Setting the airflow
Turn the SmartKey to position
2 in the
ignition lock.
To increase/reduce: press
the 
or
button.
You can use automatic climate
control to
set the airflow in the rear compartment
separately.
See also:
Safety & Reliability
As of this writing, the Insurance Institute for Highway Safety has not yet
crash-tested the GL-Class. Eight standard airbags include three-row side curtain
airbags and seat-mounted side-impact air ...
Preparing the vehicle
WARNING
The wheel and tire size of the emergency
spare wheel/spare wheel may differ to that of
the damaged wheel. When using an
emergency spare wheel/spare wheel the
handling characteristics ...
Tire labeling overview
The following markings are on the tire in
addition to the tire name (sales designation)
and the manufacturer's name:
1 Uniform Tire Quality Grading Standard
2 DOT, Tire Identification Number
3 ...