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240 Driving and parking
speed, for braking in good time and for staying
in lane.
Active Lane Keeping Assist can bring the vehicle
back into the lane with a lane-correcting brake
application. In the case of a broken lane marking
being detected, a brake application will only be
made if a vehicle has been detected in the adja‐
cent lane. Oncoming traffic can be detected.
Vehicles with Driving Assistance package or
Driving Assistance Plus package: overtaking
vehicles and vehicles in adjacent lanes can also
be detected.
Active Lane Keeping Assist is available in the
speed range between 60 km/h and 200 km/h.
If a lane-correcting brake application occurs, dis‐
play
1
appears in the multifunction display.
Sensitivity of Active Lane Keeping Assist
%
The availability of the following function is
country-dependent.
A lane-correcting brake application also occurs
in the Sensitive setting in the following situa‐
tions:
Active Lane Keeping Assist detects a solid
R
lane marking.
A front wheel drives over this lane marking.
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System limitations
No lane-correcting brake application occurs in
the following situations:
You clearly and actively steer, brake or accel‐
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erate.
You have switched on the turn signal indica‐
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tor (situation-dependent).
A driving safety system intervenes, such as
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®
ESP
, Active Brake Assist or Active Blind
Spot Assist.
You have adopted a sporty driving style with
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high cornering speeds or high rates of accel‐
eration.
When ESP
®
is deactivated.
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When driving with a trailer, the electrical con‐
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nection to the trailer has been correctly
established.
If a loss of tyre pressure or a defective tyre
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has been detected and displayed.
The system may be impaired or may not function
in the following situations:
If there is poor visibility, e.g. due to insuffi‐
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cient illumination of the road, if there are
highly variable shade conditions or in rain,
snow, fog or heavy spray.
If there is glare, e.g. from oncoming traffic,
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the sun or reflections.
If the windscreen in the area of the multi‐
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function camera is dirty, or if the camera is
misted up, damaged or covered.
If there are no lane markings, or several
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unclear lane markings are present for one
lane, e.g. around roadworks.
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