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If Active Distance Assist DISTRONIC has been put
into passive mode by pressing the accelerator
pedal, only speed limits which are higher than the
set speed are adopted.
The maximum permissible speed does not take
the road condition and current weather and traffic
conditions into account. Adjust your speed
accordingly, when necessary.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recognize
dangers (
page 174).
/
System limits
The system limits of Traffic Sign Assist apply to
the detection of traffic signs (
page 204).
/
Speed limits below 12 mph (20 km/h) are not
automatically adopted by the system as the stored
speed. Temporary speed restrictions (e.g. for a
certain time or due to weather conditions) cannot
be properly detected by the system. The maxi-
mum permissible speed applying to a vehicle with
a trailer is not detected by the system.
Adjust the speed in these situations.
& WARNING Risk of accident due to Active
Speed Limit Assist adapting the vehicle's
speed
The speed adopted by Active Speed Limit
Assist may be too high or incorrect in some
individual cases, such as:
at speed limits below 12 mph (20 km/h)
R
in wet conditions or in fog
R
when towing a trailer
R
Ensure that the driven speed complies
#
with traffic regulations.
Adjust the driving speed to suit current
#
traffic and weather conditions.
Function of route-based speed adaptation
When Active Distance Assist DISTRONIC is activa-
ted, the vehicle speed will be adapted according
to the route events ahead. Depending on the drive
program selected, the vehicle will negotiate a
route event ahead in a fuel-saving, comfortable or
dynamic manner. When the route event has been
passed, the vehicle will accelerate again to the
stored speed. The set distance to the vehicle in
Driving and parking 191
front, vehicles detected ahead and speed restric-
tions ahead will be taken into account.
Route-based speed adaptation can be activated in
the multimedia system (
page 192).
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The following route events are taken into account:
Bends
R
Traffic circles
R
T-intersections
R
Turns and exits
R
Traffic jams ahead (only with Live Traffic )
R
Also, the speed is reduced if the turn signal indi-
cator is switched on and one of the following sit-
uations is detected:
Turning at intersections
R
Driving on slowing-down lanes
R
Driving on lanes adjacent to slowing-down
R
lanes
The driver is responsible for choosing the right
speed and observing other road users. This
applies in particular to intersections, traffic circles
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