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Controls in detail
Locking and unlocking
Global unlocking
̈ Pull any outside door handle other than
the driver’s outside door handle.
ț All turn signal lamps flash once.
ț An acoustic signal sounds once
(if equipped and feature activated).
ț The locking knobs in the doors
move up.
ț The anti-theft alarm system is dis-
armed.
Global locking
̈ Press lock button on an outside door
handle (
୴ page 63) or tailgate
(
୴ page 118).
ț All turn signal lamps flash three
times.
ț An acoustic signal sounds three
times (if equipped and feature acti-
vated).
ț The locking knobs in the doors
move down.
ț 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 (
୴ page 111)
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.
ț Check the batteries in the
SmartKey with KEYLESS-GO
(
୴ page 117) and replace them if
necessary (
୴ page 429).
ț Use the mechanical key to unlock
the driver’s door (
୴ page 424).
ț Use the mechanical key to lock the
driver’s door (
୴ page 425).
ț Have the vehicle battery checked
by an authorized Mercedes-Benz
Center.
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Center.