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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 looked door from the
inside, which could result in an accident
and/or serious personal injury.
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 re-
ceived, 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 re-
ceived, 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 the windows
and tilt/sliding sunroof using the SmartKey
(
୴ page 241).
!
If you can no longer lock or unlock the vehi-
cle with the SmartKey, then the batteries in the
SmartKey are discharged, the SmartKey is mal-
functioning or the vehicle battery is drained.
ț Check the batteries in the SmartKey
(
୴ page 119) and replace them if necessary
(
୴ page 440).
ț Use the mechanical key to unlock the driv-
er’s door (
୴ page 435).
ț Use the mechanical key to lock the driver’s
door.
ț Have the vehicle battery checked by an au-
thorized Mercedes-Benz Center.
If the SmartKey is malfunctioning, contact an au-
thorized Mercedes-Benz Center.