Mercedes-Benz SL-Class 2015 - Manual (Page 184)

X
To adjust the set speed in 1 mph incre-
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.
X
To adjust the set speed in 5 mph incre-
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.
i Cruise control is not deactivated if you
depress the accelerator pedal. For exam-
ple, if you accelerate briefly to overtake,
cruise control adjusts the vehicle's speed
to the last speed stored after you have fin-
ished overtaking.
Deactivating cruise control
Cruise control lever
There are several ways to deactivate cruise
control:
X Briefly press the cruise control lever for-
wards : .
or
X
Brake.
Cruise control is automatically deactivated if:
R you engage the electric parking brake
R you are driving at less than 20 mph
(30 km/h)
R ESP ® intervenes or you deactivate ESP ®
R
you shift the transmission to position N
while driving
If cruise control is deactivated, you will hear a
warning tone. You will see the Cruise Con‐ Cruise Con‐
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.
DISTRONIC PLUS
General notes
DISTRONIC PLUS regulates the speed and
automatically helps you maintain the dis-
tance to the vehicle detected in front. DIS-
TRONIC PLUS brakes automatically so that
the set speed is not exceeded.
On long and steep downhill gradients, espe-
cially if the vehicle is laden, you must select a
lower gear in good time. By doing so, you will
make use of the braking effect of the engine.
This relieves the load on the brake system and
prevents the brakes from overheating and
wearing too quickly.
If a slower-moving vehicle is detected in front,
DISTRONIC PLUS brakes your vehicle. It
maintains the preset distance to the vehicle in
front.
If DISTRONIC PLUS detects that there is a risk
of a collision, you will be warned visually and
acoustically. DISTRONIC PLUS cannot pre-
vent a collision without your intervention. An
intermittent warning tone will then sound and
the distance warning lamp will light up in the
instrument cluster. Brake immediately in
order to increase the distance to the vehicle
in front or take evasive action provided it is
safe to do so.
182
Driving systems
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