2013 MERCEDES-BENZ G-Class warning lights

Differential lock for the transfer case
X
To engage: switch the transfer case to the
LOW RANGE off-road driving position
(Y page 199).
X Press switch =.
When the transfer case is in the LOW
RANGE

off-road driving position, the yellow
activation indicator lamp below switch =
lights up.
The å warning lamp in the instrument
panel lights up.
When the differential is locked, the red
function indicator lamp above switch =
lights up.
In the multifunction display you see the:
ABS not available Differential
Locked
The å!÷ warning lamps in the
instrument cluster light up.
The differential lock for the transfer case is
engaged.
4ETS, ESP ®
, BAS and ABS are deactivated.
The vehicle's ability to steer is severely
restricted. Drive carefully and accelerate
gently for optimum traction.
i You can now engage the differential lock
for

rear axle ? and the differential lock for
front axle ; as required.
Differential lock for the rear axle X
To engage: press switch ?.
Yellow activation indicator lamp A lights
up first, followed by red function indicator
lamp : of switch ?.
The differential lock for the rear axle is
engaged.
Differential lock for the front axle X
To engage: press switch ;.
First, the yellow activation indicator lamp
lights up, followed by the red function
indicator lamp. The differential lock for the front axle is
engaged.
Deactivating the differential lock You can deactivate the differential locks in
this order: ;, ?, =.
X
To simultaneously deactivate all
differential locks: press switch =.
Yellow activation indicator lamps A and
red function indicator lamps : go out.
After approximately three seconds of
normal driving, ABS, 4ETS, ESP ®
and BAS
are activated.
The ABS

not available Differential
Locked message disappears from the
multifunction display and the å, !
and ÷ warning lamps in the instrument
cluster go out.
X Shift the transfer case to the HIGH
RANGE on-road position (Y page 199).
i If red function indicator lamps : do not
go out after disengaging the differential
locks, bring the vehicle to a standstill in
accordance with the traffic conditions.
Then continue driving, as the load change
can release the differential locks. Towing a trailer
Notes on towing a trailer
Important safety notes G
WARNING
If you rest your foot on the brake pedal while
driving,
the braking system can overheat. This
increases the stopping distance and can even
cause the braking system to fail. There is a
risk of an accident.
Never use the brake pedal as a footrest. Never
depress the brake pedal and the accelerator
pedal at the same time. Towing a trailer
203
Driving and parking Z

Activating/deactivating the acoustic
locking verification signal
If
you switch on the Acoustic Lock function,
an acoustic signal sounds when you lock the
vehicle.
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press : or 9 to select the Vehicle
submenu.
X Press a to confirm.
X Press the :
or 9 button to select the
Acoustic Lock function.
If the Acoustic Lock function is activated,
the & symbol in the multifunction
display lights up red.
X Press the a button to save the setting.
Convenience Activating/deactivating the EASY-
ENTRY/EXIT feature
G
WARNING
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement, move
steering

wheel adjustment lever or press one
of the memory position buttons.
Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could open the driver's door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the :
or 9 button to select the
Convenience submenu.
X Press a to confirm. X
Press : or 9 to select the Easy
Entry/Exit: function.
If the Easy Entry/Exit function is
activated, the vehicle steering wheel is
displayed in red in the multifunction
display.
X Press the a button to save the setting.
Further information on the EASY-ENTRY/EXIT
feature ( Y page 92).
Switching the fold-in mirrors when
locking feature on/off
When you activate the Auto. Mirror
Folding function, the exterior mirrors are
folded in when the vehicle is locked. If you
unlock the vehicle and then open a door, the
exterior mirrors fold out again.
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the :
or 9 button to select the
Convenience submenu.
X Press a to confirm.
X Press : or 9 to select the Auto.
Mirror Folding function.
If the Auto. Mirror Folding function is
activated, the vehicle's exterior mirror is
displayed in red in the multifunction
display.
X Press the a button to save the setting. :
To fold the exterior mirrors in or out
If you have switched the Auto. Mirror
Folding
on and you fold the exterior mirrors
in using button :, they will not fold out
automatically ( Y page 93). Menus and submenus
221
On-board computer and displays Z

You can then only fold out the exterior mirrors
using button :.
Restoring the factory settings
X Press the = or ; button on the
steering wheel to select the Sett. menu.
X Press the : or 9 button to select the
Factory Setting submenu.
X Press a to confirm.
The Reset All Settings? message
appears.
X Press the : or 9 button to select
No or Yes.
X Press a to confirm the selection.
If you select Yes, the multifunction display
shows a confirmation message.
For safety reasons, the Daytime Running
Lights function in the Lights submenu is
only reset if the vehicle is stationary. AMG menu in AMG vehicles
AMG displays :
Digital speedometer
; Gear indicator
= Upshift indicator
? Engine oil temperature
A Coolant temperature
B Status indicator for ECO start/stop
function ( Y page 141)
X Press = or ; on the steering wheel
to select the AMG menu.
Upshift indicator UP = indicates that the
engine has reached the overrevving range
when in the manual gearshift program. Upshift indicator UP = fades out other
messages until you have shifted up.
If the engine oil temperature is below

176 ‡
(80 †), the oil temperature is shown in blue.
Avoid driving at full engine output during this
time.
SETUP :
Drive program (C/SS+/M)
; ESP ®
mode ( ON/OFF)
= Suspension tuning (SPORT/COMFORT)
SETUP shows the drive program, the ESP ®
(Electronic Stability Program) mode and the
SPORT handling mode.
X Press = or ; on the steering wheel
to select the AMG menu.
X Press the 9 button repeatedly until
SETUP is displayed.
RACETIMER Displaying and starting RACETIMER
G
WARNING
The RACETIMER feature is only for use on
roads and in conditions where high speed
driving

is permitted. Racing on public roads is
prohibited under all circumstances. The driver
is and must always remain responsible for
following posted speed limits. 222
Menus and submenus
On-board computer and displays

Safety systems
Display messages Possible causes/consequences and
M Solutions!÷
Currently
Unavailable See
Operator's Manual ABS (Anti-lock Braking System), ESP
®
(Electronic Stability
Program), BAS (Brake Assist), the HOLD function, hill start assist
and ESP ®
trailer stabilization are temporarily unavailable.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷, å and ! warning lamps light up in
the instrument cluster.
Possible causes are:
R Self-diagnosis is not yet complete.
R The on-board voltage may be insufficient.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®

is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a suitable distance making slight steering
movements at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. !÷
Inoperative See
Operator's Manual ABS, ESP
®
, BAS, the HOLD function, hill start assist and
ESP ®
trailer stabilization are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
The $ (USA only)/J (Canada only), ÷, å and !
warning lamps in the instrument cluster also light up.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase. 226
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M SolutionsIf ESP
®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. ÷
Currently
Unavailable See
Operator's Manual ESP
®
, BAS, the HOLD function, hill start assist and ESP ®
trailer
stabilization are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷ and å warning lamps light up in the
instrument cluster.
The self-diagnosis function might not be complete, for example.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®


is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a suitable distance making slight steering
movements at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. Display messages
227
On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions÷
Inoperative See
Operator's Manual ESP
®
, BAS, the HOLD function, hill start assist and ESP ®
trailer
stabilization are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷ and å warning lamps light up in the
instrument cluster.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®

is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop. T!
÷
Inoperative See
Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS, the
HOLD function, hill start assist and ESP ®
trailer stabilization are
unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷, å and ! warning lamps light up in
the instrument cluster and a warning tone sounds.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®


is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. F(USA
only)!(Canada
only)
Release

Park. Brake You are driving with the parking brake applied. A warning tone also
sounds.
X
Release the parking brake.228
Display messages
On-board computer and displays

Display messages Possible causes/consequences and
M Solutions$(USA
only)J(Canada
only)
Check Brake Fluid
Level There is not enough brake fluid in the brake fluid reservoir. In
addition, the
$ (USA only)/J (Canada only) warning lamp
lights up in the instrument cluster and a warning tone sounds.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention
to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away ( Y page 156).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. #
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop. G
mbrace Inoperative USA only:
one
or more main functions of the mbrace system are
malfunctioning.
Canada only: one or more main functions of the TELE AID system
are malfunctioning.
X USA only: have the mbrace system checked at a qualified
specialist workshop.
X Canada only: have the Tele AID system checked at a qualified
specialist workshop. 6
SRS Malfunction
Service Required There is a malfunction in the SRS (Supplemental Restraint
System). The 6 warning lamp also lights up in the instrument
cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop.
For further information about SRS, see (Y page 39). Display messages
229
On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions6
Front Left
Malfunction
Service
RequiredorFront
Right Malfunction
Service Required SRS has malfunctioned at the front on the left or right. The
6
warning lamp also lights up in the instrument cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 6
Rear Left
Malfunction
Service
RequiredorRear
Right Malfunction
Service Required SRS has malfunctioned at the rear on the left or right. The
6
warning lamp also lights up in the instrument cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 6
Rear Center
Malfunction
Service Required SRS has malfunctioned at the rear center. The
6 warning lamp
also lights up in the instrument cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 6
Left Side Curtain
Airbag

Malfunction
Service Required 
or Right Side
Curtain Airbag
Malfunction
Service Required There is a malfunction in the left-hand or right-hand window
curtain air bag. The
6 warning lamp also lights up in the
instrument cluster.
G WARNING
The left or right window curtain air bag may either be triggered
unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop.230
Display messages
On-board computer and displays