To start the vehicle without actively using the
key:
R
the Start/Stop button must be inserted in the
ignition lock
R
the key must be in the vehicle
R
the vehicle must not be locked with the key or
KEYLESS-GO (
Y
page 81)
Do not keep the key:
R
with electronic devices, e.g. a mobile phone
or another key
R
with metallic objects, e.g. coins or metal film
R
inside metallic objects, e.g. a metal case
This can affect the key's functionality.
If you lock the vehicle with the key's remote
control or with KEYLESS-GO, after a short time:
R
you will not be able to switch on the ignition
with the Start/Stop button
R
you will not be able to start the engine with the
Start/Stop button until the vehicle is
unlocked again
If you lock the vehicle centrally using the button
on the front door (
Y
page 87), you can continue
to start the engine with the Start/Stop button.
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
When you switch on the ignition, all of the indi-
cator lamps in the instrument cluster light up.
Further information on situations where an indi-
cator lamp either fails to go out after starting the
engine or lights up while driving (
Y
page 286).
If Start/Stop button
:
has not yet been
pressed, this corresponds to the key being
removed from the ignition.
X
To switch on the power supply: press
Start/Stop button
:
once.
The power supply is switched on. You can now
activate the windscreen wipers, for example.
The power supply is switched off again if:
R
the driver's door is opened and
R
you press Start/Stop button
:
twice when in
this position
X
To switch on the ignition: press Start/Stop
button
:
twice.
The ignition is switched on.
The ignition is switched off again if:
R
you do not start the engine from this position
within 15 minutes
R
you press Start/Stop button
:
twice when in
this position
The power supply is switched off again if:
R
the driver's door is opened and
R
you press Start/Stop button
:
twice when in
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 key.
It is only possible to switch between Start/Stop
button mode and key operation when the trans-
mission is in position P.
X
Remove Start/Stop button
:
from ignition
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
key with you when leaving the vehicle. As long as
the key is in the vehicle:
R
the vehicle can be started using the Start/
Stop button
R
the electrically powered equipment can be
operated
146
Driving
Driving
and
parking
