Mercedes-Benz C-Class Operator's Manual page 150

Driving
148
Starting the engine
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
open the doors, thus endangering other
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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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shifting the automatic transmission out of
R
park position P
Start the engine.
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There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation.
G
WARNING
Flammable materials introduced through
environmental influence or by animals can
ignite if in contact with the exhaust system or
parts of the engine that heat up. There is a risk
of fire.
Carry out regular checks to make sure that
there are no flammable foreign materials in
the engine compartment or in the exhaust
system.
!
Do not depress the accelerator when start-
ing the engine.
General notes
The catalytic converter is preheated for up to
30 seconds after a cold start. The sound of the
engine may change during this time.
Automatic transmission
Shift the transmission to position P
X
( page 156).
Y
The transmission position display in the mul-
tifunction display shows P (
i
You can start the engine in transmission
position P and N.
Starting procedure with the SmartKey
To start the engine using the SmartKey instead
of the Start/Stop button, pull the Start/Stop
button out of the ignition lock.
Turn the SmartKey to position 3 in the ignition
X
lock and release it as soon as the engine is
running ( page 146).
Y
If the engine will not start:
Remove the SmartKey from the ignition lock.
X
Reinsert the SmartKey into the ignition lock
X
after a short waiting period.
Turn the SmartKey to position 2 in the ignition
X
lock ( page 146).
Y
The indicator lamps in the instrument cluster
light up ( page 286).
Y
Turn the SmartKey to position 3 in the ignition
X
lock ( page 146) and release it as soon as the
Y
engine is running.
Starting procedure with the Start/Stop
button
The Start/Stop button is only available on vehi-
cles with KEYLESS-GO or the KEYLESS-GO start
function.
The Start/Stop button can be used to start the
vehicle manually without inserting the SmartKey
into the ignition lock. The Start/Stop button
must be inserted in the ignition lock and the
SmartKey must be in the vehicle. This mode for
starting the engine operates independently of
the ECO start/stop automatic engine start func-
tion.
You can start the engine if a valid SmartKey is in
the vehicle. Switch off the engine and always
take the SmartKey with you when leaving the
page 157).
Y