marking on the warning side is shown in
red.
Display in the driver's display in the menu
If one of your front wheels moves onto a recog-
nised lane marking, this is highlighted in red in the
Assistance
menu in the driver's display.
System limits
In the following situations, there may be no
course-correcting steering intervention but a
warning may be given at the steering wheel
depending on the situation:
if you clearly and actively steer, brake or
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accelerate.
if a driving safety system is intervening, e.g.
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®
ESP
or Active Brake Assist
if you have adopted a sporty driving style with
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high cornering speeds or high rates of acceler-
ation.
Assistance
if transport equipment such as a trailer or rear
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bicycle rack is attached to the trailer coupling,
and the electrical connection has been estab-
lished correctly
The system may be impaired or may not function,
particularly in the following situations:
if there is poor visibility, e.g. owing to insuffi-
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cient road illumination, highly variable shade
conditions, rain, snow, fog or heavy spray.
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Driving and parking 317
if there is glare, e.g. from oncoming traffic,
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direct sunlight or reflections.
if there is soiling on the windscreen in the
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vicinity of the multifunction camera, or if the
camera is misted up, damaged or obscured.
if the bumper is soiled in the area of the radar
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sensors, or if these are damaged or obscured
if there are no lane markings, or several
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unclear lane markings are present for one
lane, e.g. around roadworks.
if the lane markings are worn, dark or cov-
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ered.
if the distance to the vehicle in front is too
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short and the lane markings cannot be detec-
ted as a result.
if the lane markings change quickly, e.g. lanes
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branch off, cross one another or merge.
if the carriageway is very narrow and winding.
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Observe the notes on driving systems and your
responsibility; you may otherwise fail to recognise
dangers (
page 277).
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