Mercedes-Benz 2008 M-Class Operator's Manual page 118

Global locking
Press the lock button on an outside
door handle ( page 69).
With the tailgate and all doors closed,
the turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you grasp the
driver's door handle only the driver's door
and the fuel filler flap unlocks.
Press and hold buttons Œ and ‹
simultaneously for about 5 seconds
until battery check lamp 5
( page 113) flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking driver's door and fuel filler
flap
Grasp the driver's outside door handle.
All turn signal lamps flash once. The
locking knob in the driver's door moves
up. The anti-theft alarm system is dis-
armed.
Global unlocking
Grasp any outside door handle other
than the driver's outside door handle.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
Controls in detail
Locking and unlocking
Global locking
Press the lock button on an outside
door handle ( page 69).
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Restoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about 5 seconds
until battery check lamp 5
( page 113) flashes twice.
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