Mercedes-Benz S-Class Operator's Manual page 101

If the SmartKey with KEYLESS-GO is re-
moved from the vehicle while the igni-
tion is switched on (e.g. if passenger
exits the vehicle with the SmartKey
with KEYLESS-GO), the message
KEY
NOT RECOGNIZED
will appear in the multifunction display
while driving off.
Find the SmartKey or change its
present location immediately
(e.g. place it on the front passenger
seat or insert it in shirt pocket).
Remember that the engine can be
started by anyone with a SmartKey
with KEYLESS-GO that is left inside the
vehicle. If you leave the SmartKey with
KEYLESS-GO behind when exiting and
locking the vehicle, the message
KEY
STILL IN VEHICLE
will appear in the multifunction display.
Factory setting
Global unlocking
Grasp the outside door handle.
All turn signal lamps flash once. The
locking knob in the doors move up. The
anti-theft alarm system is disarmed.
i
If the vehicle has been parked for more
than 72 hours, you must pull the out-
side door handle in order to activate
the KEYLESS-GO function.
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds of un-
locking if:
neither door nor trunk is opened
the central locking switch is not acti-
vated.
Controls in detail
Locking and unlocking
i
The vehicle could inadvertently be un-
locked if the SmartKey with
KEYLESS-GO is within 3 ft. (1 m) of the
vehicle and:
the outside door handle is splashed
with water, or
you attempt to clean the outside
door handle.
Global locking
Press lock button at the outside door
handle ( page 58) or trunk lid
( page 101).
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
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