Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 192

190 Driving and parking
Starting the vehicle
▌Starting the vehicle with the start/stop button
& DANGER Risk of death caused by exhaust
gases
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases is hazardous to health
and leads to poisoning.
Never leave the engine or, if present, the
#
auxiliary heating running in an enclosed
space without sufficient ventilation.
& WARNING Risk of fire due to flammable
material in the engine compartment or the
exhaust system
Flammable materials may ignite.
Therefore, check regularly that there are
#
no flammable materials in the engine
compartment or on the exhaust system.
Requirements:
The key is in the vehicle and is recognised.
R
Shift the transmission to position j or i.
#
Depress the brake pedal and press button
#
once.
If the vehicle does not start: Switch off non-
#
essential consumers and press button
once.
If the vehicle still does not start and the dis-
#
play message Place the key in the marked
space See Owner's Manual
the driver display: Start the vehicle with the
key in the marked space (emergency opera-
tion mode) ( page 190).
/
% You can switch off the engine while driving. By
pressing button 1 for about three seconds
or by pressing button 1 three times within
three seconds. Be sure to observe the safety
notes under "Driving tips" (
/
Observe the information regarding display mes-
sages that can be displayed on the driver display.
▌Starting the vehicle with the key in the marked
space (emergency operation mode)
If the vehicle does not start and the display mes-
sage Place the key in the marked space See
P223 0288 02
Owner's Manual
can start the vehicle in emergency operation
1
mode.
1
also appears in
Make sure that the cup holder
#
Remove the key
#
Place the key
#
page 193).
The vehicle will start after a short time.
If the key
2, the engine continues running. For further
engine starts, however, the key
located in the cup
journey.
appears in the driver display, you
2 is empty.
1
from the key ring.
1 in the cup holder 2.
1 is removed from the cup holder
1 must be
holder2 during the entire