Mercedes-Benz GL-Class: Important safety notes
Observe the "Important safety notes"
section.
ABS regulates brake pressure in such a way that the wheels do not lock when you brake.
This allows you to continue steering the vehicle when braking.
ABS works from a speed of about 5 mph(8 km/h) upwards, regardless of roadsurface conditions. ABS works on slippery surfaces, even when you only brake gently.
WARNING 
If the ABS malfunctions, other driving systems
such as the BAS or the ESP® are also switched
off. Observe indicator and warning lamps that
may come on as well as messages in the
multifunction display that may appear.
If the ABS malfunctions, the wheels may lock
during hard braking, reducing the steering
capability and extending the braking distance.
The 
warning lamp in the
instrument
cluster lights up when the ignition is switched
on. It goes out when the engine is running.
Braking
If ABS intervenes when braking, you will feel
a pulsing in the brake pedal.
► If ABS intervenes: continue to depress the
brake pedal with force until the braking
situation is over.
► ...
See also:
How to adjust the screen view
To adjust the Display ON/OFF, Brightness,
Tint, Color, Contrast and Black Level of the
Around View Monitor, push the SETTING
button with the Around View Monitor on,
select the item key and adj ...
Steering-wheel-mounted controls for audio
Menu control switch
While the display is showing a MAP,
STATUS or Audio screen, tilt the switch
upward or downward to select a station,
track, CD or folder. For most audio sources,
tilting th ...
Stability control warning lamps
The DSC warning lamp in the instrument pack illuminates briefly when the ignition
is turned on.
If the warning lamp flashes rapidly during driving, the system is active.
A fault with the DSC sys ...
