Mercedes-Benz GL-Class: Adjusting the four-way lumbarsupport
You can adjust the contour of the driver's seat backrests individually to provide optimum support for your back.
1 To raise the backrest contour
2 To soften the backrest contour
3 To lower the backrest contour
4 To harden the backrest contour
Adjusting the multicontour seat
You can adjust the contour of the front seats
individually so as to provide optimum support
for your back and sides.
► Make sure that the SmartKey is in
position
2 in the ignition lock.
...
See also:
Roadside Assistance Program (U.S. and Canada)
For U.S.-purchased vehicles, call 1-800-252-1112; (Text Telephone (TTY): 1-888-889-2438).
For Canadian-purchased vehicles, call 1-800-268-6800.
Service is available 24 hours a day, 365 days a year.
...
Instrument Panel Illumination Control
The instrument panel brightness knob is located on the instrument panel to the
left of the steering column.
(Instrument Panel Brightness): Push
the knob in all the way until it extends out and ...
Passenger Compartment Air Filter
The filter removes dust, pollen, and other airborne irritants from outside air
and inside air when in recirculation mode.
To find out what type of replacement filter to use, see Maintenance Replace ...
