Mercedes-Benz E-Class Sedan Operator's Manual page 193

If the time has been set incorrectly.
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In active driving situations, if you change
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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:
If you switch off the engine.
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If you unfasten your seat belt and open the
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driver's door (e.g. change drivers or take a
break).
Activating/deactivating ATTENTION ASSIST
Multimedia system:
k
, .
Selection options
Select ,
#
Traffic Sign Assist
Function of Traffic Sign Assist
.
or .
Traffic Sign Assist detects traffic signs with mul‐
tifunction camera
ing detected speed limits and overtaking restric‐
tions in the instrument cluster. The camera also
detects traffic signs with a restriction indicated
by an additional sign (e.g. in wet conditions).
1 and assists you by display‐
Driving and parking 191
Warning when the maximum permissible
speed is exceeded
The system can warn you if you unintentionally
exceed the maximum permissible speed. To do
this, you can specify in the multimedia system
by how much the maximum permissible speed
can be exceeded before a warning is issued. You
can specify whether the warning is to be just a
visual warning or an acoustic one as well.
Display in the Instrument Display
1 Permissible speed
2 Permissible speed when there is a restriction
3 Additional sign with restriction