Mercedes-Benz SL 2018 Operator's Manual page 152

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Driving systems
150
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.
You can store the current speed if you are driv-
ing faster than 20 mph (30 km/h).
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 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
The first time cruise control is activated, it
stores the current speed or regulates the
speed of the vehicle to the previously stored
speed.
Setting a speed
G
WARNING
Keep in mind that it may take a brief moment
until the vehicle has made the necessary
adjustments.
Increase or decrease the set vehicle speed to
a value that the prevailing road conditions and
legal speed limits permit. Otherwise, sudden
and unexpected acceleration or deceleration
of the vehicle could cause an accident and/or
serious injury to you and others.
To adjust the set speed in 1 mph incre-
X
ments (1 km/h increments): briefly press
the cruise control lever up : to the pressure
point for a higher speed, or down ? for a
lower speed.
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 : past the pres-
sure point for a higher speed, or down ? for
a lower speed.
Every time the cruise control lever is pressed
up or down, the last speed stored is increased
or reduced.
i
The speed indicated in the speedometer
may differ slightly from the speed stored.
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.
Deactivating cruise control
There are several ways to deactivate cruise con-
trol:
Briefly press the cruise control lever for-
X
wards : .
or
Brake.
X

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