Mercedes-Benz C-Class Coupe Operator's Manual page 78

SmartKey
76
i
If the setting of the locking system is
changed within the signal range of the vehi-
cle, 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 % but-
X
ton twice.
To lock centrally: press the & button.
X
The KEYLESS-GO function is changed as fol-
lows:
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 sur-
X
face of the front-passenger door handle.
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 sec-
onds until the battery check lamp flashes
twice.
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey or the KEYLESS-
GO key, 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 72).
Y
To end the alarm: insert the SmartKey into
X
the ignition lock.
i
With KEYLESS-GO: remove the Start/
Stop button from the ignition lock before-
hand.
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
To unlock the fuel filler flap: insert the
X
SmartKey into the ignition lock.
Removing the mechanical key
Push release catch : in the direction of
X
the arrow and at the same time remove
mechanical key ; from the SmartKey.
Inserting the mechanical key
Push mechanical key ; completely into
X
the SmartKey until it engages, and release
catch : is back in its basic position.
SmartKey battery
Important safety notes
Mercedes-Benz recommends that you have
the batteries replaced at a qualified specialist
workshop.
WARNING
G
Batteries contain toxic and corrosive substan-
ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatal
injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately.