Mercedes-Benz S 450 4MATIC Operator's Manual page 433

Controls in detail
Automatic transmission
!
If you turn off the engine using the
SmartKey or the KEYLESS-GO* start/stop
button, the transmission will shift to neutral
position N automatically.
If you want the gear position to remain in
neutral position N, e.g. when taking the
vehicle through an automatic conveyor
type car wash or when towing the vehicle,
observe the following instructions.
Warning!
When leaving the SmartKey or SmartKey
with KEYLESS-GO* in the starter switch, do
not leave children unattended in the vehicle.
It is possible for children to switch on the
ignition which could result in unsupervised
use of vehicle equipment. Unsupervised use
of vehicle equipment could result in an
accident and/or serious personal injury.
432
Vehicles with SmartKey:
With the vehicle at a standstill and the
ignition switched on shift the
automatic transmission to neutral
position N.
If engaged, manually release the
electronic parking brake ( page 423).
Switch off the ignition and leave the
SmartKey in the starter switch.
G
Vehicles with KEYLESS-GO*:
With the vehicle at a standstill, depress
the brake pedal and keep it pressed.
Shift the automatic transmission to
park position P.
Release the brake pedal.
Remove the KEYLESS-GO start/stop
button from the starter switch
( page 371).
Insert the SmartKey with KEYLESS-GO
into the starter switch.
With the ignition switched on shift the
automatic transmission to neutral
position N.
If engaged, manually release the
electronic parking brake ( page 423).
Switch off the ignition and leave the
SmartKey with KEYLESS-GO in the
starter switch.
!
Coasting the vehicle, or driving for any other
reason in neutral position N can result in trans-
mission damage that is not covered by the
Mercedes-Benz Limited Warranty.
!
Observe instructions
when taking the vehicle through an
automatic conveyor type car wash
( page 618)
when towing the vehicle ( page 737)