Driving Systems - Mercedes-Benz SLC 300 2019 Operator's Manual

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
accident.
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.
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 nec-
essary 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 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.
To adjust the set speed in 5 mph incre-
X
ments (10 km/h increments): briefly
press the cruise control lever up : past the

Driving systems

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.
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
control adjusts the vehicle's speed to the
last speed stored after you have finished
overtaking.
Deactivating cruise control
There are several ways to deactivate cruise
control:
Briefly press the cruise control lever for-
X
wards : .
or
Brake.
X
Cruise control is automatically deactivated if:
you engage the electric parking brake
R
you are driving at less than 20 mph
R
(30 km/h)
®
ESP intervenes or you deactivate ESP
R
on vehicles with manual transmission, you
R
shift to a gear that is too high, and as a
result the engine speed is too low
Brake Assist intervenes
R
you move out of transmission position h
R
If cruise control is deactivated, you will hear a
warning tone. You will see the
trol Off trol Off message in the multifunction dis-
play for approximately five seconds.
i
When you switch off the engine, the last
speed stored is cleared.
143
®
Cruise Con‐ Cruise Con‐
Z