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170 Driving and parking
170
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 intersections, tra c circles
and tra c lights because route-based speed
adaptation does not brake the vehicle to a stand-
still.
When route guidance is active, the rst speed
adjustment is carried out automatically. If the turn
signal indicator is switched on, the selected route
is con rmed and further speed adjustment is acti-
vated.
Speed adaptation is canceled in the following
cases:
If the turn signal indicator is switched o
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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 limits
Syst
em limits
Route-based speed adaptation does not take right
of way regulations into account. The driver is
responsible for complying with road tra c regula-
tions and driving at a suitable speed.
The speed adaptation made by the system may
not always be suitable, particularly in the following
situations:
The course of the road is not clearly visible
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Road narrowing
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Varying maximum permissible speeds in indi-
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vidual lanes, forexample at toll stations
Wet road surfaces, snow or ice
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In these situations, the driver must intervene
accordingly.
& W W ARNING
ARNING Risk of accident in spite of
route-based speed adaptation
Route-based speed adaptation can malfunc-
tion or be temporarily unavailable in the fol-
lowing situations:
If the driver does not follow the calculated
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route
If map data is not up-to-date or available
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In the event of roadworks
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In bad weather or road conditions
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If the accelerator pedal is depressed
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In the event of electronically displayed
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speed limitations
Adapt the speed to the tra c situation.
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Se Setting r
tting rout
oute-based speed adjus
e-based speed adjustment
tment
R R eq equir uirements:
ements:
Active Distance Assist DISTRONIC is activa-
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ted.
Multimedia system:
Vehicle
k Assistance
4
5
Speed Adjustment
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Activate O or deactivate ª the function.
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A A ctiv
ctive St
e Steer
eering Assist
ing Assist
F F unction of A
unction of Activ
ctive St
e Steer
eering Assist
ing Assist
Active Steering Assist is available only up to a
speed of 130 mph (210 km/h). The system helps
you to stay in the center of the lane by means of
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