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Restoring to factory setting
Press and hold buttons Œ and ‹
simultaneously for about six seconds
until battery check lamp 5 flashes
twice.
!
If you can no longer lock or unlock the
vehicle with the SmartKey with
KEYLESS-GO, then the batteries in the
SmartKey are discharged, the
SmartKey with KEYLESS-GO is mal-
functioning or the vehicle battery is
drained.
Check the batteries in the
SmartKey ( page 103) and
replace them if necessary
( page 412).
Use the mechanical key to unlock
the driver's door ( page 397) and
the trunk ( page 398).
Have the vehicle battery and the
battery connections checked
( page 427).
Use the mechanical key to lock the
driver's door ( page 398).
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Center.
Controls in detail
Locking and unlocking
Checking the batteries
Press button ‹ or Œ.
Battery check lamp 5 comes on
briefly to indicate that the SmartKey
batteries are in order.
i
If battery check lamp 5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries ( page 412).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
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.
103
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