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Mercedes-Benz C-CLASS WAGON C 240 User Manual

Page 101

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99

Controls in detail

Locking and unlocking

Global locking

̈

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

̈

Press and hold buttons

Œ and ‹

simultaneously for about six seconds
until battery check lamp 4 flashes
twice.

Checking the batteries

̈

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.

ț

Check the batteries in the
SmartKey (

page 99) and replace

them if necessary (

page 387).

ț

Use the mechanical key to unlock
the driver’s door (

page 382).

ț

Use the mechanical key to lock the
driver’s door (

page 383).

ț

Have the vehicle battery and the
battery connections checked
(

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 (

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.

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