Mercedes-Benz 2016 GL Operator's Manual page 206

Driving systems
204
Storing, maintaining and calling up a
speed
Storing and maintaining a speed
Accelerate the vehicle to the desired
X
speed.
Briefly press the cruise control lever up :
X
or down ;.
Remove your foot from the accelerator
X
pedal.
Cruise control is activated. The vehicle
automatically maintains the stored speed.
i
Cruise control may be unable to maintain
the stored speed on uphill gradients. The
stored speed is resumed when the gradient
evens out. Cruise control maintains the
stored speed on downhill gradients by
automatically applying the brakes.
Storing or calling up a speed
G WARNING
If you call up the stored speed and it differs
from the current speed, the vehicle acceler-
ates or decelerates. If you do not know the
stored speed, the vehicle could accelerate or
brake unexpectedly. There is a risk of an acci-
dent.
Pay attention to the road and traffic condi-
tions before calling up the stored speed. If you
do not know the stored speed, store the
desired speed again.
Briefly pull the cruise control lever towards
X
you :.
Remove your foot from the accelerator
X
pedal.
Cruise control is operational and when first
activated stores the current speed or reg-
ulates the speed of the vehicle to the stored
speed.
Setting a speed
Keep in mind that it may take a brief moment
until the vehicle has accelerated or braked to
the speed set.
Press the cruise control lever up : for a
X
higher speed or down ; for a lower speed.
To adjust the set speed in 1 mph incre-
X
ments (1 km/h increments): briefly
press the cruise control lever up : or
down ; to the pressure point.
Every time the cruise control lever is
pressed up : or down ; the last speed
stored is increased or reduced.
To adjust the set speed in 5 mph incre-
X
ments (10 km/h increments): briefly