Basic settings
Picture settings
Adjusting the brightness, contrast or color
Press 
the COMAND controller to
show
the menu.
Select Video by sliding 
and
turning
the COMAND controller and press
to confirm.
Select DVD-V and press to
confirm.
Select Brightness, Contrast or Color by
turning
the COMAND controller and
press to confirm.
Changing the picture format
Press the COMAND controller to
show
the menu.
Select Video by sliding and
turning
the COMAND controller and press
to confirm.
Select Video DVD and press
to confirm.
Select DVD-V and press to
confirm.
The DVD-V menu appears. The 
dot in
front of a menu item indicates the current
setting.
Select Auto, 16:9 optimized, 4:3 or
Widescreen and press to
confirm.
Select a setting by turning
the
COMAND controller and press to
confirm.
See also:
Useful information
This Operator's Manual describes all models and all standard and optional equipment
of your vehicle available at the time of publication of the Operator's Manual. Country-specific
diffe ...
Service menu
In the Serv. menu you can:
• call up display messages
• restart the tire pressure loss warning system (Canada only)
• check the tire pressure electronically
• call up the service due date ...
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.
...