Mercedes-Benz GLS Operator's Manual page 177

Cruise control lever
: Activates or increases speed
Activates or reduces speed
;
Deactivates cruise control
=
Activates at the current speed/last stored
?
speed
When you activate cruise control, the stored
speed is shown in the multifunction display for
five seconds.
Activation conditions
To activate cruise control, all of the following
activation conditions must be fulfilled:
the electric parking brake must be released.
R
you are driving faster than 20 mph (30 km/h).
R
®
ESP must be active, but not intervening.
R
the transmission must be in position D.
R
DSR must be deactivated.
R
the Offroad Plus drive program must be deac-
R
tivated (vehicles with the Off-Road Engineer-
ing package).
Storing, maintaining and calling up a
speed
Storing and maintaining a speed
Accelerate the vehicle to the desired speed.
X
Briefly press the cruise control lever up : or
X
down ?.
Remove your foot from the accelerator pedal.
X
Cruise control is activated. The vehicle auto-
matically 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
Driving systems
stored speed on downhill gradients by auto-
matically 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 pedal.
X
Cruise control is operational and when first
activated stores the current speed or regu-
lates 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 press
the cruise control lever up : or down ;
beyond the pressure point.
Every time the cruise control lever is pressed
up : or down ; the last speed stored is
increased or reduced.
i
Cruise control is not deactivated if you
depress the accelerator pedal. For example, if
you accelerate briefly to overtake, cruise con-
trol adjusts the vehicle's speed to the last
speed stored after you have finished overtak-
ing.
175
Z