Mercedes-Benz GL-Class: Switching the seat heating on/off
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 ...
Switching on/off
The three red indicator lamps in the button
indicate the heating level you have selected.
If the battery voltage is too low, the seat
heating may switch off.
One or more of the indicator lamp ...
See also:
Intelligent Cruise Control (ICC) system (if so equipped)
The Intelligent Cruise Control (ICC) system
automatically maintains a selected distance
from the vehicle traveling in front of
you according to that vehicle’s speed (up
to the set speed), or ...
Sunroof
A. Open or Close
B. Vent
On vehicles with a sunroof, the sunroof only operates when the ignition is in
the ACC/ACCESSORY or ON/RUN, or when Retained Accessory Power (RAP) is active. See
Retained ...
Brake booster
Check the brake booster function as
follows:
1. With the engine off, depress and
release the foot brake pedal more than
20 times. When the foot brake pedal
movement (distance of travel) rema ...






