Mercedes-Benz S-Class 2019 Operator's Manual page 212

210 Driving and parking
When actively changing lane without switch‐
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ing on the turn signal.
& WARNING Risk of accident if Active
Steering Assist unexpectedly stops func‐
tioning
If the system limitations of Active Steering
Assist are reached there is no guarantee that
the system will remain active or will keep the
vehicle in lane.
Always keep your hands on the steering
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wheel and observe the traffic carefully.
Always steer the vehicle paying atten‐
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tion to traffic conditions.
& WARNING Risk of accident if Active
Steering Assist unexpectedly intervenes
A malfunction in the detection of lane mark‐
ings and objects can occur.
This could cause unexpected steering inter‐
vention.
Steer according to traffic conditions.
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Activating Active Steering Assist
Requirements
®
ESP must be activated, but not intervening.
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Active Distance Assist DISTRONIC is activa‐
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ted.
If indicator lamp 1 is off: press button 2.
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Function of Active Lane Change Assist
% The availability of the following function is
country-dependent.
Active Lane Change Assist supports the driver
when changing lanes by applying steering torque
if the driver operates a turn signal.
Assistance when changing lanes is provided if all
the following conditions are met:
You are driving on a freeway or road with
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multiple lanes in the direction of travel.
The neighboring lane is separated by a bro‐
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ken lane marking.
No vehicle is detected in the adjacent lane.
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The driven speed is between 50 mph
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(80 km/h) and 110 mph (180 km/h).
Active Lane Change Assist is switched on in
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the multimedia system.
Active Steering Assist is switched on and
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active.