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Lane Keeping Assist
▌Function of Lane Keeping Assist
Lane Keeping Assist monitors the area in front of
your vehicle with multifunction camera 1. It
serves to protect you against unintentionally leav-
ing your lane. You may also be warned by a notice-
able vibration in the steering wheel or by a warning
tone and by the status symbol flashing on the
instrument cluster.
The function is available in the speed range
between approximately 40 mph (60 km/h) and
100 mph (160 km/h).
The warning will be issued when the following con-
ditions are met at the same time:
If Lane Keeping Assist detects lane markings.
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If a front wheel drives over lane markings.
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You can activate and deactivate the Lane Keeping
Assist warning.
If you fail to adapt your driving style, Lane Keeping
Assist can neither reduce the risk of accident nor
override the laws of physics. It cannot take into
account road, weather or traffic conditions. Lane
Keeping Assist is only an aid and is not intended to
keep the vehicle in the lane without the driver's
cooperation. You are responsible for the distance
to the vehicle in front, for vehicle speed, braking in
good time and for staying in your lane.
System limits
The system may be impaired or may not function in
the following situations:
If there is poor visibility, e.g. due to insufficient
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illumination of the road, if there are highly vari-
Driving and parking 131
able shade conditions or in rain, snow, fog or
spray.
Glare from oncoming traffic, direct sunlight or
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reflections.
There is dirt on the windshield in the vicinity of
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the multifunction camera or the camera is fog-
ged up, damaged or obscured.
Lane markings for one lane are absent or
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unclear, e.g. in a construction area.
If the lane markings are worn away, dark or
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covered up.
If the distance to the vehicle in front is too
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short and thus the lane markings cannot be
detected.
The lane markings change quickly, e.g. lanes
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branch off, cross one another or merge.
The road is very narrow and winding.
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Trailer operation
Notes on trailer operation
& WARNING Risk of accident and injury if
the tongue weight is exceeded
The carrier system may detach from the vehi-
cle, thereby endangering other road users.
Always comply with the permissible
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tongue weight when using a carrier.
& WARNING Risk of accident due to unsuita-
ble ball neck
If you install an unsuitable ball neck, the trailer
hitch and the rear axle may be overloaded.
This can significantly impair the driving charac-
teristics and the trailer may become loose.
There is a risk of fatal injury.
Only install a ball neck that complies with
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the permissible dimensions and is
designed for the requirements of trailer
operation.
Do not modify the ball neck or the trailer
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hitch.
You can find specifications regarding the ball neck
on the trailer's identification plate. You can find
specifications regarding the trailer on the towing
vehicle's identification plate and in the Technical
Data (
page 223).
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