Key Positions - Mercedes-Benz S-Class Coupe Operator's Manual

Driving
122
The engine can be switched off while the vehicle
is in motion by pressing and holding the Start/
Stop button for three seconds. This function
operates independently of the ECO start/stop
automatic engine switch-off function.
Key positions with the Start/Stop button
: Start/Stop button
Ignition lock
;
As soon as the ignition is switched on, all the
indicator lamps in the instrument cluster light
up. Warning and indicator lamps: see
( page 231).
Y
If Start/Stop button : has not yet been
pressed, this corresponds to the SmartKey
being removed from the ignition.
To switch on the power supply: press
X
Start/Stop button : once.
The power supply is switched on. You can now
activate the windshield wipers, for example.
The power supply is switched off again if:
the driver's door is opened and
R
you press Start/Stop button : twice when in
R
this position
To switch on the ignition: press Start/Stop
X
button : twice.
The ignition is switched on.
The ignition is switched off again if:
you do not start the engine within 15 minutes
R
when in this position
you press Start/Stop button : twice when in
R
this position.
The power supply is switched off again if:
the driver's door is opened and
R
you press Start/Stop button : twice when in
R
this position
Removing the Start/Stop button
You can remove the Start/Stop button from the
ignition lock and start the vehicle as normal
using the SmartKey.
It is only possible to switch between Start/Stop
button mode and SmartKey operation when the
transmission is in position P.
Remove Start/Stop button : from ignition
X
lock ;.
You do not have to remove the Start/Stop but-
ton from the ignition lock when you leave the
vehicle. You should, however, always take the
SmartKey with you when leaving the vehicle. As
long as the SmartKey is in the vehicle:
the vehicle can be started using the Start/
R
Stop button
the electrically powered equipment can be
R
operated
Starting the engine
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
open the doors, thus endangering other
R
people or road users.
get out and disrupt traffic.
R
operate the vehicle's equipment.
R
Additionally, children could set the vehicle in
motion if, for example, they:
release the parking brake.
R
shifting the automatic transmission out of
R
park position P
Start the engine.
R
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.