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206 Driving and parking
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When the toll station is reached, Active Dis‐
tance Assist DISTRONIC adopts the speed as
the stored speed.
Also, the speed is reduced if the turn signal to
change lanes is switched on and one of the fol‐
lowing situations is detected:
Turning off at junctions
R
Driving on slowing-down lanes
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Driving on lanes adjacent to slowing-down
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lanes
The driver is responsible for choosing the right
speed and observing other road users. This
applies in particular to junctions, roundabouts
and traffic lights, as route-based speed adapta‐
tion does not brake the vehicle to a standstill.
When route guidance is active, the first speed
adjustment is carried out automatically. If the
turn signal indicator is switched on, the selected
route is confirmed and further speed adjustment
is activated.
Speed adjustment is cancelled in the following
cases:
If the turn signal indicator is switched off
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before the route event.
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‐
R
ted.
Multimedia system:
Vehicle
k Assistance
ment
Activate O or deactivate ª the function.
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Speed adjust-
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