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CONTROLS
Acute warning
When an acute warning occurs, the steering
wheel vibrates briefly. The warning light in the
exterior mirror flashes brightly.
An acute warning is issued if the following con-
ditions are met:
▷
Another vehicle is located in the critical
area.
▷
Your own vehicle is approaching the other
lane.
▷
Depending on the system setting when the
turn signal is turned on.
The warning stops when the other vehicle has
left the critical area or the turn signal has been
turned off.
Steering intervention
Depending on the national-market version:
when there is no response to the vibration
of the steering wheel at speeds of up to
130 mph/210 km/h and the lane marking
is crossed, the system engages the active
steering intervention. The steering intervention
helps return the vehicle into the lane. The
steering intervention can be noticed on the
steering wheel and can be manually overrid-
den at any time.
The steering intervention is carried out from
a minimum speed. The minimum speed is dis-
played on the control display.
Warning light flashing
When the vehicle is unlocked, the warning light
in the exterior mirror flashes for self-testing
purposes.
System limits
General information
Follow the system limits in the "Collision warn-
ing systems" chapter.
182
Safety
Online Edition for Part no. 01405A7D166 - II/23
Upper speed limit
If the vehicle speed exceeds approx.
155 mph/250 km/h, the system is deactivated
temporarily.
If the vehicle speed falls below approx.
155 mph/250 km/h, the system is reactivated.
Displaying warnings
Depending on the selected warning settings,
e.g., warning time, more or fewer warnings can
be displayed. However, there may also be an
excess of unwarranted warnings of critical sit-
uations.
Functional limitations
The system may be limited in the following
situations:
▷
When a vehicle is approaching at a speed
much faster than your own.
▷
In tight corners or on narrow roads.
▷
The bumper is dirty, iced up or covered,
for instance by stickers.
Depending on the national-market version, the
steering intervention e.g. in the following situa-
tions:
▷
In the event of missing, worn, poorly visible,
merging, diverging, or multiple lane boun-
daries such as in construction areas.
▷
With lane boundaries that are covered in
snow, ice, dirt or water.
▷
With lane boundaries that are not white.
▷
With lane boundaries that are covered by
objects.
▷
When driving very close to the vehicle in
front of you.
▷
If the camera is impaired.
▷
Up to 10 seconds after drive-ready state is
switched on via the Start/Stop button.
A Check Control message may be displayed
when the system is limited. A yellow warning
light also illuminates, depending on national-
market version.
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