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Controls in detail
Locking and unlocking
Warning! G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO* with you and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child’s unsupervised
access to a vehicle could result in an
accident and/or serious personal injury.
!
To prevent possible malfunction, avoid
exposing the SmartKey with KEYLESS-GO to high
levels of electromagnetic 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 interfer-
ence, 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 with KEYLESS-GO, see
“Summer opening feature” (
୴ page 237) and
see “Convenience closing feature”
(୴ page 238).
!
If you cannot lock or unlock the vehicle with
the SmartKey with KEYLESS-GO, the batteries in
the SmartKey with KEYLESS-GO are discharged,
the SmartKey with KEYLESS-GO is malfunction-
ing or the vehicle battery is drained.
ț Check the batteries in the SmartKey with
KEYLESS-GO (
୴ page 118) 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 “Practi-
cal hints” section (
୴ page 456).
ț Have the vehicle battery and the vehicle
battery connections checked (
୴ page 489).
If the SmartKey with KEYLESS-GO is malfunc-
tioning, contact Roadside Assistance or an
authorized Mercedes-Benz Light Truck Center.