Mercedes-Benz S-Class 2020 Owner's Manual page 255

252 Driving and parking
For this, the following conditions must be fulfil‐
led:
You are on a motorway or high-speed major
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road.
The vehicle speed is between approximately
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80 km/h and 180 km/h.
The neighbouring lane is separated by a bro‐
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ken lane marking.
No vehicle or obstacle is detected in the
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adjacent lane.
Since the last time the vehicle was started,
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the sensors have detected a vehicle at a suit‐
able distance behind your vehicle.
Active Lane Change Assist is selected in the
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multimedia system.
Active Distance Assist DISTRONIC and Active
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Steering Assist are activated on motorways.
The system is not available and must be reacti‐
vated in the following situations:
Active Distance Assist DISTRONIC and Active
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Steering Assist were already activated before
entering the motorway.
The system briefly does not detect the road
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you are on as a motorway or a motorway-like
road, e.g. on a motorway junction.
As soon as Active Lane Change Assist detects a
suitable road, you can reactivate it with J,
M or N.
Driver display in the Assistance
1 Green arrow: lane change initiated
2 Red arrow: lane change cancelled
When Active Lane Change Assist is available, the
± display appears along with green arrows in
the driver display. If the system has been activa‐
ted but is not currently available, the ± dis‐
menu