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Controls in detail
Locking and unlocking
Restoring to factory setting
̈ Press and hold buttons Œ and ‹
simultaneously for about 5 seconds un-
til Battery check lamp 5 (
୴ page 92)
flashes twice.
Unlocking and opening the trunk
You can unlock and open the trunk
separately.
A minimum height clearance of 5.71 ft
(1.74 m) is required to open the trunk lid.
̈ Press button Š until trunk lid
unlocks and begins to open.
The trunk can also be opened from its
inside in an emergency, see “Trunk emer-
gency release” (
୴ page 98).
Checking the batteries
̈ Press button ‹ or Œ.
Battery check lamp (
୴ page 92) comes
on briefly to indicate that the SmartKey
batteries are in order.
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.
̈ Have the mechanical lock replaced if
necessary.
Your authorized Mercedes-Benz Center
will be glad to supply you with a
replacement.
!
The trunk lid swings open upwards automat-
ically. Always make sure there is sufficient over-
head clearance.
i
If the trunk does not open, it is still locked
separately (
୴ page 99).
!
If the battery check lamp does not come on
briefly during check, then the SmartKey batter-
ies are discharged.
Replace the batteries (
୴ page 366).
You can obtain the required batteries at any
authorized 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.