Mercedes-Benz 2004 E-Class OCS Operator's Manual page 97

Controls in detail
Locking and unlocking
Restoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about six seconds
until battery check lamp 5 flashes
twice.
!
If you can no longer lock or unlock the
vehicle with the SmartKey, then the
batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.
Check the batteries in the
SmartKey ( page 97) and replace
them if necessary ( page 361).
Use the mechanical key to unlock
the doors ( page 359).
Have the vehicle batteries and their
connections checked.
96
Use the mechanical key to lock the
doors ( page 359).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Center.
Unlocking and opening the trunk lid
You can unlock and open the trunk sepa-
rately.
A minimum height clearance of 5.90 ft
(1.80 m) is required to open the trunk lid.
Press button Š until trunk unlocks
and begins to open.
!
The trunk lid swings open upwards au-
tomatically. Always make sure there is
sufficient overhead clearance.
Vehicles with trunk lid opening/closing
system*: to stop the opening proce-
dure, press button Š. The trunk lid
stops moving.
i
If the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed ( page 105). The
turn signals will flash three times to
confirm locking.
The trunk can also be opened from its in-
side in an emergency, see "Trunk lid emer-
gency release" ( page 110).