Mercedes-Benz GLS 2020 Operator's Manual page 248

246 Driving and parking
driving style nor override the laws of physics. It
cannot take into account road, weather or traffic
conditions. Active Lane Keeping Assist is only an
aid. You are responsible for maintaining a safe
distance to the vehicle in front, for vehicle
speed, for braking in good time and for staying
in lane.
Vehicles with Driving Assistance Package or
Driving Assistance Plus Package: 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 adjacent lane.
Oncoming vehicles, overtaking vehicles and vehi‐
cles in adjacent lanes can be detected.
Active Lane Keeping Assist is available in the
speed range between 37 mph (60 km/h) and
124 mph (200 km/h).
If a lane-correcting brake application occurs, dis‐
play 1 appears in the multifunction display.
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.
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 tire pressure or a faulty tire has
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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 windshield in the area of the multifunc‐
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tion camera is dirty, or if the camera is fog‐
ged 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.