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Practical hints
Unlocking/locking in an emergency
Unlocking the trunk
A minimum height clearance of 6 ft.
(1.85 m) is required to open the trunk lid.
If you are unable to unlock the trunk with
the SmartKey or KEYLESS-GO*, open the
trunk with the mechanical key.
The trunk lid lock is located above the rear
license plate recess.
1 Unlocking and opening
̈ Insert the mechanical key into the
trunk lid lock.
̈ Turn the mechanical key counterclock-
wise to position 1.
The trunk unlocks and opens.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey or the SmartKey with
KEYLESS-GO*, lock it with the mechanical
key as follows:
̈ Close the passenger doors and the
trunk lid.
̈ Press the central locking switch in the
center console (
୴ page 107).
̈ Check to see whether the locking knob
on the passenger door is still visible. If
necessary push it down manually.
̈ Slide mechanical key 2 out of the
SmartKey (
୴ page 348).
̈ Lock the driver’s door with the me-
chanical key (
୴ page 348).
̈ Lock the trunk lid if necessary with the
mechanical key (if applicable)
(
୴ page 105).
Replacing batteries in the SmartKey/
SmartKey with KEYLESS-GO*
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Center.
!
The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
Warning! G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.