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Controls in detail
Locking and unlocking
Global unlocking
̈ Press button Œ twice.
ț All turn signal lamps flash once.
ț The locking knobs in the doors
move up.
ț The anti-theft alarm system is
disarmed.
Global locking
̈ Press button ‹.
With the hood, tailgate and all doors
closed:
ț All turn signal lamps flash three
times.
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
until battery check lamp 5
(
୴ page 100) flashes twice.
Checking batteries in the SmartKey
̈ Press button ‹ or Œ.
Battery check lamp 5 (
୴ page 100)
comes on briefly to indicate that the
SmartKey batteries are in order.
Loss of the SmartKey
If you lose your SmartKey or mechanical
key, you should do the following:
̈ Have the SmartKey deactivated at an
authorized Mercedes-Benz Light Truck
Center.
̈ Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.
̈ If necessary, have the mechanical lock
replaced.
Any authorized Mercedes-Benz Light Truck
Center will be glad to supply you with a re-
placement.
i
If battery check lamp 5 does not come on
briefly during check, the SmartKey batteries are
discharged.
Replace the batteries (
୴ page 376).
You can obtain the required batteries at any
authorized Mercedes-Benz Light Truck Center.
i
If the batteries are checked within signal
range of the vehicle, pressing button ‹
or Πwill lock or unlock the vehicle
accordingly.