Mercedes-Benz S-Class, Operator'S Manual

Page: 223 / 586

In the following situations, the vehicle is held by
transmission position j and/or by the electric
parking brake:
R
The seat belt is unfastened and the driver's
door is opened.
R
The vehicle is switched off.
R
There is a malfunction in the system or the
power supply is insufficient.
In addition, the Brake Immediately message may
appear in the driver's display and a horn tone
may sound at regular intervals.
#
Immediately depress the brake pedal firmly
until the warning message disappears.
The HOLD function is deactivated.
#
Additionally secure the vehicle against rolling
away.
Function of Hill Start Assist
Hill Start Assist holds the vehicle for a short
time when pulling away on a hill under the fol‐
lowing conditions:
R
The transmission is in position h or k .
R
The electric parking brake is released.
This gives you enough time to move your foot
from the brake pedal to the accelerator pedal
and depress it before the vehicle begins to roll
away.
&
WARNING Risk of accident and injury
due to the vehicle rolling away
After a short time, Hill Start Assist no longer
holds the vehicle.
#
Swiftly move your foot from the brake
pedal to the accelerator pedal. Do not
leave the vehicle when it is being held
by Hill Start Assist.
ATTENTION ASSIST
Function of ATTENTION ASSIST with micro‐
sleep detection
% The microsleep detection subfunction is only
available in combination with the driver cam‐
era.
ATTENTION ASSIST assists you on long, monoto‐
nous journeys, e.g. on highways and trunk roads.
If indicators of fatigue or increasing lapses in
concentration on the part of the driver are
detected, the system suggests taking a break.
ATTENTION ASSIST is only an aid. It cannot
always detect fatigue or lapses in concentration
in time. The system is not a substitute for a well-
rested and attentive driver. On long journeys,
take regular breaks in good time that allow for
adequate recuperation.
You can choose between two settings:
R
Standard: normal system sensitivity.
R
Sensitive: increased system sensitivity: the
driver is warned earlier and the attention
level detected by the system is adapted
accordingly.
If drowsiness or increasing lapses in concentra‐
tion are detected, the ATTENTION ASSIST: Take
a Break! warning appears in the driver display.
You can acknowledge the message and take a
break where necessary. If you do not take a
break and ATTENTION ASSIST continues to
detect increasing lapses in concentration, you
Driving and parking 221