KEYLESS-GO
General notes
Vehicles with KEYLESS-GO are equipped with
a SmartKey featuring an integrated KEYLESS-
GO start function and a detachable Start/
Stop button.
The Start/Stop button must be inserted in the
ignition lock and the SmartKey must be in the
vehicle.
When you insert the Start/Stop button into
the ignition lock, the system needs approx-
imately two seconds recognition time. You
can then use the Start/Stop button.
Pressing the Start/Stop button several times
in succession corresponds to the different
key positions in the ignition lock. This is only
the case if you are not depressing the brake
pedal.
If you depress the brake pedal and press the
Start/Stop button, the engine starts immedi-
ately.
A check which periodically establishes a radio
connection between the vehicle and the
SmartKey determines whether a valid Smart-
Key is in the vehicle. This occurs, for example,
when starting the engine.
To start the vehicle without actively using the
SmartKey:
R
the Start/Stop button must be inserted in
the ignition lock.
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the SmartKey must be in the vehicle.
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the vehicle must not be locked with the
SmartKey or KEYLESS-GO (
Y page 73).
Do not keep the SmartKey:
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with electronic devices, e.g. a mobile
phone or another SmartKey.
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with metallic objects, e.g. coins or metal
foil.
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inside metallic objects, e.g. a metal case.
This can impair the functionality of the KEY-
LESS-GO key.
If you lock the vehicle with the SmartKey's
remote control or with KEYLESS-GO, after a
short time:
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you will not be able to switch on the ignition
with the Start/Stop button.
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you will not be able to start the engine with
the Start/Stop button until the vehicle is
unlocked again.
i
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
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 243).
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 windshield wipers, for
example.
If you then open the driver's door when in
this position, the power supply is deactiva-
ted.
140
Driving
Driving and parking
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