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184 Driving and parking
If a warning is shown on the driver's display, the
MBUX multimedia system offers to search for a
rest area. You can select a rest area and start
navigation to this rest area.
When you restart the vehicle, ATTENTION ASSIST
is automatically switched on. The last selected
sensitivity level remains stored.
System limits
ATTENTION ASSIST is active in the speed range
between 37 mph (60 km/h) and 124 mph
(200 km/h).
If the system is not available due to a fault, the
ATTENTION ASSIST warning lamp Û will light
up permanently on the driver's display
Particularly in the following situations, ATTENTION
ASSIST only functions in a restricted manner and
warnings may be delayed or not occur:
If you have been driving for less than approx-
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imately 30 minutes.
If the road condition is poor (uneven road sur-
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face or potholes).
If there is a strong crosswind.
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If you adopt a sporty driving style (high corner-
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ing speeds or high rates of acceleration).
If the Steering Assist function of Active Dis-
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tance Assist DISTRONIC is active.
If the clock is set to the incorrect time.
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If you change lanes and vary your speed fre-
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quently in active driving situations.
Also observe any information regarding display
messages that may be displayed on the driver's
display.
The ATTENTION ASSIST drowsiness or alertness
assessment is reset and restarted when continu-
ing the journey in the following situations:
You switch off the vehicle.
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You unfasten your seat belt and open the driv-
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er's door (e.g. to change drivers or take a
break).
▌Setting ATTENTION ASSIST
Multimedia system:
©
Settings
Assistance
4
5
5
Assistance
ATTENTION ASSIST
5
5
Setting the sensitivity
Select Z next to
ATTENTION
#
Select
Standard
or Sensitive.
#
Speed control cruise control
▌Function of cruise control
Cruise control regulates the speed to the value
selected by the driver.
If you accelerate to overtake, for example, the
stored speed is not deleted. If you remove your
foot from the accelerator pedal after overtaking,
cruise control will resume speed regulation back
to the stored speed.
You can store any speed from 15 mph (20 km/h)
up to the maximum design speed.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recognize
dangers (
page 175).
/
ASSIST.
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