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Controls in detail
Locking and unlocking
Factory setting
Global unlocking
왘 Grasp the door handle.
The vehicle will lock again automatically
within approximately 40 seconds if neither
door nor trunk is opened.
Global locking
왘 Press lock button at door handle
(
컄 page 54) or trunk lid (컄 page 96).
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with KEY-
LESS-GO so when you grasp the driver’s
door handle only the driver’s door and the
fuel filler flap unlocks.
왘 Press and hold buttons Œ and ‹
simultaneously for about five seconds
until battery check lamp 5 flashes
twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking driver’s door and fuel filler
flap
왘 Press button Œ once.
Global unlocking
왘 Press button Œ twice.
Global locking
왘 Press button ‹.
Restoring to factory setting
왘 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, then the
batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.
앫 Check the batteries in the Smart-
Key (
컄 page 91) and replace them if
necessary (
컄 page 355).
앫 Use the mechanical key to unlock
the doors (
컄 page 353).
앫 Have the vehicle batteries and their
connections checked.
앫 Use the mechanical key to lock the
doors (
컄 page 353) and the trunk
lid (if applicable) (
컄 page 105).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Center.
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