Mercedes-Benz 2013 C-Class W204 Sedan Owner's Manual page 170

Driving
168
Vehicles with KEYLESS-GO are equipped with
a key featuring an integrated KEYLESS-GO
function and a detachable Start/Stop button.
The Start/Stop button must be inserted in the
ignition lock and the key must be in the vehi-
cle.
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.
X
Position 0: if Start/Stop button : has not
yet been pressed, this corresponds to the
key being removed from the ignition.
X
Position 1: press Start/Stop button :.
You can now activate the windscreen wip-
ers, for example.
i If you then open the driver's door when in
this position, the power supply is deactiva-
ted.
X
Position 2: (ignition): press Start/Stop but-
ton : twice.
The power supply is switched off again if:
i
the driver's door is opened and
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you press Start/Stop button : once
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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 nor-
mal using the key.
i
You do not have to remove the Start/Stop
button from the ignition lock when you
leave the vehicle.
X
Remove Start/Stop button : from ignition
lock ;.
i When you insert Start/Stop button :
into ignition lock ;, the system needs
approximately two seconds recognition
time. You can then use Start/Stop but-
ton :.
Starting the engine
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
open the doors, thus endangering other
R
people or road users.
get out and disrupt traffic.
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operate the vehicle's equipment.
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Additionally, children could set the vehicle in
motion if, for example, they:
release the parking brake.
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shift the automatic transmission out of
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parking position P.