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Controls in detail
Locking and unlocking
Global locking
Press the lock button on an outside
door handle.
With the trunk and both doors closed:
All turn signal lamps flash three
times.
An acoustic signal sounds three
times.
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.
i
Vehicles with trunk opening/closing sys-
tem*, you can also lock the vehicle using the
KEYLESS-GO locking/closing switch
( page 116) on the trunk lid.
Restoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about 5 seconds un-
til Battery check lamp 5 ( page 104)
flashes twice.
108
Unlocking and opening the trunk
You can unlock and open the trunk sepa-
rately.
A minimum height clearance of 5.71 ft
(1.74 m) CLK coupe or 5.41 ft (1.65 m)
CLK cabriolet is required to open the
trunk lid.
Press and hold button Š until trunk
unlocks and begins to open.
!
The trunk lid swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance.
Vehicles with trunk opening/closing system*: To
stop the opening procedure, press button Š.
The trunk lid stops moving.
i
If the trunk does not open, it is still locked
separately ( page 118).
The trunk can also be opened from its in-
side in an emergency, see "Trunk emer-
gency release" ( page 117).
Checking the batteries in the SmartKey
or SmartKey with KEYLESS-GO*
Press button ‹ or Œ.
Battery check lamp ( page 100) or
( page 104) comes on briefly to indi-
cate that the SmartKey or SmartKey
with KEYLESS-GO batteries are in
order.
!
If battery check lamp does not come on
briefly during check, the SmartKey or SmartKey
with KEYLESS-GO batteries are discharged.
Replace the batteries ( page 441).
You can obtain the required batteries at any au-
thorized Mercedes-Benz Center.
i
If the batteries are checked within signal
range of the vehicle, pressing the ‹ or Œ
button will lock or unlock the vehicle
accordingly.
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