Mercedes-Benz GLS Owner's Manual page 166

The function is active under the following condi‐
tions:
At speeds below 40 km/h when the turn sig‐
R
nal light is switched on or the steering wheel
is turned
At speeds between 40 km/h and 70 km/h
R
when the steering wheel is turned
Roundabout and junction function: the cor‐
nering light will be activated on both sides based
on an evaluation of the vehicle's current GPS
position. It will remain active until after the vehi‐
cle 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 visibil‐
ity.
The function will be active if a motorway journey
is detected by means of:
the vehicle's speed
R
the multifunction camera
R
the GPS
R
The function will not be active at speeds below
80 km/h.
Enhanced fog light function
The enhanced fog light function reduces self-
dazzling and improves the illumination of the
edge of the carriageway.
Light and sight 163
The function is automatically activated under the
following conditions:
At speeds below 70 km/h and when the rear
R
fog light is switched on.
The function is automatically deactivated under
the following conditions:
When speeds greater than 100 km/h are
R
reached.
When the rear fog light is switched off.
R
% You can activate the enhanced fog light func‐
tion up to a speed of 100 km/h by switching
on the rear fog light.