Mercedes-Benz S-Class, Operator'S Manual

Page: 225 / 586

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:
R
The driver's eyes are covered due to the
steering column position, for example.
R
Poor ambient light.
R
Some types of eyeglasses or sunglasses.
R
The driver's line of vision is outside the driver
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:
R
If you switch off the engine.
R
If you unfasten your seat belt and open the
driver's door (e.g. to change drivers or take a
break).
Setting ATTENTION ASSIST
Multimedia system:
4
©
5
Settings
5
Assistance
5
Assistance
5
ATTENTION ASSIST
Setting the sensitivity
#
Tap the current setting.
#
Select Standard or Sensitive .
Activating/deactivating the microsleep
warning
#
Activate/deactivate Microsleep Warning .
Active Distance Assist DISTRONIC
Function of Active Distance Assist
DISTRONIC
Active Distance Assist DISTRONIC maintains the
set speed on free-flowing roads. If vehicles in
front are detected, the set distance is main‐
tained, if necessary, until the vehicle comes to a
halt. The vehicle accelerates or brakes depend‐
ing on the distance to the vehicle in front and
the set speed. The speed and distance to the
vehicle in front are set and saved using the
steering wheel.
Active Distance Assist DISTRONIC is available in
the 15 mph (20 km/h) to 130 mph (210 km/h)
speed range.
Other features of Active Distance Assist
DISTRONIC:
R
Adjusts the driving style depending on the
selected drive program (fuel-saving, comfort‐
able or dynamic) (
/
page 198)
R
Initiates acceleration to the stored speed if
the turn signal indicator is switched on to
change to the overtaking lane
R
Reacts to stationary vehicles detected in
urban speed ranges (except bicycles and
motorcycles)
R
Takes one-sided overtaking restrictions into
account on highways or on multi-lane roads
with separate roadways (country-dependent)
Additional function available in certain coun‐
tries: if Active Distance Assist DISTRONIC has
braked the vehicle to a standstill, it can automat‐
ically follow the vehicle in front when driving off
Driving and parking 223