Mercedes-Benz S-Class 2014 Owners Manual - Manual (Page 94)

driver's door had been previously
unlocked
Automatic locking feature
X To disarm: press and hold button : for
about five seconds until a tone sounds.
X
To arm: press and hold button ; for about
five seconds until a tone sounds.
i If you press one of the two buttons and
do not hear a tone, the relevant setting has
already been selected.
The vehicle is locked automatically when the
ignition is switched on and the wheels are
turning.
You could therefore be locked out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is on a roller dynamometer.
i You can switch the automatic locking
function on and off using COMAND (see the
separate operating instructions).
Power closing
Power closing pulls the doors and trunk lid
into their locks automatically even if they are
only partly closed.
X To power close a door: push the door into
the lock up to the first detent position.
Power closing will pull the door fully closed.
X To power close the trunk lid: lightly push
the trunk lid closed.
The power closing function pulls the trunk
lid closed.
Unlocking the driver's door
(mechanical key)
If the vehicle can no longer be locked or
unlocked with the SmartKey or KEYLESS-GO,
use the mechanical key.
X Take the mechanical key out of the
SmartKey (
Y
page 86).
X Insert the mechanical key into the lock of
the driver's door as far as it will go.
X Turn the mechanical key counter-clockwise
as far as it will go to position 1 and hold
it in this position.
The locking knob pops up and the door
unlocks.
X
Turn the mechanical key back and remove
it.
X Insert the mechanical key into the
SmartKey.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered. Switch off the alarm
(
Y
page 81).
92
Doors
Opening
and
closing