Mercedes-Benz 2015 SLK Operator's Manual page 178

Driving systems
176
The electric parking brake automatically
secures the vehicle if DISTRONIC PLUS is
activated and:
the driver's door is open and the driver's
R
seat belt is unfastened.
the engine is switched off, unless it is auto-
R
matically switched off by the ECO start/
stop function.
the hood is opened.
R
a system malfunction occurs.
R
the power supply is not sufficient.
R
If there is a malfunction in the vehicle elec-
tronics, a warning message may also appear
in the multifunction display.
Brake Immediately Brake Immediately
Immediately depress the brake firmly until
X
the warning message in the multifunction
display goes out. DISTRONIC PLUS is deac-
tivated.
Shift to 'P' Shift to 'P'
Shift the transmission to position P to pre-
X
vent the vehicle from rolling away.
DISTRONIC PLUS is deactivated. The warn-
ing message in the multifunction display
disappears.
The horn will also sound at regular intervals if
DISTRONIC PLUS is activated and you:
switch the engine off, open the driver's
R
door and remove your seat belt.
open the hood.
R
The sounding of the horn alerts you to the fact
that the vehicle has been parked while DIS-
TRONIC PLUS is still activated. The sound
becomes louder if you attempt to lock the
vehicle. The vehicle is not locked until DIS-
TRONIC PLUS is deactivated.
i
If the engine has been switched off, it
cannot be started again until DISTRONIC
PLUS has been deactivated.
Storing the current speed or calling up the
last stored 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.
DISTRONIC PLUS is activated. The first
time it is activated, the current speed is
stored. Otherwise, it sets the vehicle cruise
speed to the previously stored value.
Setting a speed
Keep in mind that it may take a brief moment
until the vehicle has accelerated or braked to
the speed set.
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 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.