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Press ±.
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®
If you brake or deactivate ESP
intervenes, Active Distance Assist DISTRONIC
will be deactivated.
▌Function of Active Speed Limit Assist
If a change in the speed limit of 12 mph
(20 km/h) or more is detected and automatic
adoption of speed limits is activated, the new
speed limit is automatically adopted as the stored
speed (
page 206).
/
The driven speed is adjusted when the vehicle is
level with the traffic sign at the latest. In the case
of signs indicating entry into an urban area, the
speed is adapted according to the speed permit-
ted within the urban area. The speed limit display
on the driver's display is always updated when the
vehicle is level with the traffic sign.
If there is no speed restriction on an unlimited
stretch of road (e.g. on a highway), the recom-
mended speed is automatically adopted as the
stored speed. The system uses the speed stored
on an unlimited stretch of road as the recommen-
ded speed. If you do not alter the stored speed on
an unlimited stretch of road, the recommended
speed is 80 mph (130 km/h).
®
or if ESP
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.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recognize
dangers (
page 175).
/
System limits
The system limits of Traffic Sign Assist apply to
the detection of traffic signs (
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.
Adjust the speed in these situations.
& WARNING Risk of accident due to adjust-
ment of speed by Active Speed Limit
Assist.
The speed adopted by the Active Speed Limit
Assist may be too high or incorrect in individ-
ual cases:
At limit speeds below 12 mph (20 km/h)
R
In wet or foggy conditions
R
Ensure that the speed being driven
#
always complies with the traffic laws.
page 203).
/
Adjust the speed being driven to the cur-
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rent traffic and weather conditions.
▌Function of route-based speed adaptation
When Active Distance Assist DISTRONIC is activa-
ted, the vehicle speed will be adapted accordingly
to the route events ahead. Depending on the drive
program selected, the vehicle negotiates a route
event ahead in an economical, comfortable or
dynamic manner. When the route event has been
passed, the vehicle accelerates again to the
stored speed. The set distance to the vehicle in
Driving and parking 191
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