Mercedes-Benz GL-Class: Operating the on-board computer
The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock.
You can control the multifunction display and the settings in the on-board computer using the buttons on the multifunction steering wheel.


Speedometer with segments
The segments in the speedometer indicate
which speed range is available.
DISTRONIC activated:
One or two segments in the set speed range
light up.
DISTRONIC detects a vehicle in front:
T ...
Multifunction display
Values and settings as well as display
messages are shown in the multifunction
display.
1 Trip odometer
2 Odometer
3 Transmission position
4 Status bar with outside temperature or
speed
For ...
See also:
Lamp Messages
AUTOMATIC LIGHT CONTROL OFF
This message displays when the automatic headlamps are turned off.
This message clears itself after 10 seconds.
AUTOMATIC LIGHT CONTROL ON
This message displays when th ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Traction Control Operation
TCS is part of the StabiliTrak system. Traction control limits wheel spin by
reducing engine power to the wheels (engine speed management) and by applying brakes
to each individual wheel (brake-trac ...






