Start Function - Mercedes-Benz S-Class Coupe Operator's Manual

SmartKey
78
will then use very little power, thereby conserv-
ing battery power. For the purposes of activa-
tion/deactivation, the vehicle must not be
nearby.
To deactivate: press the & button on the
X
SmartKey twice in rapid succession.
The battery check lamp (
SmartKey flashes twice briefly and lights up
once, then KEYLESS-GO is deactivated.
To activate: press any button on the Smart-
X
Key.
or
Insert the SmartKey into the ignition lock.
X
KEYLESS-GO and all of its associated features
are available again.
KEYLESS-GO start function
General notes
Bear in mind that the engine can be started by
any of the vehicle occupants if there is a Smart-
Key in the vehicle (
Changing the settings of the locking
system
You can change the settings of the locking sys-
tem. 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 down
X
the % and & buttons simultaneously
for approximately six seconds until the bat-
tery check lamp flashes twice (
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: press the % button once.
X
To unlock centrally: press the % button
X
twice.
To lock: press the & button.
X
page 79) of the
Y
page 138).
Y
page 79).
Y
The KEYLESS-GO function is changed as fol-
lows:
To unlock the driver's door: touch the inner
X
surface of the door handle on the driver's
door.
To unlock centrally: touch the inner surface
X
of the front-passenger door handle.
To lock centrally: touch the outer sensor
X
surface on one of the door handles.
To restore the factory settings: press and
X
hold the % and & buttons simultane-
ously for approximately six seconds until the
battery check lamp flashes twice
( page 79).
Y
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey or KEYLESS-GO,
use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm sys-
tem will be triggered. Switch off the alarm
( page 74).
Y
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked auto-
matically.
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 the
X
arrow and at the same time remove mechan-
ical key ; from the SmartKey.