G
WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could
affect, 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.
G
WARNING
If the parking brake has not been fully
released when driving, the parking brake
can:
R
overheat and cause a fire
R
lose its hold function.
There is a risk of fire and an accident.
Release the parking brake fully before driv-
ing off.
!
Do not warm up the engine while station-
ary. Pull away immediately. Avoid high
engine speeds and full throttle until the
engine has reached its operating tempera-
ture.
In vehicles with automatic transmission,
engage positions P and R only when the
vehicle is stationary.
Where possible, avoid spinning the drive
wheels when pulling away on slippery roads.
You could otherwise damage the drive train.
!
Mercedes-AMG vehicles: at low engine
oil temperatures below 68 ‡ (+20 †), the
maximum engine speed is restricted in
order to protect the engine. To protect the
engine and maintain smooth engine opera-
tion, avoid driving at full throttle when the
engine is cold.
Key positions
SmartKey
g
To remove the SmartKey
1
Power supply for some consumers, such
as the windshield wipers
2
Ignition (power supply for all consumers)
and drive position
3
To start the engine
i
The SmartKey can be turned in the ignition
lock even if it is not the correct SmartKey
for the vehicle. The ignition is not switched
on. The engine cannot be started.
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-
126
Driving
Drivi
ng
and
parking
Содержание SL 450 2019
Страница 330: ...328...