User Manual - Page 451

For 2020 C-Class Sedan C 300.

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Display messages
Possible causes/consequences and M Solutions
À
ATTENTION ASSIST: Take a
Break!
* ATTENTION ASSIST has detected fatigue or an increasing lack of concentration on the part of the driver
(/ page 215).
#
If necessary, take a break.
Traffic Sign Assist Inopera-
tive
* Traffic Sign Assist is malfunctioning.
#
Visit a qualified specialist workshop.
Active Lane Keeping Assist
Currently Unavailable See
Operator's Manual
* Active Lane Keeping Assist is temporarily unavailable.
The ambient conditions are outside the system limits (/ page 222).
#
Drive on.
As soon as the ambient conditions are within the system limits, the system will become available again.
* Active Steering Assist has reached its system limits.
#
Take over the steering and drive on in accordance with the traffic conditions.
Traffic Sign Assist Cur-
rently Unavailable See
Operator's Manual
* Traffic Sign Assist is temporarily unavailable.
#
Drive on.
Once the cause of the problem is no longer present, the system will be available again.
Display messages and warning/indicator lamps
451
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