Mercedes-Benz 2011 GL-Class Operator's Manual page 195

Off-road level 3 is canceled.
If you then increase the speed again, the
message remains in the multifunction
display. The newly set level is not displayed
until the vehicle has been set to a level
suitable for the current speed.
If you maintain or reduce your speed, you will
see a message such as the following in the
display while the vehicle is being lowered:
The vehicle is lowered to off-road level 2.
Once off-road level 2 has been reached, you
will see a message in the multifunction
display, for example:
If you select an off-road level when driving at
too high a speed, the Level Selection
Not Permitted message appears in the
multifunction display.
You can select from the following:
Off-road level 1 up to 60 mph (96 km/h)
R
Off-road level 2 up to 40 mph (64 km/h)
R
Off-road level 3 up to 12 mph (20 km/h)
R
If you drive at speeds over 55 mph
(88 km/h) or for approximately 20 seconds
between 40 mph (64 km/h) and 55 mph
(88 km/h), off-road level 2 is canceled. The
vehicle is lowered to off-road level 1.
You will see a message in the multifunction
display, for example:
If you drive faster than 60 mph (96 km/h), off-
road level 1 is canceled. The vehicle is
lowered to highway level.
You will see a message in the multifunction
display, for example:
Depending on the ADS setting (
the vehicle is lowered to high-speed level at
higher speeds. When you drive at under
25 mph (40 km/h) again, the vehicle is raised
to highway level again.
Highway/high-speed level
!
Make sure that there is enough ground
clearance when the vehicle is being
lowered. It could otherwise hit the ground,
damaging the underbody.
Driving systems
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193
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