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Controls in detail
Locking and unlocking
Warning! G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. It is possible
for children to open a locked door from the
inside, which could result in an accident
and/or serious personal injury.
!
To prevent possible malfunction, avoid
exposing the SmartKey to high levels of electro-
magnetic radiation.
i
USA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful
interference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
i
Canada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
i
You can also open and close
ț the door windows
ț the tilt/sliding sunroof
using the SmartKey, see “Summer opening fea-
ture” (
୴ page 237) and see “Convenience clos-
ing feature” (
୴ page 238).
!
If you cannot lock or unlock the vehicle with
the SmartKey, the batteries in the SmartKey are
discharged, the SmartKey is malfunctioning, or
the vehicle battery is drained.
ț Check the batteries in the SmartKey and
replace them if necessary (
୴ page 461).
ț Use the mechanical key to unlock the
driver’s door (
୴ page 455).
ț Lock the vehicle as described in the
“Practical hints” section (
୴ page 456).
ț Have the vehicle battery and the vehicle
battery connections checked (
୴ page 489).
If the SmartKey is malfunctioning, contact
Roadside Assistance or an authorized
Mercedes-Benz Light Truck Center.