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88
Controls in detail
Locking and unlocking
Checking the batteries
̈ Press button ‹ or Œ.
Battery check lamp 4 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.
Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:
̈ Have the SmartKey deactivated by 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.
Your authorized Mercedes-Benz Light
Truck Center will be glad to supply you
with a replacement.
!
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.
ț Check the batteries in the Smart-
Key (
୴ page 88) and replace them if
necessary (
୴ page 288).
ț Use the mechanical key to unlock
the doors (
୴ page 287).
ț Have the vehicle battery and the
battery connections checked by an
authorized Mercedes-Benz Light
Truck Center (
୴ page 311).
ț Use the mechanical key to lock the
doors and the tailgate
(
୴ page 288).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Light Truck Center.
!
If battery check lamp 4 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
୴ page 288).
You can obtain the required batteries
at any authorized Mercedes-Benz Light
Truck Center.
i
If the batteries are checked within sig-
nal range of the vehicle, pressing the
button ‹ or Œ will lock or unlock
the vehicle accordingly.