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Driving systems
186
the lane markings change quickly, e.g.
R
lanes branch off, cross one another or
merge.
the road is narrow and winding.
R
Lane Keeping Assist cannot detect road and
traffic conditions. It is not a substitute for
attentive driving. You are responsible for the
vehicle's speed, braking in good time, and
steering correctly. Always adapt your driving
style to suit the prevailing road and weather
conditions. Always pay attention to traffic
conditions and your surroundings. Otherwise,
you may fail to recognise dangers in time,
cause an accident and injure yourself and oth-
ers.
A warning can be given when a front wheel
passes over a lane marking. It will warn you
by means of intermittent vibration in the
steering wheel for up to 1.5 seconds.
In order that you are warned only when nec-
essary and in good time if you cross the lane
marking, the system recognises certain con-
ditions and warns you accordingly.
The warning vibration occurs earlier if:
you approach the outer lane marking on a
R
bend.
the road has very wide lanes, e.g. a motor-
R
way.
the system recognises solid lane markings.
R
The warning vibration occurs later if:
the road has narrow lanes.
R
you cut the corner on a bend.
R
No warning vibration occurs if:
you clearly and actively steer, brake, or
R
accelerate.
you cut the corner on a sharp bend.
R
a driving safety system intervenes, such as
R
ABS, BAS or ESP
you switch on the turn signals. In this event,
R
the warnings are suppressed for a certain
period of time.
®
.
Activating Lane Keeping Assist
Activate Lane Keeping Assist using the on-
X
board computer (
Y
Symbol : appears in the multifunction
display.
If you drive at speeds above 60 km/h and
lane markings are detected, symbol : is
displayed in green. Lane Keeping Assist is
ready for use.
Active Driving Assistance package
General notes
The Active Driving Assistance package con-
sists of DISTRONIC PLUS (
Blind Spot Assist (
page 186) and Active
Y
Lane Keeping Assist (
Active Blind Spot Assist
Important safety notes
Active Blind Spot Assist uses a radar sensor
system to monitor the side areas of your vehi-
cle. In addition, it uses the radar sensor sys-
tem to monitor the front area as well. Active
Blind Spot Assist provides assistance at
speeds higher than about 30 km/h. A warn-
ing lamp in the exterior mirror calls your
attention to a vehicle or certain obstacles
detected in the area monitored. If you then
switch on the corresponding turn signal to
change lane, you will also receive an optical
and acoustic collision warning. If a risk of lat-
eral collision is detected, corrective braking
may help you avoid a collision.
page 205).
page 154), Active
Y
page 189).
Y
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