Mercedes-Benz C 240, Operator'S Manual

Page: 101 / 482

99
Controls in detail
Locking and unlocking
Global locking
왘
Press button
‹
.
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system* is
armed.
Restoring to factory setting
왘
Press and hold buttons
Œ
and
‹
simultaneously for about six seconds
until battery check lamp
4 flashes
twice.
Checking the batteries
왘
Press button
‹
or
Œ
.
Battery check lamp 4 comes on
briefly to indicate that the SmartKey
batteries are in order.
!
If you can no longer lock or unlock the
vehicle with the SmartKey, then either
the batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing, or the vehicle battery is drained.
앫 Check the batteries in the
SmartKey (
컄 page 99) and replace
them if necessary ( 컄 page 387).
앫
Use the mechanical key to unlock
the driver’s door (
컄
page 382).
앫 Use the mechanical key to lock the
driver’s door (
컄 page 383).
앫
Have the vehicle battery and the
battery connections checked
(
컄
page 403).
If the SmartKey is malfunctioning,
contact an authorized Mercedes-Benz
Center.
i
If battery check lamp 4 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
컄
page 387).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
i
If the batteries are checked within
signal range of the vehicle, pressing
the
‹
or
Œ
button will lock or
unlock the vehicle accordingly.