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Controls in detail
Locking and unlocking
Checking the batteries
̈ Press button ‹ or Œ.
Battery check lamp 5 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.
Unlocking and opening the trunk lid
You can unlock and open the trunk lid sep-
arately.
A minimum height clearance of 5.41 ft
(1.65 m) is required to open the trunk lid.
̈ Press and hold button Š until the
trunk lid unlocks and begins to open.
!
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.
ț Check the batteries in the
SmartKey and replace them if nec-
essary (
୴ page 350).
ț Use the mechanical key to unlock
the doors (
୴ page 348) and the
trunk (
୴ page 349).
ț Have the vehicle battery and the
battery connections checked.
ț Use the mechanical key to lock the
doors and the trunk (
୴ page 349).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz Cen-
ter.
!
If battery check lamp 5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
୴ page 350).
You can obtain the required batteries
at any authorized Mercedes-Benz Cen-
ter.
i
If the batteries are checked within sig-
nal range of the vehicle, pressing
the ‹ or Œ button will lock or
unlock the vehicle accordingly.
!
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.