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190
Assistant systems
Activating the predictive speed ad-
justment
In the inf
otainment system, in the assist services
menu, you can individually adjust the type of in-
cident the vehicle should react to ›››page40:
●
Response to road layout.
●
Response at permitted speeds.
Driving with the predictive speed ad-
justment
●
Connect the ACC ›››page184.
●
Set the distance and speed.
●
Activate the predictive speed adjustment.
As soon as the syst
em recognises a speed limi-
tation or a relevant road layout during the route,
a warning will appear on the instrument panel
display. This warning will indicate the reason
and the speed to which the vehicle will adjust
due to said limitation.
Adjustment due to a speed limitation.
Adjustment due to a road layout.
In the event of adjustment due to a speed lim-
itation, the detected speed will be saved as
the new desired speed. In the event of adjust-
ment due to the road layout, the vehicle will
accelerate again after leaving the reason for
the adjustment behind and the speed will be
adjustment t
o that which has been saved.
The speeds indicated for curves depend on the
driving profile›››page169.
Interrupting speed adjustment
●
During the warning, press the button
.
●
During the regulation, press the button .
Adjust the announced speed
The announced speed can only be adjust
ed in
the event of adjustment due to a speed limita-
tion.
Multifunction steering wheel:
+ 1 km/h (1 mph), only while the ACC is
adjusting
- 1 km/h (1 mph), only while the ACC is ad-
justing
+ 10 km/h (5mph)
- 10 km/h (5mph)
If you adjust the indicated speed excessively,
the pr
edictive speed adjustment is interrupted.
Note
●
When a speed limitation is recognised, the
pr
edictive speed adjustment also adapts the
saved speed even if the ACC is switched o.
However, it will not adjust.
●
If the speed of travel considerably exceeds
the speed limit det
ected by the trac signal
detection system, a relevant warning is dis-
played in the instrument panel display.
●
In the event of joining a highway without
speed limitation, the recommended speed is
automatically saved as the desired speed. If
a higher speed has previously been saved for
a motorway without a speed limit, this is used
instead of the recommended speed.
Troubleshooting
A message is displayed indicating that pre-
dictive speed adjustment is not currently
available or not in your country.
●
If this message is displayed for a long time
and predictive speed adjustment is available in
your country, contact a specialised workshop.
Note
Depending on the anomaly in question, ad-
ditional inf
ormation may be displayed in Ve-
hicle status ›››page39.
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