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

SmartKey
82
seconds until the battery check lamp
flashes twice (
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 81).
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, the anti-theft alarm
system will be triggered (
page 83).
Y
page 83).
Y
page 76).
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
ignition lock. The SmartKey must be in the
vehicle.
or
Lock or unlock the vehicle using KEYLESS-
X
GO. The SmartKey must be outside the
vehicle.
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
Release catch
:
Mechanical key
;
Push release catch : in the direction of
X
the arrow and at the same time remove
mechanical key ; from the SmartKey.
For further information about:
unlocking the driver's door (
R
unlocking the cargo compartment
R
( page 93)
Y
locking the vehicle (
R
page 88)
Y
page 88)
Y