Adjusting the climate mode settings (AIR FLOW)
This function is only available with 3-zone automatic climate control.
The climate mode settings are especially effective at high temperatures.
You can select the following climate mode settings in automatic mode:
FOCUS high airflow that is set slightly
cooler
MEDIUM medium airflow, standard setting
DIFFUSE low airflow that is set slightly
warmer and with less draft
•► Turn the SmartKey to position 2 in the ignition lock.
•► Press the 
button.
•► Press button 11 up or down and select the desired level
See also:
Fuse box in the engine compartment
► Open the hood.
Illustrated: GL 450 (GL 350 BlueTEC, GL 550 are
similar)
► Remove any existing moisture from the
fuse box using a dry cloth.
► To open: open clamps 2.
` ...
Wheel and tire combinations
Please bear the following in mind
For safety reasons, Mercedes-Benz
recommends that you only use Tires and
wheels which have been approved by
Mercedes-Benz specifically for your
vehicle.
The ...
Mounting a new wheel
WARNING
Always replace wheel bolts that are damaged
or rusted.
Never apply oil or grease to wheel bolts.
Damaged wheel hub threads should be
repaired immediately. Do not continue to
...