2013 MERCEDES-BENZ G-CLASS SUV lock

In the event that the engine cannot be
started when the starter battery is fully
charged, the immobilizer may be faulty.
Contact an authorized Mercedes-Benz
Center or call
1-800-FOR-MERCedes
(in the
USA) or 1-800-387-0100 (in Canada). ATA (anti-theft alarm system)
X
To arm: lock the vehicle with the
SmartKey.
Indicator lamp 0043 flashes. The alarm
system is armed after approximately
15 seconds.
X To deactivate: unlock the vehicle
with the
SmartKey.
i If you then do
not open a door or the rear
door, the alarm system switches back on
again after approximately 40 seconds.
X To stop the alarm: insert the SmartKey
into the ignition lock.
The alarm is switched off.
or
X Press the 0036 or 0037 button on the
SmartKey.
The alarm is switched off.
A visual and audible alarm is triggered if the
alarm system is armed and you open:
R a door
R a door using the mechanical key
R the rear door
R the hood The alarm is also triggered if:
R
the position of the vehicle is changed.
R a window is smashed.
The alarm is not switched off, even if you
close the open door that has triggered it,
for example.
i If the alarm stays on for more than
30 seconds, the Tele Aid system
automatically initiates a call to the
Customer Assistance center. The mbrace
emergency call system initiates the call if:
R you have subscribed to the Tele Aid
service.
R the Tele Aid service has been activated
properly.
R the required mobile phone,

power supply
and GPS are available. Theft deterrent locking system
65
Safety Z

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that
your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Read the information on qualified
specialist workshops: ( Y page 23).SmartKey
Important safety notes
G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do

not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very hot, and a child could be burned on these
parts.
G
WARNING
Do not carry heavy or hard objects in the
passenger compartment or cargo
compartment unless they are firmly secured
in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident G
WARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be
unintentionally turned in the

ignition lock. This
could cause the engine to be switched off.
There is a risk of an accident.
Do not attach any heavy or large objects to
the SmartKey. Remove any bulky keyrings
before inserting the SmartKey into the
ignition lock. SmartKey functions
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 shift the manual transmission into neutral.
R starting the engine.
There is a risk of an accident and injury. 68
SmartKey
Opening/closing

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. 0043
0037 To lock the vehicle
0044 0036 To unlock the vehicle
X To unlock centrally: press the 0036
button.
If you do not open the vehicle 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 the 0037 button.
The SmartKey centrally locks/unlocks:
R the doors
R the rear door
R the fuel filler flap
i When unlocking, the turn signals flash
once.

When locking, they

flash three times.
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 221).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 219). Changing the settings of the locking
system
You can change the setting of the locking
system in such a way that only the driver's
door and the
fuel

filler flap are unlocked. This
is useful if you frequently travel on your own.
i If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the 0037 or 0036 button
locks or unlocks the vehicle.
X To change the setting: press and hold
down the 0036 and 0037 buttons
simultaneously for approximately six
seconds until battery check lamp 0043
flashes twice.
The SmartKey now functions as follows:
X To unlock the driver's door and fuel
filler flap: press the 0036 button once.
X To unlock centrally: press the 0036
button twice.
X To lock centrally: press the 0037 button. SmartKey
69
Opening/closing Z

Restoring the factory settings
X
Press the 0036 and 0037 buttons
simultaneously for approximately six
seconds until battery check lamp 0043
flashes twice. Mechanical key
General notes If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the rear door, the
anti-theft alarm system will be triggered
(Y page 65).
X
To end the alarm: insert
the SmartKey
into
the ignition lock.
Removing the mechanical key 0043
Release catch
0044 Mechanical key X
Push release catch 0043 in the direction of
the arrow and at the same time remove
mechanical key 0044 from the SmartKey. SmartKey battery
Important safety notes G
WARNING
Batteries contain toxic and corrosive
substances. 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.
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. National
guidelines must be observed during disposal.
In California, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Mercedes-Benz recommends that you have
the batteries replaced at a qualified specialist
workshop.
Checking the battery X
Press the 0037 or 0036 button.
The battery is working properly if battery
check lamp 0043 lights up briefly.70
SmartKey
Opening/closing

If battery check lamp 0043 does not light up
during the test, the battery is discharged.
X Change the battery ( Y page 71).
i You can get a battery in any qualified
specialist workshop.
i Have the batteries replaced
at a qualified
specialist workshop.
i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the 0037 or 0036 button:
R locks or
R unlocks the vehicle
Replacing the battery You require a CR 2025 3 V cell battery.
X
Take the mechanical key out of the
SmartKey (Y page 70). 0043
Battery compartment cover
0044 Mechanical key
X Press mechanical key 0044 into the opening
in the SmartKey in the direction of the
arrow until battery
tray

cover 0043 opens. Do
not hold the cover closed while doing so.
X Remove battery tray cover 0043. 0087
Battery
X Repeatedly tap the SmartKey against your
palm until battery 0087 falls out.
X Insert the new battery with the positive
terminal facing upwards. Use a lint-free
cloth to do so.
X Make sure that the surface of the battery is
free from lint,
grease

and all other forms of
contamination.
X Insert the front tabs of battery tray
cover 0043 and then press to close it.
X Insert the mechanical key into the
SmartKey.
X Check the function of all SmartKey buttons
on the vehicle. SmartKey
71
Opening/closing Z

Problems with the SmartKey
Problem Possible causes/consequences and
0050 SolutionsYou cannot lock or
unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X
Point the tip of the SmartKey at the driver's door handle from a
distance of approximately 1.5 ft (50 cm) and try to unlock or
lock the vehicle again.
If this does not work:
X Check the SmartKey battery ( Y
page 70) and replace it if
necessary ( Y page 71).
X Lock ( Y page 75) or unlock ( Y page 76) the vehicle using
the mechanical key. The SmartKey is faulty.
X
Lock or unlock the vehicle using the mechanical key
(Y page 75).
X Have the SmartKey checked at a qualified specialist workshop. 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.72
SmartKey
Opening/closing

Problem Possible causes/consequences and
0050 SolutionsThe engine cannot be
started using the
SmartKey. The SmartKey has been in position
0(Y page 139) for a
considerable time.
X Remove the SmartKey and reinsert it into the ignition lock.
X Start the engine. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to turn the SmartKey again.
If this does not work:
X Check the battery and charge it if necessary ( Y page 307).
or
X Jump-start the vehicle (Y page 308).
or
X Consult a qualified specialist workshop. Doors
Important safety notes
G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system, and do
not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts.
G
WARNING
Do not carry heavy or hard objects in the
passenger compartment or cargo
compartment unless they are firmly secured
in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident Doors
73
Opening/closing Z

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 shift the manual transmission into neutral.
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. Unlocking and opening doors from
the inside
If the vehicle has

previously been locked with
the SmartKey, opening a door from the inside
will trigger the anti-theft alarm system.
Switch off the alarm (Y page 65).
Only open the door when the traffic situation
permits. X
Front doors: pull door handle 0044.
If the door is

locked, locking knob 0043 pops
up. The door is unlocked and can be
opened.
X Rear compartment doors: pull
handle 0043 up.
The door is unlocked.
X Pull door handle 0044. Centrally locking and unlocking the
vehicle from the inside
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 shift the manual transmission into neutral.
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.
You can centrally lock or unlock the vehicle
from the inside. This feature may be useful if,
for example, you wish to unlock the front-
passenger door from the inside or lock the
vehicle before you pull away.
The central locking button does not lock or
unlock the fuel filler flap. 74
DoorsOpening/closing