change key battery MERCEDES-BENZ G-Class 2014 W463 Owner's Manual

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 0043flashes. 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 0036or0037 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
65Safety Z

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 the0036
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 the0037button.
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 216).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 215). 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 0037or0036 button
locks or unlocks the vehicle.
X To change the setting: press and hold
down the 0036and0037 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 the0036button once.
X To unlock centrally: press the0036
button twice.
X To lock centrally: press the0037button. SmartKey
69Opening and closing Z

If battery check lamp
0043does 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 0037or0036 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 0044into the opening
in the SmartKey in the direction of the
arrow until battery tray cover 0043opens. 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 0087falls 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 0043and 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
71Opening and closing Z

Problems with the SmartKey
Problem Possible causes/consequences and
0050
0050Solutions You 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 Unlock (Y page 75) or lock (Y page 75) 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. The 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 301).
or
X Jump-start the vehicle (Y page 303).
or
X Consult a qualified specialist workshop. 72
SmartKeyOpening and closing

Rear towing eye
0043is located under the
bumper, on the left-hand side when viewed in
the direction of travel. Towing a vehicle with both axles on
the ground
It is important that you observe the safety
instructions when towing away your vehicle
(Y page 305).
X Switch on the hazard warning lamps
(Y page 104).
i In order to signal a change of direction
when towing the vehicle with the hazard
warning lamps switched on, use the
combination switch as usual. In this case,
only the turn signals for the desired
direction flash. When you reset the
combination switch, the hazard warning
lamps start flashing again.
X Turn the SmartKey to position 2in the
ignition lock (Y page 139).
X When the vehicle is stationary, depress the
brake pedal and keep it depressed.
X Shift the transfer case to
neutral(Y page 195).
X Shift the automatic transmission to
position N.
X Release the brake pedal.
X Release the parking brake (Y page 157).
i The transmission can only change gear if
the battery has sufficient charge.
If you cannot move the selector lever to N,
the propeller shafts to the driven axles
must be removed. Transporting the vehicle
! You may only secure the vehicle by the
wheels, not by parts of the vehicle such as
axle or steering components. Otherwise,
the vehicle could be damaged. Use the towing eyes to pull the vehicle if it
needs to be transported on a trailer or
transporter (Y
page 306).
X Apply the parking brake.
X Turn the SmartKey to position 2in the
ignition lock (Y page 139).
X Move the selector lever to N.
X Shift the transfer case to neutral
(Y page 195).
X Secure the towing cable to the towing eyes
(Y page 306).
X Make sure that the vehicle cannot roll
away.
X Release the parking brake.
X Load the vehicle onto the transporter.
As soon as the vehicle has been loaded:
X Apply the parking brake.
X Shift the automatic transmission to
position P.
X Turn the SmartKey to position 0in the
ignition lock (Y page 139) and remove it.
X Secure the vehicle. Recovering a vehicle that has become
stuck
! When recovering a vehicle that has
become stuck, pull it as smoothly and
evenly as possible. Excessive tractive
power could damage the vehicles.
If the drive wheels have become stuck in
loose or muddy ground, pull the vehicle out
with extreme caution, especially so if the
vehicle is loaded.
Never attempt to recover a stuck vehicle with
a trailer attached.
Pull out the vehicle backwards, if possible
using the tracks it made when it became
stuck. Towing and tow-starting
307Breakdown assistance Z