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Controls in detail
Locking and unlocking
Factory setting
Global unlocking
̈ Press button Œ.
ț All turn signal lamps flash once.
ț An acoustic signal sounds once.
ț The locking knobs in the doors
move up.
ț The anti-theft alarm system* is dis-
armed.
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.
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.
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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 or close the windows and
the tilt/sliding sunroof* using the SmartKey
(
୴ page 223).
!
If you can no longer lock or unlock the vehi-
cle with the SmartKey, then either the batteries
in the SmartKey are discharged, the SmartKey is
malfunctioning or the vehicle battery is drained.
ț Try second SmartKey.
ț Check the batteries in the SmartKey
(
୴ page 95) and replace them if necessary
(
୴ page 366).
ț Use the mechanical key to unlock the driv-
er’s door (
୴ page 361) and the trunk
(
୴ page 362).
ț Use the mechanical key to lock the driver’s
door (
୴ page 362) and the trunk
(
୴ page 99).
ț Have the vehicle battery and the battery con-
nections checked (
୴ page 383).
If the SmartKey is malfunctioning, contact
Roadside Assistance or an authorized
Mercedes-Benz Center.
i
When unlocking or locking the vehicle with
the SmartKey an acoustic signal sounds. The
acoustic signal is activated at the factory. If you
wish to deactivate the feature, or adjust its signal
volume, contact an authorized Mercedes-Benz
Center.