Collision Prevention Assist - Mercedes-Benz Vito 111 CDI/BlueTEC Operating Instructions Manual

into account. DSR is only an aid. You are respon-
sible for the distance to the vehicle in front, for
vehicle speed, braking in good time and for stay-
ing in your lane.
You are always responsible for maintaining con-
trol over your vehicle on downhill gradients. DSR
cannot always maintain the set speed, depend-
ing on the condition of the terrain and the tyres.
Select a set speed to suit the surrounding con-
ditions and also apply the brakes yourself, if
necessary.
You will find information on driving on unpaved
surfaces under "Driving off-road" (
Activating or deactivating DSR
You can only switch DSR on when you are driving
at 40 km/h or less. If the current speed is too
high, the display shows the f symbol and the
Max. speed 40 km/h
When DSR is activated and the vehicle acceler-
ates or brakes, the current speed is saved as the
set speed. This is only the case if you are not
driving faster than 18 km/h.
X
Press the à button.
The indicator lamp in the button is lit when
DSR is activated. If you drive slower than
18 km/h, thef symbol with
current speed is shown in the status area of
Y
the display ( page 230).
When the system switches over, the f
symbol is shown briefly in the display with the
set speed or the message off.
If you are driving faster than 18 km/h with DSR
activated:
DSR remains activated but is not active
R
the display hides the f
R
status area
the display briefly shows the f symbol
R
--- km/h
with the message.
Y
page 183).
message.
DSR and the
DSR
message in the
If you drive faster than 45 km/h, DSR switches
off automatically.
When parking or pulling away using Active Park-
ing Assist, if you press the à button, the
indicator lamp flashes. You will then be unable
to activate DSR.
Setting the speed
Cruise control lever
increases the set speed
:
reduces the set speed
;
You can change the set speed to a value
between 4 km/h and 18 km/h when DSR is
active. To do so, DSR must be activated and the
current speed must be between 4 km/h and
18 km/h.
X
Brake or accelerate the vehicle to the set
speed, then release the brake or accelerator
pedal.
or
X
Briefly press the cruise control lever as far as
the 1st pressure point up : or down ;.
The set speed is increased or reduced in
increments of 1 km/h.
The display shows the f symbol in the
DSR
status area with
Y
speed ( page 230).

COLLISION PREVENTION ASSIST

General notes
COLLISION PREVENTION ASSIST helps you:
to minimise the risk of a front-end collision
R
with a detected obstacle in the path of your
vehicle
to reduce the consequences of a front-end
R
collision
Driving systems
and the current set
193
Z