Mercedes-Benz C-Sedan 2015 Owners Manual - Manual (Page 92)

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.
The locking knob drops down and the driv-
er's door is locked.
X
Turn the mechanical key back and remove
it.
X Insert the mechanical key into the Smart-
Key.
X
Make sure that the doors and the trunk lid
are locked.
X
Hold the cover over the lock of the driver's
door with the thicker end towards the front
of the vehicle and press to secure. Then
make sure that the slit of the cover is hor-
izontal.
Vehicles without KEYLESS-GO:
X Insert the mechanical key into opening :
in the protective cap.
X
Pull and hold the door handle.
X Pull the protective cap on the mechanical
key as straight as possible away from the
vehicle until it releases.
X Release the door handle.
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.
The locking knob drops down and the driv-
er's door is locked.
X Turn the mechanical key back and remove
it.
X
Insert the mechanical key into the Smart-
Key (
Y
page 83).
X Make sure that the doors and the trunk lid
are locked.
X
Carefully press the protective cap onto the
lock cylinder until it engages and is seated
firmly. Do not pull the door handle when
doing so.
All vehicles:
If you lock the vehicle as described above, the
fuel filler flap is not locked. The anti-theft
alarm system is not armed.
Trunk
Important safety notes
G WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the
trunk lid is open when the engine is running,
90
Trunk
Opening
and
closing