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R
if the battery is disconnected
R
if the vehicle is accelerated, e.g. by a vehi-
cle occupant
There is a risk of an accident.
Always deactivate Active Distance Assist
DISTRONIC and secure the vehicle against
rolling away before you leave it.
Further information on deactivating Active Dis-
tance Assist DISTRONIC (Y page 149).
If Active Distance Assist DISTRONIC detects
that the vehicle in front is stopping, it brakes
your vehicle until it is stationary.
Once your vehicle is stationary, it remains sta-
tionary and you do not need to depress the
brake.
i
After a time, the electric parking brake
secures the vehicle and relieves the service
brake.
i
Depending on the specified minimum dis-
tance, your vehicle will come to a standstill
at a sufficient distance behind the vehicle in
front. The specified minimum distance is set
using the control on the cruise control lever.
When Active Distance Assist DISTRONIC is
activated, the transmission is shifted automati-
cally to position j if:
R
the driver's seat belt is not fastened and the
driver's door is open
R
the engine is switched off, unless it is auto-
matically switched off by the ECO start/
stop function.
The electric parking brake is applied automati-
cally if Active Distance Assist DISTRONIC is
active when the vehicle is stationary and:
R
a system malfunction occurs
R
the power supply is not sufficient
If a malfunction occurs, the transmission may
also shift to position j automatically.
Setting a speed
Keep in mind that it may take a brief moment
until the vehicle has accelerated or braked to
the speed set.
X
To adjust the set speed in 1 mph incre-
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.
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.
Setting a specified minimum distance
You can set the specified minimum distance
for Active Distance Assist DISTRONIC by vary-
ing the time span between one and two sec-
onds. This determines the distance that Active
Distance Assist DISTRONIC is to maintain from
the vehicle in front, depending on the road
speed. You can see this distance in the multi-
function display (Y page 149).
The specified minimum distance can be
changed while Active Distance Assist
DISTRONIC is switched on or off.
Make sure that you maintain a sufficiently safe
distance from the vehicle in front. Adjust the
distance to the vehicle in front if necessary.
Cruise control lever
X
To increase: turn control = toward ;.
Active Distance Assist DISTRONIC then
maintains a greater distance between your
vehicle and the vehicle in front.
X
To decrease: turn control = toward :.
Active Distance Assist DISTRONIC then
maintains a shorter distance between your
vehicle and the vehicle in front.
148
Driving systems
Driving and parking
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