Mercedes-Benz SL-Class 2015 - Manual (Page 156)

i The catalytic converter is preheated for
up to 30 seconds after a cold start. During
this time, the engine sound may be differ-
ent.
Starting procedure with the SmartKey
X Depress the brake pedal and keep it
depressed.
X
Shift the transmission to position P.
The transmission position display in the
multifunction display shows P.
i You can also start the engine when the
transmission is in position N.
X
Turn the SmartKey to position 3 in the igni-
tion lock (
Y
page 151) and release it as
soon as the engine is running.
Using KEYLESS-GO to start the engine
The Start/Stop button can be used to start
the vehicle without inserting the SmartKey
into the ignition lock. The SmartKey must be
in the vehicle and the Start/Stop button must
be inserted in the ignition lock.
X Depress the brake pedal and keep it
depressed.
X
Shift the transmission to position P.
The transmission position display in the
multifunction display shows P.
i You can also start the engine when the
transmission is in position N.
X
Press the Start/Stop button once
(
Y
page 151).
The engine starts.
Pulling away
Automatic transmission
G WARNING
If the engine speed is above the idling speed
and you engage transmission position D or R,
the vehicle could pull away suddenly. There is
a risk of an accident.
When engaging transmission position D or R,
always firmly depress the brake pedal and do
not simultaneously accelerate.
i It is only possible to shift the transmission
from position P to the desired position if
you depress the brake pedal. Only then is
the shift lock released.
X Depress the brake pedal and keep it
depressed.
X
Shift the transmission to position D or R.
X
Release the electric parking brake
(
Y
page 172).
X Release the brake pedal.
X
Carefully depress the accelerator pedal.
! If a warning tone sounds and the
Release Park. Brake Release Park. Brake message appears
in the multifunction display, the parking
brake is still applied. Release the parking
brake.
i The vehicle locks centrally once you have
pulled away. The locking knobs in the doors
drop down.
You can open the doors from the inside at
any time.
You can also deactivate the automatic lock-
ing feature (
Y
page 234).
i Upshifts take place at higher engine
speeds after a cold start. This helps the
catalytic converter to reach its operating
temperature more quickly.
Hill start assist
Hill start assist helps you when pulling away
forwards or in reverse on an uphill gradient. It
holds the vehicle for a short time after you
have removed your foot from the brake pedal.
This gives you enough time to move your foot
from the brake pedal to the accelerator pedal
and to depress it before the vehicle begins to
roll.
154
Driving
Driving
and
parking