Mercedes-Benz 350 SDL Owner's Manual page 28

Opening the Doors
From outside: pull handle (1) out­
wards.
From inside: pull handle (4) in trim
panel.
26
Locking and U nlocking 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 buttons are first
pulled up.
The driver's door can be locked only if
it is closed and the door latch has
properly engaged.