2014 MERCEDES-BENZ M-Class keyless

X
To unloc kcentrally: press button 0023.
If you do not open th evehicle within
approximately 40 seconds of unlocking:
R the vehicle is locked again.
R the theft deterrent locking system is
armed again.
X To lock centrally: press button0002.
The SmartKey centrally locks/unlocks:
R the doors
R the tailgate
R the fuel filler flap
The turn signals flash oncew hen unlocking
and three times when locking.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated and deactivated using
the on-board computer (Y page 276).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 275). KEYLESS-GO
General notes Bear in mind that the engine can be started
by any of the vehicle occupants if there is a
KEYLESS-GO key in the vehicle.
Locking/unlocking centrally You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry
the SmartKey with you. You can combine the
functions of KEYLESS-GO with those of a
conventional SmartKey. Unlock the vehicle
by using KEYLESS-GO, for instance, and lock
it using the 000Bbutton on the SmartKey.
When locking or unlocking with KEYLESS-GO,
the distance between the key and the
corresponding door handle must not be
greater than 3 ft (1 m). KEYLESS-GO checks whether a valid
SmartKey is in the vehicle by periodically
establishing a radio connection between the
vehicle and the SmartKey. This happens:
R
when the external door handles are
touched
R when starting the engine
R while the vehicle is in motion X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: touch sensor
surface 0002.
X Convenience closing feature: touch
recessed sensor surface 0003for an
extended period.
Further information on the convenience
closing feature (Y page 95).
If you pull on the handle of the tailgate, only
the cargo compartment 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.
X To change the setting: press and hold
down the 000Cand000B buttons
simultaneously for approximately six SmartKey
81Opening and closing Z

seconds until the battery check lamp
flashes twice (Y
page 83).
i If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the 000Bor000C button:
R locks or
R unlocks the vehicle
The SmartKey now functions as follows:
X To unlock the driver's door: press the
000C button once.
X To unlock centrally: press the000C
button twice.
X To lock centrally: press the000Bbutton.
The KEYLESS-GO function is changed as
follows:
X To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X To unlock centrally: touch the inner
surface of the door handle on the front-
passenger door or the rear door.
X To lock centrally: touch the outer sensor
surface on one of the door handles
(Y page 81).
X To restore the factory settings: press
and hold down the 000Cand000B buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice (Y page 83). 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 (Y
page 76).There are several ways to turn off the alarm:
X
To turn the alarm off with the
SmartKey: press the000Cor000B button
on the SmartKey.
or
X Insert the SmartKey into the ignition lock.
or
X To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the
ignition lock. The SmartKey must be in the
vehicle.
or
X Lock or unlock the vehicle using KEYLESS-
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.
X To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key 0002
Release catch
0003 Mechanical key
X Push release catch 0002in the direction of
the arrow and at the same time remove
mechanical key 0003from the SmartKey.
For further information about:
R unlocking the driver's door (Y page 88)
R unlocking the cargo compartment
(Y page 93)
R locking the vehicle (Y page 88)82
SmartKeyOpening and closing

Problems with the SmartKey
Problem Possible causes/consequences and
0001 Solutions
You cannot lock or
unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X
Try again to lock/unlock the vehicle using the remote control
function of the SmartKey. Point the tip of the SmartKey at the
driver's door handle from close range and press the 000Cor
000B button.
If this does not work:
X Check the SmartKey battery (Y page 83) and replace it if
necessary (Y page 83).
X Lock (Y page 88) or unlock (Y page 88) the vehicle using
the mechanical key. The SmartKey is faulty.
X
Lock (Y page 88) or unlock (Y page 88) the vehicle using
the mechanical key.
X Have the SmartKey checked at a qualified specialist workshop. You can no longer lock
or unlock the vehicle
using KEYLESS-GO. There is interference from a powerful source of radio waves.
X Lock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press the 000Cor000B button. There is a malfunction with KEYLESS-GO.
X Lock/unlock the vehicle using the remote control function of
the SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press the 000Cor000B button.
X Have KEYLESS-GO checked at a qualified specialist workshop.
If this does not work:
X Check the SmartKey battery (Y page 83) and replace it if
necessary (Y page 83).
X Lock (Y page 88) or unlock (Y page 88) the vehicle using
the mechanical key. You have lost a
SmartKey. X
Have the SmartKey deactivated at a qualified specialist
workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. SmartKey
85Opening and closing Z

Problem Possible causes/consequences and
0001 Solutions
The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 388).
or
X Jump-start the vehicle (Y page 389).
or
X Consult a qualified specialist workshop. The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle. Ad
oor is open. Therefore, the SmartKey cannot be detected as
easily.
X Close the door and try to start the vehicle again. There is interference from a powerful source of radio waves.
X
Start your vehicle with the SmartKey in the ignition lock. Doors
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shift the automatic transmission out of
parking position P.
R starting the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children. G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle. G
WARNING
If objects, luggage or loads are not secured or
not secured sufficiently, they could slip, tip
over or be flung around and thereby hit vehicle
occupants. There is a risk of injury,
particularly in the event of sudden braking or
a sudden change in direction.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping before the
journey.
You should preferably place luggage or loads
in the cargo compartment. Observe the
loading guidelines (Y page 332).86
DoorsOpening and closing

Unlocking and opening doors from
the inside
You can open a door from inside the vehicle
even if it has been locked. You can only open
the rear doors from inside the vehicle if they
are not secured by the child-proof locks
(Y page 66).
If the vehicle has been locked with the
SmartKey or with KEYLESS-GO, opening a
door from the inside will trigger the anti-theft
alarm system. Switch off the alarm
(Y page 76). X
Front door: pull door handle 0003.
If the door is locked, locking knob 0002pops
up. The door is unlocked and can be
opened.
X Rear door: pull up locking knob 0002on the
relevan trear door.
The rear door is unlocked and can be
opened. Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside. The buttons are located on
both fron tdoors. 0002
To unlock
0003 To lock
X To unlock: press button 0002.
X To lock: press button 0003.
If the front-passenger door is closed, the
vehicle locks.
Meanwhile, the fuel filler flap will not be
locked or unlocked.
You cannot unlock the vehicle centrally from
the inside if the vehicle has been locked with
the SmartKey or KEYLESS-GO.
You can open a front door from inside the
vehicle even if it has been locked.
If the vehicle has been locked using the
locking button for the central locking, or has
been locked automatically, and a door is
opened from the inside:
R the vehicle will be fully unlocked if it had
previously been fully unlocked
R only the door which has been opened form
the inside is unlocked if only the driver's
door had been previously unlocked Doors
87Opening and closing Z

For vehicles with the EASY-PACK tailgate
you can:
R
close the tailgate manually from outside
R open and close the tailgate automatically
from outside
R open and close the tailgate automatically
from inside
R unlock the tailgate from inside with the
emergency release
R limit the opening angle of the tailgate Tailgate reversing feature
The tailgate is equipped with an automatic
reversing feature. It reacts if a solid object
obstructs or restricts the tailgate during the
closing procedure. The tailgate opens again
automatically. The automatic reversing
feature is only an aid and is no tasubstitute
for your attention when closing the tailgate. G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small
fingers
R over the last 1/3 in (8 mm) of the closing
movement
This means that the reversing feature cannot
prevent someone being trapped in these
situations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
R press the 0004button on the SmartKey, or
R press the remote operating switch on the
driver’s door, or
R press the closing or locking button on the
tailgate, or
R pull the handle on the tailgate Opening/closing manually from
outside
Opening X
Press the 000Cbutton on the SmartKey.
X Pull handle 0002.
X Raise the tailgate.
Vehicles with the EASY-PACK tailgate: if
you pull handle 0002and then release it, the
tailgate opens automatically.
Closing X
Pull the tailgate down using recess 0002.
X Allow the tailgate to drop into the lock.
X Lock the vehicle if necessary with
the 000B button on the SmartKey or with
KEYLESS-GO.
i If a KEYLESS-GO key is detected in the
cargo compartment, the tailgate will not
lock. 90
Cargo compartmentOpening and closing

Opening/closing automatically from
outside
Important safety notes G
WARNING
Parts of the body could become trapped
during automatic closing of the tailgate.
Moreover, people, e.g. children, may be
standing in the closing area or may enter the
closing area during the closing process .There
is a risk of injury.
Make sure that nobody is in the vicinity of the
closing area during the closing process.
Use one of the following options to stop the
closing process:
R press the 0004button on the SmartKey.
R press the remote operating switch on the
driver's door.
R press the closing or locking button on the
tailgate.
R pull the handle on the tailgate. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. If the tailgate
is open when the engine is running,
particularly if the vehicle is moving, exhaust
fumes could enter the passenger
compartment. There is a risk of poisoning.
Turn off the engine before opening the
tailgate. Never drive with the tailgate open.
! The tailgate swings upwards and to the
rear when opened. Therefore, make sure
that there is sufficient clearance above and
behind the tailgate.
i Tailgate opening dimensions
(Y page 452).
i Notes on the reversing feature for the
tailgate (Y page 90). Opening the tailgate automatically You can open the tailgate automatically with
the SmartKey or the handle in the tailgate.
X
Press and hold the 0004button on the
SmartKey until the tailgate opens.
or
X If the tailgate is unlocked, pull the handle
and let it go again immediately.
Closing the tailgate automatically G
WARNING
Parts of the body could become trapped
during automatic closing of the tailgate.
Moreover, people, e.g. children, may be
standing in the closing area or may enter the
closing area during the closing process. There
is a risk of injury.
Make sure that nobody is in the vicinity of the
closing area during the closing process.
Use one of the following options to stop the
closing process:
R press the 0004button on the SmartKey.
R press the remote operating switch on the
driver's door.
R press the closing or locking button on the
tailgate.
R pull the handle on the tailgate. Closing and locking button (example: vehicle with
EASY-PACK tailgate and KEYLESS-GO)
0002
Closing button
0003 Locking button Cargo compartment
91Opening and closing Z

X
To close: press closing button 0002on the
tailgate.
or
X Press and hold the 0004button on the
SmartKey until the tailgate closes.
Vehicles with the EASY-PACK tailgate and
KEYLESS-GO :you can simultaneously close
and lock the tailgate.
X Press locking button 0003on the tailgate.
If a KEYLESS-GO key is detected outside
the vehicle, the tailgate closes and locks.
All the doors must be shut and the
SmartKey located in the vicinity of the
tailgate.
i The tailgate cannot be opened and closed
with the SmartKey if there is a SmartKey in
the ignition.
If the tailgate touches an object while
closing, the closing procedure is
interrupted and the tailgate reopens.
i If a KEYLESS-GO key is detected in the
cargo compartment, the tailgate will not
lock. Opening/closing automatically from
inside
Important safety notes G
WARNING
Parts of the body could become trapped
during automatic closing of the tailgate.
Moreover, people, e.g. children, may be
standing in the closing area or may enter the
closing area during the closing process. There
is a risk of injury.
Make sure that nobody is in the vicinity of the
closing area during the closing process.
Use one of the following options to stop the
closing process:
R press the 0004button on the SmartKey.
R press the remote operating switch on the
driver's door. R
press the closing or locking button on the
tailgate.
R pull the handle on the tailgate. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. If the tailgate
is open when the engine is running,
particularly if the vehicle is moving, exhaust
fumes could enter the passenger
compartment. There is a risk of poisoning.
Turn off the engine before opening the
tailgate. Never drive with the tailgate open.
! The tailgate swings upwards and to the
rear when opened. Therefore, make sure
that there is sufficient clearance above and
behind the tailgate.
i Tailgate opening dimensions
(Y page 452).
i Notes on the automatic reversing feature
for the tailgate (Y page 90).
Opening and closing You can open and close the tailgate from the
driver's seat when the vehicle is stationary
and unlocked.
X
To open: pull remote operating switch 0002
for the tailgate until the tailgate opens.
X To close: turn the SmartKey to position 1
or 2in the ignition lock.
X Press remote operating switch for
tailgate 0002until the tailgate is closed. 92
Cargo compartmentOpening and closing