Mercedes-Benz C-Class-Saloon 2020 Owner's Manual page 220

adjacent lane. The front wheel drives over
the lane marking.
% A brake application may be interrupted at
any time if you steer slightly in the opposite
direction.
System limits
No lane-correcting brake application occurs in
the following situations:
You clearly and actively steer, brake or accel‐
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erate.
If 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 is
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detected and displayed.
If you deactivate the Active Lane Keeping Assist
warning and the lane markings cannot be clearly
detected, it is possible that no lane correcting
brake application takes place (
/
The system may be impaired or may not function
particularly 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.
If the lane markings are worn, dark or cov‐
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ered.
If the distance from the vehicle in front is too
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short and thus the lane markings cannot be
detected.
Internal use only
If the lane markings change quickly, e.g.
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lanes branch off, cross one another or
merge.
page 218).
If the carriageway is very narrow and wind‐
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ing.
Vehicles with Driving Assistance Pack‐
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age: if the radar sensors in the rear bumper
are dirty or covered in snow and an obstacle
is detected in your lane, no lane-correcting
brake application takes place.
Activating/deactivating Active Lane Keeping
Assist
& WARNING Risk of accident despite
Active Lane Keeping Assist warning
A lane-correcting brake application cannot
always bring the vehicle back into the origi‐
nal lane.
Always steer, brake or accelerate your‐
#
self, especially if Active Lane Keeping
Assist warns you or makes a lane-cor‐
recting brake application.
Driving and parking 217