Mercedes-Benz E 300 Operator's Manual page 36

Central locking switch
1 Locking
2 Unlocking
The central locking switch is located
in the center console.
The doors and trunk can only be
locked with the central locking switch,
if both doors are closed.
If the vehicle was previously locked
with the remote control or mechanical
key, the doors and trunk cannot be
unlocked with the central locking
switch.
If the vehicle was previously locked
with the central locking switch, while
in the selective remote control mode,
only the door opened from the inside is
unlocked.
If the vehicle was previously locked
with the central locking switch, while
in the global remote control mode, the
complete vehicle is unlocked when a
door is opened from the inside.
Note:
The fuel filler flap cannot be locked or
unlocked with the central locking
.
switch
Automatic Central Locking
The central locking switch also
operates the automatic central locking.
To activate:
With electronic key in steering lock
position 2 hold upper portion of switch
(1) for a minimum of 5 seconds.
To deactivate:
With electronic key in steering lock
position 2 hold lower portion of switch
(2) for a minimum of 5 seconds.
With the automatic central locking
system activated, the doors and trunk
are locked at vehicle speeds of approx.
9 mph (15 km/h) or more. The fuel
filler flap remains unlocked.
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