Mercedes-Benz 2008 C-Class Operator's Manual page 73

Controls in detail
Locking and unlocking
The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds of un-
locking if:
neither a door nor the trunk is opened
the SmartKey is not inserted in the
starter switch
the central locking/unlocking switch is
not activated
Global locking: Press button ‹.
With the trunk and doors closed:
All turn signal lamps flash three
times.
An acoustic signal sounds three
times.
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.
72
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that press-
ing button Πonly unlocks the driver's
door and the fuel filler flap.
Press and hold buttons Œ and ‹
simultaneously for about 6 seconds un-
til battery check lamp 5 ( page 70)
flashes twice.
The SmartKey will then function as fol-
lows:
Unlocking driver's door and fuel fill-
er flap: Press button Πonce.
All turn signal lamps flash once.
An acoustic signal sounds once.
The locking knob in the driver's
door moves up.
The anti-theft alarm system is dis-
armed.
The locator lighting will also come
on if it is dark and the feature is ac-
tivated in the control system
( page 172).
Global unlocking: Press button Œ
twice.
All turn signal lamps flash once.
An acoustic signal sounds once.
The locking knobs in the doors
move up.
The anti-theft alarm system is dis-
armed.
The locator lighting will also come
on if it is dark and the feature is ac-
tivated in the control system
( page 172).