Mercedes-Benz C-Class 2011 Owners Manual - Manual (Page 81)

lock yourself out if the vehicle is being
pushed, towed, or located on a test rig.
X To deactivate: press and hold button :
for about five seconds until a tone sounds.
X To activate: press and hold button ; for
about five seconds until a tone sounds.
i When you push either of the two buttons
and an audible warning signal does not
sound, the relevant setting has already
been selected.
On vehicles with a luxury multifunction
steering wheel, you can also activate and
deactivate the automatic locking using the
on-board computer (
Y page 181).
Unlocking the driver's door
(mechanical key)
If the vehicle can no longer be unlocked
centrally with the SmartKey or KEYLESS-GO:
X Take the mechanical key out of the
SmartKey (
Y page 73).
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
to position 1.
The door is unlocked.
X Turn the mechanical key back and remove
it.
Locking the vehicle (mechanical key)
Emergency locking
If the vehicle can no longer be locked
centrally with the SmartKey or KEYLESS-GO:
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the trunk lid.
X Press the locking button ( Y page 78).
X Make sure that the locking knobs on the
doors are still visible. Press down the
locking knobs by hand, if necessary.
X Close the driver's door.
X Take the mechanical key out of the
SmartKey (
Y page 73).
X Insert the mechanical key into the lock of
the driver's door as far as it will go.
X Turn the mechanical key clockwise as far
as it will go to position 1.
X Turn the mechanical key back and remove
it.
X Make sure that the doors and the trunk lid
are locked.
Doors
79
Opening and closing
BA 204 USA, CA Edition A 2011; 1; 5, en-US
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