2016 MERCEDES-BENZ G-Class fuel fill door release

Useful information
i
This Operator's Manual describes all models
and all standard and optional equipment of
your vehicle available at the time of publica-
tion of the Operator's Manual. Country-spe-
cific 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.
iRead the information on qualified specialist
workshops: (Ypage 23).
SmartKey
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshift the automatic transmission out of park
position P or shift manual transmission into
neutral.
Rstart 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.
GWARNING
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.
GWARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be uninten-
tionally 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 key rings before
inserting the SmartKey into the ignition lock.
SmartKey functions
:& To lock the vehicle
;%Unlocks the vehicle
XTo unlock centrally: press the%button.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
Rthe vehicle is locked again.
Ranti-theft protection is reactivated.
XTo lock centrally: press the&button.
The SmartKey centrally locks/unlocks:
Rthe doors
Rthe rear door
Rthe fuel filler flap
iThe turn signals flash once when 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 (
Ypage 180).
When it is dark, the surround lighting also comes
on if it is activated in the on-board computer
(
Ypage 179).
60SmartKey
Opening and closing

Changing the settings of the locking
system
You can change the setting of the locking sys-
tem 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.
iIf the setting of the locking system is
changed within the signal range of the vehicle,
pressing the &or% button locks or
unlocks the vehicle.
XTo change the setting: press and hold down
the % and& buttons simultaneously
for approximately six seconds until battery
check lamp :flashes twice.
The SmartKey now functions as follows:
XTo unlock the driver's door and fuel filler
flap: press the %button once.
XTo unlock centrally: press the%button
twice.
XTo lock centrally: press the&button.
Restoring the factory settings
XPress the %and& buttons simultane-
ously for approximately six seconds until bat- tery check lamp :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 (
Ypage 59).
XTo end the alarm: insert the SmartKey into
the ignition lock.
Removing the mechanical key
:Release catch
;Mechanical key
XPush release catch :in the direction of the
arrow and at the same time remove mechan-
ical key ;from the SmartKey.
SmartKey battery
Important safety notes
GWARNING
Batteries contain toxic and corrosive substan- ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatalinjury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately.
SmartKey61
Opening and closing
Z

XFront doors:pull door handle ;.
If the door is locked, locking knob :pops up.
The door is unlocked and can be opened.
XRear compartment doors: pull handle:
up.
The door is unlocked.
XPull door handle ;.
Centrally locking and unlocking the
vehicle from the inside
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshift the automatic transmission out of park
position P or shift manual transmission into
neutral.
Rstart 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.
The central locking button does not lock or
unlock the fuel filler flap.
XTo unlock: press button :.
XTo lock:press button ;.
If all the doors are closed, the vehicle locks.
You can open a front door from inside the vehi-
cle even if it has been locked. Only open the door
when the traffic situation permits.
If the vehicle has been locked with the central
locking button:
Rand the SmartKey is restored to the factory
settings, the entire vehicle is unlocked if a
front door is opened from inside the vehicle.
Rand the SmartKey is set to an individual set-
ting, only the front door that is opened from
inside the vehicle is unlocked.
If the vehicle has been locked centrally with the
SmartKey, it does not unlock if you use the cen-
tral locking button.
iYou cannot unlock the vehicle centrally from
the inside if the vehicle has been locked from
the outside using the SmartKey.
iIt is only possible to lock the vehicle cen-
trally if all doors are closed.
Doors65
Opening and closing
Z

XMake sure that the doors and the tailgate are
locked.
XInsert the mechanical key into the SmartKey.
iIf you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-theft
alarm system is not armed.
Rear door
Important safety notes
GWARNING
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:
Rinjure themselves on vehicle parts
Rbe seriously or fatally injured by extreme
heat or cold
Rinjure themselves or have an accident with
vehicle equipment that may still be in oper-
ation 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.
GWARNING
Do not carry heavy or hard objects in the
passenger compartment or cargo compart-
ment unless they are firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event of
Rstrong braking maneuvers
Rsudden changes of direction
Ran accident
GWARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. If the rear
door is open when the engine is running, par-
ticularly if the vehicle is moving, exhaust
fumes could enter the passenger compart-
ment. There is a risk of poisoning.
Turn off the engine before opening the rear
door. Never drive with the rear door open.
!The tailgate swings out to the side when
opened. Therefore, make sure that there is
sufficient clearance.
iDo not leave the SmartKey in the cargo
compartment. Otherwise, you could lock
yourself out.
Opening
You can only open the rear door after unlocking
it first.
XPress the %button on the SmartKey.
XPress release button :and pull door han-
dle ;.
XOpen the rear door.
Rear door67
Opening and closing
Z

Fuel filler flap emergency release
The emergencyrelease is locate din th ecargo
compartment, on th eright-hand side when
viewed in th edirection of travel ,behind th erear
panel trim.
iThe vehicl ebody in th eemergenc yrelease
area has shar pedges. Ther eis aris kof injury.
Avoid contact wit hth eedge son th einside of
th evehicl ebody.
XOpen th erear door .
XRemove edge protection :.
XRemove rear panel trim;.
XPull emergencyrelease =in th edirection of
th earrow.
The fuel filler flap is unlocked.
XOpen th efuel filler flap .
Refueling129
Driving and parking
Z

Problems with the fuel and fuel tank
ProblemPossible causes/consequences andMSolutions
Fuel is leaking from the
vehicle.The fuel line or the fuel tank is defective.
GWARNING
Risk of explosion or fire.
XTurn the SmartKey to position 0(Ypage 112) immediately and
remove it.
XDo not restart the engine under any circumstances.
XConsult a qualified specialist workshop.
The fuel filler flap cannot
be opened.The fuel filler flap is not unlocked.
or
The SmartKey batteries are discharged.
XUnlock the vehicle (Ypage 60).
or
XUnlock the vehicle using the mechanical key (Ypage 61).
XOpen the rear door.
XManually unlock the fuel filler flap using the emergency release
(Ypage 129).
The fuel filler flap is unlocked, but the opening mechanism is jammed.
XManually unlock the fuel filler flap using the emergency release
(Ypage 129).
XConsult a qualified specialist workshop.
Parking
Important safety notes
GWARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
Rrelease the parking brake.
Rshift the automatic transmission out of the
parking position P.
Rstart the engine.
In addition, they may operate vehicle equip-
ment and become trapped. 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 unsupervised in the vehicle.
GWARNING
Flammable material such as leaves, grass or
twigs may ignite if they come into contact with
hot parts of the exhaust system or exhaust
gas flow. There is a risk of fire.
Park the vehicle so that no flammable mate-
rials come into contact with parts of the vehi-
cle which are hot. Take particular care not to
park on dry grassland or harvested grain
fields.
GWARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect, for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk
of an accident.
130Parking
Driving and parking

Maximum tire pressures
:Example: maximum permissible tire pres-
sure
Never exceed the maximum permissible tire
inflation pressure. Always observe the recom-
mended tire pressure for your vehicle when
adjusting the tire pressure (
Ypage 279).
iThe actual values for tires are vehicle-spe-
cific and may deviate from the values in the
illustration.
Checking the tire pressures
Important safety notes
Observe the notes on tire pressure
(Ypage 265).
Information on air pressure for the tires on your
vehicle can be found:
Ron the tire pressure label on the fuel filler flap
(Ypage 266)
Rin the "Tire pressure data" section
(Ypage 265)
Checking tire pressures manually
To determine and set the correct tire pressure,
proceed as follows:
XRemove the valve cap of the tire that is to be
checked.
XPress the tire pressure gauge securely onto
the valve.
XRead the tire pressure and compare it to the
recommended value on the Tire and Loading
Information placard on fuel filler flap of your
vehicle (
Ypage 266).
XThe tire pressure is too low: increase the
tire pressure to the recommended value.
XThe tire pressure is too high: press down
the metal pin in the valve using the tip of a
pen, for example.
Air is released from the tire.
XCheck the tire pressure again with the tire
pressure gauge.
XScrew the valve cap onto the valve.
XRepeat these steps for the other tires.
Tire pressure monitor
Important safety notes
GWARNING
Each tire, including the spare (if provided),
should be checked at least once a month
when cold and inflated to the pressure rec-
ommended by the vehicle manufacturer on
the Tire and Loading Information placard on
the driver's door B-pillar or the tire pressure
label on the inside of the fuel filler flap. If your
vehicle has tires of a different size than the
size indicated on the Tire and Loading Infor-
mation placard or the tire pressure label, you
should determine the proper tire pressure for
those tires.
As an added safety feature, your vehicle has
been equipped with a tire pressure monitoring
system (TPMS) that illuminates a low tire pres-
sure telltale when one or more of your tires
are significantly underinflated. Accordingly,
when the low tire pressure telltale illuminates,
you should stop and check your tires as soon
as possible, and inflate them to the proper
pressure. Driving on a significantly underin-
flated tire causes the tire to overheat and can lead to tire failure. Underinflation also
reduces fuel efficiency and tire tread life, and
may affect the vehicle's handling and stop-
ping ability.
Please note that the TPMS is not a substitute
for proper tire maintenance, and it is the driv-
er's responsibility to maintain correct tire
pressure, even if underinflation has not
reached the level to trigger illumination of the
TPMS low tire pressure telltale.
USA only:
268Tire pressure
Wheels and tires