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To start the vehicle without actively using the
key:
the Start/Stop button must be inserted in the
R
ignition lock
the key must be in the vehicle
R
the vehicle must not be locked with the key or
R
KEYLESS-GO (
page 85)
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Do not keep the key:
with electronic devices, e.g. a mobile phone
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or another key
with metallic objects, e.g. coins or metal film
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inside metallic objects, e.g. a metal case
R
This can affect the function of the key with KEY-
LESS-GO.
Do not keep the KEYLESS-GO key in the tem-
perature-controlled cup holder (
Otherwise, the KEYLESS-GO or KEYLESS-GO
Start function key will not be detected.
If you lock the vehicle with the key's remote
control or with KEYLESS-GO, after a short time:
you will not be able to switch on the ignition
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with the Start/Stop button
you will not be able to start the engine with the
R
Start/Stop button until the vehicle is
unlocked again
If you lock the vehicle centrally using the button
on the front door (
page 91), you can continue
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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 KEYLESS-GO
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 (
If Start/Stop button : has not yet been
pressed, this corresponds to the key 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 windscreen wipers, for example.
The power supply is switched off again if:
the driver's door is opened and
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you press Start/Stop button : twice when in
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this position
page 362).
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To switch on the ignition: press Start/Stop
X
button : twice.
The ignition is switched on.
If you press Start/Stop button : once when
in this position, the ignition is deactivated
again.
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 KEYLESS-
GO mode and key operation when the transmis-
sion 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
key with you when leaving the vehicle. As long as
the key is in the vehicle:
the vehicle can be started using the Start/
R
Stop button
the electrically powered equipment can be
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operated
Driving
159
page 339).
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Z
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