
in a space on the driver's side, mirror the
instructions.
WARNING
The Parking Guidance is only an ...
Vehicle data, GL 450
The data stated here refers specifically to a
vehicle with standard equipment. Consult an
authorized Mercedes-Benz Center for the
data for all vehicle variants and trim levels.
...
Standard display
Press and hold the button on the
steering wheel until the Trip menu with odometer 1 and trip odometer 2 is shown. ...