Driver assistance systems
Note
adjustment due to the road layout, the vehi-
cle will accelerate again after leaving the
reason for the adjustment behind and the
speed will be adjustment to that which has
been saved.
Lane Assist
●
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.
Introduction
The Lane Assist System helps the driver
stay in his/her lane within the physical lim-
its of the system. This function is not suita-
ble and is not designed to keep the vehicle
automatically in the lane.
The speeds indicated for curves depend on
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If the speed of travel considerably ex-
the driving profile page 234.
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ceeds the speed limit detected by the traf-
fic signal detection system, a relevant
warning is displayed in the instrument pan-
el display.
Interrupting speed adjustment
●
●
During the warning, press the button .
During the adjustment, press the button .
Using the camera located in the windscreen,
the Lane Assist system detects the limits (lane
lines) dividing the lanes in which the vehicle is
travelling. If the vehicle gets too close to the
detected lane limits, the system alerts the
driver through a corrective motion of the
steering wheel. The driver can cancel the
steering corrective action at any time.
●
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 rec-
ommended speed.
Adjust the announced speed
The announced speed can only be adjusted
in the event of adjustment due to a speed lim-
itation.
Multifunction steering wheel:
No warning is produced with the turn signals
activated, given that the Lane Assist system
understands that a lane change is required.
+ 1 km/h (1 mph), only while the ACC is
Troubleshooting
adjusting
A message is displayed indicating that
proactive speed adjustment is not current-
ly available or not in your country.
- 1 km/h (1 mph), only while the ACC is
System limits
adjusting
Use the Lane Assist system only on large,
well-maintained motorways and highways.
+ 10 km/h (5 mph)
+
●
If this message is displayed for a long time
- 10 km/h (5 mph)
and proactive speed adjustment is available
in your country, contact a specialised work-
shop.
–
The system is not available under the follow-
ing conditions:
If you adjust the indicated speed excessively,
the proactive speed adjustment is interrup-
ted.
●
The driving speed allowed is below approx.
55 km/h (30 mph).
Note
●
The system has not detected any lane
lines.
Depending on the anomaly in question, ad-
ditional information may be displayed in
»
Vehicle status page 92.
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English 
