Mercedes-Benz GLC Series Operator's Manual page 209

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 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.
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.
If the lane markings change quickly, e.g.
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lanes branch off, cross one another or
merge.
If the road is very narrow and winding.
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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
Multimedia system:
© Settings Quick Access
4 5 5
Active Lane Keeping Assist
5
Activate or deactivate the function.
#
Setting Active Lane Keeping Assist
Multimedia system:
© Settings Assistance
4 5 5
Active Lane Keeping Assist
5
Activating or deactivating the haptic warning
Select Warning.
#
Activate or deactivate the function.
Driving and parking 207
AIR BODY CONTROL
AIR BODY CONTROL function
* NOTE Mercedes-AMG vehicles
Observe the notes in the Supplement.
#
You could otherwise fail to recognize
dangers.
AIR BODY CONTROL is an air suspension system
with variable damping for improved driving com‐
fort. The all-round level control system ensures
the best possible suspension and constant
ground clearance, even with a laden vehicle.
When driving at speed, the vehicle is lowered
automatically to improve driving safety and to
reduce fuel consumption. You also have the
option of manually adjusting the vehicle level.
AIR BODY CONTROL includes the following com‐
ponents and functions:
Air suspension with variable spring rate
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Automatic level control system
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Speed-dependent lowering to reduce fuel
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consumption