Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 158

156 Light and sight
▌Cornering light function
The cornering light improves the illumination of
the carriageway over a wide angle in the turning
direction, enabling better visibility on tight bends,
for example. It can be activated only when the low
beam is switched on.
The function is active in the following cases:
At speeds below 40 km/h when the turn sig-
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nal light is switched on or the steering wheel
is turned
At speeds between 40 km/h and 70 km/h
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and when the steering wheel is turned
Roundabout and junction function: the cornering
light will be activated on both sides based on an
evaluation of the vehicle's current navigation posi-
tion. It will remain active until after the vehicle has
left the roundabout or the junction.
▌Motorway mode function
Motorway mode increases the range and bright-
ness of the cone of light, enabling better visibility.
The function will be active if a motorway journey
is detected by means of:
the vehicle's speed
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the multifunction camera
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the navigation system
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The function is not active in the following cases:
at speeds below 80 km/h
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▌Enhanced fog light function
The enhanced fog light function reduces self-daz-
zling and improves the illumination of the edge of
the carriageway.
The function is automatically activated under the
following conditions:
At speeds below 70 km/h and when the rear
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fog light is switched on.