Mercedes-Benz C-Class Operator's Manual page 188

Driving systems
186
The ATTENTION ASSIST tiredness assess-
ment is deleted and restarted when continu-
ing the journey, if:
you switch off the engine
R
you take off your seat belt and open the
R
driver's door, e.g. for a change of drivers or
to take a break
Displaying the attention level
You can have current status information dis-
played in the assistance menu of the on-
board computer.
Select the Assistance display for Attention
X
Assist using the on-board computer
( page 205).
Y
The following information is displayed:
length of the journey since the last break.
R
the attention level determined by ATTEN-
R
TION ASSIST (Attention
played in a bar display in five levels from
high to low.
If ATTENTION ASSIST is unable to calculate
R
the attention level and cannot issue a warn-
System Suspended
ing, the
appears. The bar display then changes the
display, e.g. if you are driving at a speed
below 37 mph (60 km/h) or above 124 mph
(200 km/h).
Activating ATTENTION ASSIST
Activate ATTENTION ASSIST using the on-
X
board computer (
The system determines the attention level
of the driver depending on the setting
selected:
Selection Standard: the sensitivity with
which the system determines the attention
level is set to normal.
Selection Sensitive: the sensitivity is set
higher. The attention level detected by Atten-
tion Assist is adapted accordingly and the
driver is warned earlier.
When ATTENTION ASSIST is deactivated, the
é symbol appears in the multifunction
display in the assistance graphic display.
When ATTENTION ASSIST has been deactiva-
ted, it is automatically reactivated after the
engine has been stopped. The sensitivity
selected corresponds to the last selection
activated (standard/sensitive).
Warning in the multifunction display
If fatigue or increasing lapses in concentra-
tion are detected, a warning appears in the
multifunction display:
Take a
In addition to the message shown in the mul-
tifunction display, you will then hear a warn-
Level), dis-
ing tone.
If necessary, take a break.
X
Confirm the message by pressing the a
X
button on the steering wheel.
On long journeys, take regular breaks in good
message
time to allow yourself to rest properly. If you
do not take a break and ATTENTION ASSIST
still detects increasing lapses in concentra-
tion, you will be warned again after
15 minutes at the earliest. This will only hap-
pen if ATTENTION ASSIST still detects typical
indicators of fatigue or increasing lapses in
concentration.
If a warning is output in the multifunction dis-
play, a service station search is performed in
page 205).
Y
ATTENTION ASSIST
Break!.