Mercedes-Benz S-Class 2019 Operator's Manual page 210

208 Driving and parking
If the driver depresses the accelerator or
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brake pedal during the process.
System limitations
Route-based speed adaptation does not take
right of way regulations into account. The driver
is responsible for complying with road traffic
regulations and driving at a suitable speed.
In difficult conditions (e.g. unclear roads, narrow
lanes, wet road surfaces, snow or ice) or when
driving with a trailer, the speed adjustment made
by the system may not always be suitable. In
these situations the driver must intervene
accordingly.
& WARNING Risk of accident in spite of
route-based speed adjustment
Route-based speed adjustment might mal‐
function or be temporarily unavailable in the
following situations:
If map data is not up to date or available
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If you do not follow the selected route
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guidance
If the set route is re-planned
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In road construction areas
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When towing a trailer
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In bad weather or road conditions
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If the accelerator pedal is depressed
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Adjust the speed to the traffic situation.
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Setting route-based speed adjustment
Requirements:
Active Distance Assist DISTRONIC is activa‐
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ted.
Multimedia system:
Vehicle k Assistance
, .
Adjustment
Activate O or deactivate ª the function.
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Active Steering Assist
Function of Active Steering Assist
Active Steering Assist is country-dependent and
only available for vehicles with the Driving Assis‐
tance Package.
Active Steering Assist is operational at speeds
up to 130 mph (210 km/h) and helps you to stay
in the center of the lane by means of moderate
steering interventions. It uses the vehicle in front
and the lane markings as a reference depending
on the driven speed.
When the system is actively steering, the è
symbol is shown in green in the multifunction
display.
Steering and touch detection
Speed
.
The driver is required to keep their hands on the
steering wheel at all times and to be able to
intervene at any time. The driver must expect a
change from active to passive mode or vice
versa at any time.