Driver assistance
your hands on the steering wheel so that you will
be ready to steer at any time. The system may no
longer be ready to provide warnings after a short
time, and it will only become active again later.
Driver
assis-
Indicator Meaning
lights
a)
tance
display
If you do not take over steering, the lane depar-
ture warning will no longer be ready to provide
warnings. If the vehicle is equipped with emer-
gency assist and it is ready to function, it will be
activated ðpage 170.
The lane departure
4 Red
warning system will
warn you with a correc-
tive steering interven-
tion before exiting the
lane on the respective
side.
line
Behavior when a turn signal is active
Applies to: vehicles without side assist: The sys-
tem will not warn you if you activate a turn signal
before crossing the lane marker line. In this case,
it assumes that you are changing lanes intention-
ally.
-
Red lines on both sides:
lane guidance from the
Emergency assist* is ac-
tive ðpage 170.
a)
Applies to: driving assistance display with area view: Only
the red lines will be displayed in the driving assistance dis-
play.
Applies to: vehicles with side assist: If the turn
signal is activated, the lane departure warning is
ready, and a lane change has been classified as
critical by the lane departure warning due to
vehicles traveling beside you or due to approach-
ing vehicles, then a noticeable corrective steering
movement will occur shortly before exiting the
lane. This will attempt to keep your vehicle in the
lane.
If the lane departure warning must intervene for
a long period of time, a message will request you
to drive in the center of the lane. The steering
wheel can also vibrate to warn you if lane boun-
daries are detected during a passing maneuver.
You can turn the steering wheel vibrations on or
off in the Driver assistance menu ðpage 131.
The settings depend on the vehicle equipment.
WARNING
If the indicator light turns on, the lane depar-
ture warning is not ready to provide warnings.
This may occur due to the following system limi-
tations or situations:
– Observe the safety precautions and note the
limitations of the assist systems, sensors,
and cameras ðpage 127 to ðpage 130.
– The system uses corrective steering to warn
that the vehicle is leaving the lane. The driv-
er is always responsible for keeping the ve-
hicle in the lane.
– The necessary lane marker lines have not been
detected (for example, in a construction zone
or because the lines are obstructed by snow,
dirt, water, or lighting)
– Corrective steering may not occur at all in
certain situations, such as during heavy
braking. Always be ready to intervene.
– The lane is too narrow or too wide.
– The curve is too narrow.
– Visibility is obstructed by a rise or dip.
– The driver's hands are not on the steering
wheel.
Tips
– Always keep your hands on the steering
wheel so you can be ready to steer at any
time. The driver is always responsible for
adhering to the regulations applicable in
the country where the vehicle is being oper-
ated.
– The turn signal was activated.
Steering intervention request
If the lane departure warning intervenes multiple
times when no steering activity is detected, the
steering intervention request will provide a warn-
ing using audio and visual signals, such as .
Actively take over steering immediately and keep
– The system does not provide any corrective
steering or steering wheel vibrations if it
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English 
