Mercedes-Benz A Series 2015 Owner's Manual page 161

Driving
158
Pressing the Start/Stop button several times
in succession corresponds to the different
key positions in the ignition lock. Pre-requi-
site for this is that:
you do not depress the brake pedal (vehi-
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cles with automatic transmission)
you do not depress the clutch pedal (vehi-
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cles with manual transmission)
If you depress the brake pedal and press the
Start/Stop button, the engine starts immedi-
ately (vehicles with automatic transmission).
If you depress the clutch pedal and press the
Start/Stop button, the engine starts immedi-
ately (vehicles with manual transmission).
To start the vehicle without actively using the
key:
the Start/Stop button must be inserted in
R
the ignition lock
the key must be in the vehicle
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the vehicle must not be locked with the key
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or KEYLESS-GO (
Do not keep the KEYLESS-GO key:
with electronic devices, e.g. a mobile
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phone or another key
with metallic objects, e.g. coins or metal
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film
inside metallic objects, e.g. a metal case
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This can affect the functionality of KEYLESS-
GO.
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
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the Start/Stop button until the vehicle is
unlocked again
If you lock the vehicle centrally using the but-
ton on the front door (
continue to start the engine with the Start/
Stop button.
The engine can be switched off while the vehi-
cle is in motion by pressing and holding the
Start/Stop button for three seconds. This
page 83)
Y
page 90), you can
Y
function operates independently of the ECO
start/stop automatic engine switch-off func-
tion.
Key positions with the Start/Stop button
Start/Stop button
:
Ignition lock
;
When you switch on the ignition, all of 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
( page 294).
Y
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
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in this position
To switch on the ignition: press Start/
X
Stop button : twice.
The ignition is switched on.
If you press Start/Stop button : once
when in this position, the ignition is deac-
tivated again.