Mercedes-Benz B-Class Owner's Manual page 244

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 road's course not clearly visible
R
road narrowing
R
varying maximum permissible speeds in indi-
R
vidual lanes, for example at toll stations
wet road surfaces, snow or ice
R
when towing a trailer
R
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
R
route
If map data is not up-to-date or available
R
In the event of roadworks
R
In bad weather or road conditions
R
If the accelerator pedal is depressed
R
In the event of electronically displayed
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speed limitations
Adapt the speed to the tra c situation.
#
Se Setting r tting rout oute-based speed adapt e-based speed adaptation
R R eq equir uirements: ements:
Active Distance Assist DISTRONIC is activa-
R
ted.
ECO Assist is active.
R
Multimedia system:
© Settings Assistance
4 5 5
Route-based speed adapt.
5
Activate or deactivate the function.
#
When the function is active, the vehicle speed
is adjusted depending on the route events
ahead.
% Further information on the route-based speed
adaptation (
A A ctiv ctive St e Steer eering Assist
F F unction of A unction of Activ
Active Steering Assist is only available up to a
speed of 210 km/h. The system helps you to stay
in the centre of the lane by means of moderate
steering interventions. Depending on the speed
ation driven, Active Steering Assist uses the vehicles
ahead and lane markings as a reference.
% Depending on the country, in the lower speed
range Active Steering Assist can use the sur-
rounding tra c as a reference. If necessary,
Active Steering Assist can then also provide
assistance when driving outside the centre of
the lane, for example, to form a rescue lane.
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.
Driving and parking 241
page 240).
/
ing Assist
ctive St e Steer eering Assist ing Assist
241