To start the vehicle without actively using the
Smartkey:
R
the Start/Stop button must be inserted in the
ignition lock.
R
the Smartkey must be in the vehicle.
R
the vehicle must not be locked with the
SmartKey or KEYLESS-GO (
Y
page 80).
Do not keep the SmartKey:
R
with electronic devices, e.g. a mobile phone
or another SmartKey.
R
with metallic objects, e.g. coins or metal foil.
R
inside metallic objects, e.g. a metal case.
This can affect the functionality of the Smart-
Key.
Do not keep the SmartKey in the temperature-
controlled cup holder (
Y
page 332). Otherwise,
the key will not be detected, e.g. when starting
the engine with the Start/Stop button.
If you lock the vehicle with the SmartKey'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 86), 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
As soon as the ignition is switched on, all the
indicator lamps in the instrument cluster light
up. Further information on situations where an
indicator lamp either fails to go out after starting
the engine or lights up while driving
(
Y
page 315).
If Start/Stop button
:
has not yet been
pressed, this corresponds to the SmartKey
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 windshield 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 within 15 minutes
when in this position
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 Smartkey.
It is only possible to switch between Start/Stop
button mode and Smartkey operation when the
transmission 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
Smartkey with you when leaving the vehicle. As
long as the Smartkey is in the vehicle:
R
the vehicle can be started using the Start/
Stop button
R
the electrically powered equipment can be
operated
Driving
163
Driving
and
parking
Z
