Mercedes-Benz C-Class 2008 Owners Manual - Manual (Page 77)

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Controls in detail
Locking and unlocking
ț with the engine running, the mes-
sage
Key not recognized appears
in the multifunction display while
driving off
Find the SmartKey with KEYLESS-GO or
change its present location immediate-
ly (e.g. place it on the front passenger
seat or insert it in shirt pocket).
ț If you have started the engine with the
KEYLESS-GO start/stop button, you
can turn it off again with:
ț the KEYLESS-GO start/stop button
ț the SmartKey with KEYLESS-GO in-
serted in the starter switch, when
the gear selector lever is in
position P
ț Remember that the engine can be
started by anyone with a SmartKey
with KEYLESS-GO that is left inside the
vehicle.
Possibility 1: (One SmartKey with
KEYLESS-GO in the vehicle, one
SmartKey with KEYLESS-GO outside
the vehicle):
If you leave the SmartKey with
KEYLESS-GO behind when exiting and
locking the vehicle, no message
appears in the multifunction display.
Possibility 2: (One SmartKey with
KEYLESS-GO in the vehicle, no
SmartKey with KEYLESS-GO outside
the vehicle):
When exiting and trying to lock the ve-
hicle, the message
Key still in ve-
hicle appears in the multifunction
display. The vehicle will not be locked.
Factory setting
1 Outside door handle
i Your vehicle is equipped with an acoustic
lock and unlock confirmation signal feature. An
acoustic signal will sound when the vehicle is
locked or unlocked using the SmartKey with
KEYLESS-GO.
If you wish to activate or deactivate the feature,
or adjust its signal volume, contact an authorized
Mercedes-Benz Center.