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If the driver depresses the accelerator or
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.
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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:
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If map data is not up to date or available
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If you do not follow the selected route
guidance
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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.
Setting route-based speed adjustment
Requirements:
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Active Distance Assist DISTRONIC is activa‐
ted.
Multimedia system:
4
©
5
Settings
5
Assistance
5
Route-based Speed
#
Activate or deactivate the function.
When the function is active, the vehicle
speed is adjusted depending on the route
events ahead.
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Further information on the route-based
speed adaptation (/ page 174).
Active Steering Assist
Function of Active Steering Assist
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Active Steering Assist is country-dependent
and only available for vehicles with the Driv‐
ing Assistance 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.
If the detection of lane markings and vehicles
ahead is impaired, Active Steering Assist
switches to passive mode. The system provides
no support in this case. During the transition
from active to passive status, the è symbol is
shown as enlarged and flashes yellow. Once the
system is passive, the è symbol is shown as
gray in the multifunction display.
Driving and parking
175
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