Assistant systems
Activating the proactive speed adjust-
ment
In the infotainment system, in the assist serv-
ices menu, you can individually adjust the
t
ype of incident the vehicle should react to
›››
page 89:
●
Response to road layout.
●
Response at permitted speeds.
Driving with the proactive speed ad-
justment
●
Connect the ACC
›
›
›
page 243 .
●
Set the distance and speed.
●
Activate the proactive speed adjustment.
As soon as the system recognises a speed
limitation or a relevant road layout during the
route, a warning will appear on the instru-
ment panel display. This warning will indicate
the reason and the speed to which the vehi-
cle 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
limitation, the detected speed will be saved
as the new desired speed. In the event of ad-
justment due to the road layout, the vehicle
will accelerate again after leaving the reason
for the adjustment behind and the speed will
be adjustment to that which has been saved.
The speeds indicated for curves depend on
the driving profile
›››
page 225 .
Interrupting speed adjustment
●
During the warning, press the button .
●
During the adjustment, press the button
.
Adjust the announced speed
The announced speed can only be adjusted
in the event of adjustment due to a speed
limitation.
Multifunction steering wheel:
+ 1 km/h (1 mph), only while the ACC is
adjusting
- 1 km/h (1 mph), only while the ACC is
adjusting
+ 10 km/h (5 mph)
- 10 km/h (5 mph)
If you adjust the indicated speed excessively,
the proactive speed adjustment is interrup-
ted.
+
–
Note
●
When a speed limitation is recognised,
the proactive speed adjustment also adapts
the saved speed even if the ACC is switched
off. However, it will not adjust.
●
If the speed of travel considerably ex-
ceeds the speed limit detected by the traf-
fic signal detection system, a relevant warn-
ing is displayed in the instrument panel dis-
play.
●
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.
Problems and solutions
A message is displayed indicating that pro-
activ
e speed adjustment is not curr
ently
available or not in your country.
●
If this message is displayed for a long time
and proactive speed adjustment is available
in your country, contact a specialised work-
shop.
Note
Depending on the anomaly in question, ad-
ditional information may be displayed in
Vehicle status
›››
page 88 .
249
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