Mercedes-Benz S-Class 2020 Owner's Manual page 242

Microsleep detection also does not function
when the driver camera cannot detect the eyes
of the driver, as a result of the following factors,
for example:
The driver's eyes are covered due to the
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steering column position, for example.
Poor lighting conditions.
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Some types of spectacles or sunglasses.
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The driver's line of vision is outside the driver
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camera's field of vision.
Also observe any information regarding display
messages that can be displayed in the driver dis‐
play.
The tiredness and alertness assessment of
ATTENTION ASSIST with microsleep detection is
reset and restarted when continuing 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. to change drivers or take a
break).
Setting ATTENTION ASSIST
Multimedia system:
© Settings Assistance
4 5 5
Assistance ATTENTION ASSIST
5 5
Setting the sensitivity
Tap the current setting.
#
Select Standard or Sensitive.
#
Activating/deactivating the microsleep
warning
Activate/deactivate Microsleep
#
Limiter
Function of the limiter
The limiter restricts the speed of the vehicle. To
reduce the speed to the set speed, the limiter
applies the brakes automatically.
You can limit the speed as follows:
Variable: for a short-term speed restriction,
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e.g. in built-up areas
Permanent: for a longer-term speed restric‐
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tion, e.g. in winter tyre mode
The variable limiter is operated using the corre‐
sponding steering wheel buttons (
You can store any speed above 20 km/h up to
the maximum design speed or up to the set win‐
ter tyre limit. You can also perform settings
while the vehicle is stationary if the vehicle has
been started.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recog‐
nise dangers (
Messages in the driver display
warning.
È (grey): variable limiter is selected but
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not yet activated.
È (flashes grey): variable limiter is tempo‐
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rarily passive.
È (green): variable limiter is activated.
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A stored speed appears under the È display
and is indicated in the speedometer.
When the driving speed is greater than the
stored speed, the È display flashes.
Driving and parking 239
page 243).
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page 230).
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