Mechanical Key - Mercedes-Benz C-Class Operator's Manual

SmartKey
76
To unlock the vehicle: touch the inner
X
surface of the door handle.
To lock the vehicle: touch sensor
X
surface :.
Convenience closing feature: touch
X
recessed sensor surface ; for an
extended period.
Further information on the convenience
closing feature ( page 88).
Y
If you pull on the handle of the trunk lid, only
the trunk of the vehicle is unlocked.
Changing the settings of the locking
system
You can change the settings of the locking
system. This means that only the driver's door
and the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you
frequently travel on your own.
To change the setting: press and hold
X
down the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
( page 77) flashes twice.
Y
i
If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the & or % button:
locks or
R
unlocks the vehicle
R
The SmartKey now functions as follows:
To unlock the driver's door: press the
X
% button once.
To unlock centrally: press the %
X
button twice.
To lock centrally: press the & button.
X
The KEYLESS-GO function is changed as
follows:
To unlock the driver's door: touch the
X
inner surface of the door handle on the
driver's door.
To unlock centrally: touch the inner
X
surface of the door handle on the front-
passenger door or the rear door.
To lock centrally: touch the outer sensor
X
surface on one of the door handles
( page 75).
Y
To restore the factory settings: press
X
and hold down the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice.

Mechanical key

General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey, use the
mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the trunk lid, the
anti-theft alarm system will be triggered
( page 70).
Y
There are several ways to turn off the alarm:
To turn the alarm off with the
X
SmartKey: press the % or & button
on the SmartKey.
or
Insert the SmartKey into the ignition lock.
X
or
To deactivate the alarm with KEYLESS-
X
GO: press the Start/Stop button in the
I n f o r ma t i o n P r o v i d e d b y :