Mercedes-Benz C-Clas 2016 Owner's Manual page 136

for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk
of an accident.
Do not switch off the ignition while driving.
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WARNING
If the parking brake has not been fully
released when driving, the parking brake can:
overheat and cause a fire
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lose its hold function.
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There is a risk of fire and an accident. Release
the parking brake fully before driving off.
!
Do not warm up the engine when the vehicle
is stationary. Drive off immediately. Avoid
high engine speeds and driving at full throttle
until the engine has reached its operating
temperature.
Only shift the automatic transmission to the
desired drive position when the vehicle is sta-
tionary.
Where possible, avoid spinning the drive
wheels when pulling away on slippery roads.
You could otherwise damage the drive train.
Key positions
Key
g To remove the key
1 Power supply for some consumers, such as
the windscreen wipers
Ignition (power supply for all consumers)
2
and drive position
Starting the vehicle
3
i
If the key does not belong to the vehicle, it
can still be turned in the ignition lock. How-
ever, the ignition will not be switched on. The
engine cannot be started.
Start/Stop button
General notes
When you insert the Start/Stop button in the
ignition lock, the system needs approximately
two seconds of 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 the case
only 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 that periodically establishes a radio
connection between the vehicle and the key
determines whether a valid key is in the vehicle.
This occurs, for example, when the engine is
started.
To start the vehicle without actively using the
key:
the Start/Stop button must be inserted in the
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ignition lock
the key must be in the vehicle
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the vehicle must not be locked with the key or
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KEYLESS-GO ( page 82)
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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 foil
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inside metallic objects, e.g. a metal case
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This can impair the key's function.
If you lock the vehicle with the key's remote
control or with KEYLESS-GO, after a short time:
you will no longer be able to switch on the
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ignition with the Start/Stop button
you will no longer be able to start the engine
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with the Start/Stop button until the vehicle is
unlocked again
If you lock the vehicle centrally using the button
on the front door ( page 88), you can continue
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to start the engine with the Start/Stop button.
You can switch off the engine while the vehicle is
in motion by pressing and holding the Start/
Stop button for around three seconds. This func-
Driving
133
Z