Mercedes-Benz 300 E 1990 Owner's Manual page 30

Opening the Doors
From outside: puli handle (1)
outwards.
From inside: pull handle (4) in
door trim panel.
28
Locking and Unlocking of Doors
From the outside: turn key.
From the inside: actuate door lock
button.
2 Unlocking
3 Locking
When the rear door lock buttons
are down, the rear doors cannot
be opened from the outside or the
inside, unless the door lock but­
tons are first pulled up.
The driver's door can be locked
only if it is closed and the door
latch has properly engaged.
I P 76-0014-B13