Mercedes-Benz M-Class 2009 Owners Manual - Manual (Page 353)

Unlocking/locking manually
351
X Exit the vehicle.
X Close the rear left door.
The vehicle is locked.
i This procedure does not arm the anti-
theft alarm system, nor does it lock the fuel
filler flap.
Unlocking and opening the tailgate
If the tailgate can no longer be unlocked and
opened using button
k on the SmartKey
or the KEYLESS-GO function, use the
emergency release lever to unlock and open
the tailgate.
The emergency release lever is located on the
inside of the tailgate.
1 Emergency release lever
2 Cover
A minimum height clearance of 7.2 ft
(2.20 m) is required to open the tailgate.
! Always make sure there is sufficient
overhead clearance.
X Remove cover 2 from the trim on the
tailgate.
X Push release lever 1 all the way to the left.
X Lift the tailgate.
i If the vehicle has previously been locked
from the outside using the SmartKey or
KEYLESS-GO, opening the tailgate from the
inside using the emergency release lever
will trigger the anti-theft alarm system.
To cancel the alarm, do one of the
following:
R Insert the SmartKey in the starter switch.
R Press button k or j on the
SmartKey.
In vehicles with KEYLESS-GO:
R Pull an outside door handle.
The SmartKey must be within 3 ft (1 m)
of the vehicle.
R Press the KEYLESS-GO start/stop
button.
The SmartKey must be inside the vehicle.
Fuel filler flap
G Warning!
Avoid contact with the vehicle walls as they
may contain sharp edges. Otherwise, you
could injure yourself while releasing the
fuel filler flap.
In case the central locking system does not
release the fuel filler flap, you can open it
manually.
The fuel filler flap release is located behind a
cover in the right side trim panel of the cargo
compartment.
X Open the tailgate ( Y page 90).
X Remove right side trim panel
(
Y page 361).
Practical hints
Z