Filter
Top Products
101
Controls in detail
Locking and unlocking
Global locking
̈ Press button ‹.
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system* is armed.
Restoring to factory setting
̈ Press and hold buttons Œ and ‹
simultaneously for about 6 seconds un-
til battery check lamp 5 flashes twice.
The SmartKey is set to factory setting
again.
Checking the batteries
̈ Press button ‹ or Œ.
Battery check lamp 5 comes on
briefly to indicate that the SmartKey
batteries are in order.
!
If you can no longer lock or unlock the
vehicle with the SmartKey, then either
the batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.
ț Check the batteries in the
SmartKey (
୴ page 101) and
replace them if necessary
(
୴ page 396).
ț Use the mechanical key to unlock
the driver’s door (
୴ page 389) and
the trunk (
୴ page 390).
ț Use the mechanical key to lock the
driver’s door (
୴ page 390) and the
trunk (
୴ page 106).
ț Have the vehicle battery and the
battery connections checked
(
୴ page 412).
If the SmartKey is malfunctioning,
contact an authorized Mercedes-Benz
Center.
i
If battery check lamp 5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
୴ page 396).
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.