Starter Switch Positions; Smartkey - Mercedes-Benz S 450 4MATIC Operator's Manual

Controls in detail

Starter switch positions

Warning!
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child's unsupervised ac-
cess to a vehicle could result in an accident
and/or serious personal injury.

SmartKey

Starter switch
370
0 For removing SmartKey
G
1 Power supply for some electrical con-
sumers
2 Ignition (power supply for all electrical
consumers) and driving position.
All lamps (except high beam headlamp
indicator lamp and turn signal indicator
lamps unless activated) in the instru-
ment cluster come on. If a lamp in the
instrument cluster fails to come on
when the ignition is switched on, have
it checked and replaced if necessary.
If a lamp in the instrument cluster re-
mains on after starting the engine or
comes on while driving, refer to "Lamps
in instrument cluster" ( page 628).
3 Starting position
i
When you switch on the ignition, the indica-
tor and warning lamps (except high beam head-
lamp indicator lamp and turn signal indicator
lamps unless activated) in the instrument cluster
come on. The indicator and warning lamps (ex-
cept high beam headlamp indicator lamp and
turn signal indicator lamps if activated) should go
out when the engine is running. This indicates
that the respective systems are operational.
i
When the SmartKey is removed from the
starter switch and the automatic transmission is
in a position other than park position P, the auto-
matic transmission automatically shifts to park
position P.
!
If the SmartKey cannot be turned in the
starter switch, the battery may not be sufficient-
ly charged.
Check the battery and charge it if necessary
( page 729).
Have the vehicle jump-started ( page 734).
To prevent accelerated battery discharge or a
completely discharged battery, always remove
the SmartKey from the starter switch when the
engine is not in operation.
For information on starting the engine us-
ing the SmartKey, see "Starting with the
SmartKey" ( page 417).