Displaying The Attention Level; Activating Attention Assist - Mercedes-Benz S-Class Operator's Manual

Important safety notes
ATTENTION ASSIST is only an aid to the
driver. It might not always recognize fatigue
or increasing inattentiveness in time or fail to
recognize them at all. The system is not a
substitute for a well-rested and attentive
driver.
The functionality of ATTENTION ASSIST is
restricted and warnings may be delayed or
not occur at all:
if the length of the journey is less than
R
approximately 30 minutes
if the road condition is poor, e.g. if the
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surface is uneven or if there are potholes
if there is a strong side wind
R
if you have adopted a sporty driving style
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with high cornering speeds or high rates of
acceleration
if you are predominantly driving slower
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than 37 mph (60 km/h) or faster than
125 mph (200 km/h)
if you are driving with the active Steer
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Assist of DISTRONIC PLUS
if the time has been set incorrectly
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in active driving situations, such as when
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you change lanes or change your speed
ATTENTION ASSIST is reset when you
continue your journey and starts assessing
your tiredness again if:
you switch off the engine.
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you take off your seat belt and open the
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driver's door, e.g. for a change of drivers or
to take a break.
Driving systems

Displaying the attention level

You can have current status information
displayed in the assistance menu
( page 259) of the on-board computer.
Y
Select the Assistance display for Attention
X
Assist using the on-board computer
( page 258).
Y
The following information is displayed:
length of the journey since the last break.
R
the attention level determined by
R
ATTENTION ASSIST, displayed in a bar
display in five levels from high to low.
if ATTENTION ASSIST is unable to calculate
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the attention level and cannot output a
warning, the System Passive System Passive
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 (
Y
The system determines the attention level
of the driver depending on the setting
selected:
Standard selected: the sensitivity with
which the system determines the attention
level is set to normal.
Sensitive selected: the sensitivity is set
higher. The attention level detected by
Attention Assist is adapted accordingly and
the driver is warned earlier.
message
page 261).
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