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Controls in detail
Locking and unlocking
Checking the batteries
̈ Press button ‹ or Œ.
Battery check lamp 5 (
୴ page 106)
comes on briefly to indicate that the
SmartKey batteries are in order.
Unlocking and opening the trunk
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 and hold button Š until the
trunk lid unlocks and begins to open.
The trunk can also be opened from its in-
side in an emergency, see “Trunk emer-
gency release” (
୴ page 127).
Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:
̈ Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.
̈ Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.
̈ If necessary, have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
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If battery check lamp 5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
୴ page 431).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
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If the batteries are checked within sig-
nal range of the vehicle, pressing the
button ‹ or Œ 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 opening/closing
system*: To stop the opening proce-
dure, press button Š. The trunk lid
stops moving.
i
If the trunk does not open, it is still
locked separately (
୴ page 128).
i
If the vehicle was previously centrally
locked, the trunk will lock automatical-
ly after closing it.
To confirm locking all turn signal lamps
flash three times.