Mercedes-Benz S-Class 2020 Owner's Manual page 271

268 Driving and parking
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
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 to the vehicle in front is too
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short and thus the lane markings cannot be
detected.
If the lane markings change quickly, e.g.
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lanes branch off, cross one another or
merge.
If the carriageway is very narrow and wind‐
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ing.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recog‐
nise dangers ( page 230).
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Activating/deactivating Active Lane Keeping
Assist
Multimedia system:
© Settings Assistance
4 5 5
Avoid collision
5
Active Lane Keeping Assist
5
Switch the function on or off.
#
Alternatively, Active Lane Keeping Assist can be
activated and deactivated in the Assistance
menu.
%
After starting the engine, the settings are
country-specific.
Setting Active Lane Keeping Assist
Multimedia system:
© Settings Assistance
4 5 5
Avoid collision
5
Active Lane Keeping Assist
5
Setting the sensitivity
Select ´.
#
Select Early, Med. or Late.
#
The last selected setting will be adopted the next
time the engine is started.
% The standard setting for this function is
dependent on the country.
Activating or deactivating assistance on dis‐
continuous lane markings
Select Advanced support.
#
The last selected setting will be adopted the next
time the engine is started.
% The standard setting for this function is
dependent on the country.