Mercedes-Benz C 230 1998 Owner's Manual page 34

Doors
1 Opening - pull handle
2 Unlocking
3 Locking
4 Individual door from inside:
• Push lock button down to lock.
• Pull lock button up to unlock.
32
When you lock the car, all door
lock buttons should move down.
If any one stays up, the respective
door is not properly closed.
You should then unlock the car,
open and reclose this door, and
lock the car again. Each individual
door can be locked with door lock
button - the driver's door can only
be locked when it is closed.
If the car has previously been
locked from the outside, only the
door being opened from the inside
will unlock, and the alarm will come
on. The rem aining doors, the trunk
lid and fuel filler flap remain locked.
Notes:
In case of a m alfunction in the
central locking system the doors
can be locked and unlocked
individually.
To lock, turn m echanical key to
position 3 or push down lock
buttons.
To unlock, turn m echanical key to
position 2 or pull up lock buttons.