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Function of Active Lane Change Assist
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The availability of the following function is
country-dependent.
Active Lane Change Assist supports the driver
when changing lanes by applying steering torque
if the driver operates a turn signal.
Assistance when changing lanes is provided if all
the following conditions are met:
R
You are driving on a freeway or road with
multiple lanes in the direction of travel.
R
The neighboring lane is separated by a bro‐
ken lane marking.
R
No vehicle is detected in the adjacent lane.
R
The driven speed is between 50 mph
(80 km/h) and 110 mph (180 km/h).
R
Active Lane Change Assist is switched on in
the multimedia system.
R
Active Steering Assist is switched on and
active.
If no vehicle is detected in the adjacent lane and
a lane change is permitted, the steering wheel
symbol and the arrow are shown in green 2 .
The Lane Change to the Left message appears,
for example. If Active Lane Change Assist has
been activated with the turn signal indicator but
a lane change is not immediately possible, the
steering wheel symbol remains green and the
arrow appears gray
1. When the lane change
support starts, the turn signal indicator is auto‐
matically activated.
If a lane change is not possible, the arrow fades
out after a few seconds and a new lane change
must be initiated. An immediate lane change is
only possible on freeway sections without speed
limits.
If the system is impaired, Active Lane Change
Assist may be canceled. If it is canceled, the
Lane Change Canceled message appears in the
multifunction display and a warning tone sounds.
&
WARNING Risk of accident from chang‐
ing lane to an occupied adjacent lane
Lane Change Assist cannot always detect
clearly if the adjacent lane is free.
The lane change might be initiated although
the adjacent lane is not free.
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Before changing lanes, make sure that
the neighboring lane is free and there is
no danger to other road users.
#
Monitor the lane change.
174
Driving and parking
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