Locking The Vehicle (Mechanical Key) - Mercedes-Benz C-Class Operator's Manual

Turn the mechanical key back and remove
X
it.
Insert the mechanical key into the Smart-
X
Key.
Hold the cover over the lock of the driver's
X
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:
Insert the mechanical key into opening :
X
in the protective cap.
Pull and hold the door handle.
X
Pull the protective cap on the mechanical
X
key as straight as possible away from the
vehicle until it releases.
Release the door handle.
X
Insert the mechanical key into the lock of
X
the driver's door as far as it will go.
Turn the mechanical key counter-clockwise
X
as far as it will go to position 1.
The locking knob pops up and the door
unlocks.
Turn the mechanical key back and remove
X
it.
Insert the mechanical key into the Smart-
X
Key ( page 83).
Y
Carefully press the protective cap onto the
X
lock cylinder until it engages and is seated
firmly. Do not pull the door handle when
doing so.
All vehicles:
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered. Switch off the alarm
( page 76).
Y

Locking the vehicle (mechanical key)

If the vehicle can no longer be locked with the
SmartKey or KEYLESS-GO, use the mechani-
cal key.
Open the driver's door.
X
Close the front-passenger door, the rear
X
doors and the trunk lid.
Press the locking button (
X
Check whether the locking knobs on the
X
front-passenger door and the rear doors
are still visible. Press down the locking
knobs by hand, if necessary.
Close the driver's door.
X
Take the mechanical key out of the Smart-
X
Key ( page 83).
Y
Vehicles with KEYLESS-GO:
Insert the tip of the mechanical key into the
X
slit on the cover of the driver's door lock
and turn it until the cover is released.
Doors
89
page 87).
Y
Z