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R
If the road condition is poor (uneven road
surface or potholes).
R
If there is a strong side wind.
R
If you adopt a sporty driving style (high cor‐
nering speeds or high rates of acceleration).
R
If the Steering Assist function of Active Dis‐
tance Assist DISTRONIC is active.
R
If the time has been set incorrectly.
R
In active driving situations, if you change
lanes and vary your speed frequently.
The ATTENTION ASSIST tiredness or alertness
assessment is deleted and restarted when con‐
tinuing the journey in the following situations:
R
If you switch off the engine.
R
If you unfasten your seat belt and open the
driver's door (e.g. changing drivers or taking
a break).
Setting ATTENTION ASSIST
Multimedia system:
4
©
5
Settings
5
Assistance
5
Attention Assist
Setting options
#
Select Standard, Sensitive or Off.
Suggesting a rest area
#
Select Suggest Rest Area.
#
Activate or deactivate the function.
If ATTENTION ASSIST detects fatigue or
increasing lack of attention, it suggests a
rest area in the vicinity.
#
Select the suggested rest area.
You are guided to the selected rest area.
Traffic Sign Assist
Function of Traffic Sign Assist
Traffic Sign Assist detects traffic signs with mul‐
tifunction camera 1. It assists you by display‐
ing detected speed limits and overtaking restric‐
tions in the instrument cluster and optionally in
the head-up display or central display.
Since Traffic Sign Assist also uses the data
stored in the navigation system, it can update
the display in the following situations without
detecting traffic signs:
R
When the vehicle changes roads, e.g. a free‐
way entry or exit road.
Driving and parking
201
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