Mercedes-Benz 2012 B Class - Manual (Page 77)

You could therefore lock yourself out if:
R
the vehicle is being pushed.
R
the vehicle is being towed.
R
the vehicle is on a roller dynamometer.
You can also switch the automatic locking
function on and off using the on-board
computer (
Y page 198).
Unlocking the driver's door
(mechanical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered (
Y page 65).
X Take the mechanical key out of the
SmartKey (
Y page 69).
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.
X Insert the mechanical key into the
SmartKey.
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
X Open the driver's door.
X Close the front-passenger door, the rear
doors and the tailgate.
X Press the locking button ( Y page 74).
X Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs manually, if necessary (
Y page 73).
X Close the driver's door.
X Take the mechanical key out of the
SmartKey (
Y page 69).
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 tailgate
are locked.
X Insert the mechanical key into the
SmartKey.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not armed.
Cargo compartment
Important safety notes
G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. If the tailgate
is open when the engine is running,
Cargo compartment
75
Opening and closing
Z