2012 MERCEDES-BENZ G-Class lock

Display messages Possible causes/consequences and
M Solutionsb
High-beam left or 
High-beam right The left or right-hand high beam is defective.
X
Visit a qualified specialist workshop. b
License Plate
Lamp, Left or 
License Plate
Lamp, Right There is a short circuit in the LED lamps. The LEDs have been
switched off.
X
Visit a qualified specialist workshop.
i Individual segments of the LED lamps may fail without a display
message being shown in the multifunction display. Regularly
check the license plate lamp. If necessary, visit a qualified
specialist workshop. b
Switch off lights
or remove key You have left the SmartKey in the ignition lock.
X
Remove the SmartKey from the ignition lock. b
Switch Off Lights The lights are still switched on when you leave the vehicle.
X
Turn the light switch to $ or Ã(Y page 88). b
Fog lamp left or 
fog lamp right The left-hand or right-hand front fog lamp is defective.
X
Replace the bulb ( Y page 94).b
Front Left Side
Marker Lamp or 
Front Right Side
Marker Lamp The left or right front side marker lamp is defective.
X
Replace the bulb ( Y page 94).b
Rear
fog

lamp Back-
up bulb on The rear fog lamp is defective. Another lamp has taken over its
function.
X
Replace the bulb ( Y page 94).b
Standing lamp
front
left

Back-up
bulb on or 
standing lamp
front right Back-
up bulb on The front left-hand or front right-hand standing lamp is faulty.
Another lamp has taken over its function.
X
Visit a qualified specialist workshop. Display messages
169
On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions?
Coolant
Stop,
Turn
Engine Off The coolant is too hot.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Make sure that the air supply to the radiator is not blocked, e.g.
by snow, slush or ice.
X Wait until the display message disappears before restarting the
engine. Otherwise, there is a risk of engine damage.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit a qualified specialist
workshop immediately. The poly-V-belt may have torn.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Open the hood.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not

continue driving. The engine could otherwise overheat.
X Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X Wait until the display message disappears before restarting the
engine. Otherwise, there is a risk of engine damage.
X Pay attention to the coolant temperature display.
X Visit a qualified specialist workshop. G
WARNING
Driving when your engine is overheated can cause some fluids which may have leaked into the
engine compartment to catch fire. You could be seriously burned.
Steam from

an overheated engine can cause serious burns which can occur just by opening the
engine hood. Stay away from the engine if you see or hear steam coming from it.
Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the
vehicle and do not stand near the vehicle until the engine has cooled down.
! If the coolant temperature exceeds 248 ‡(120 †) do not continue driving. The engine will
otherwise be damaged. Display messages
171
On-board computer and displays Z

Problem Possible causes/consequences and
M Solutions!
The
yellow
ABS warning
lamp is lit while the
engine is running. G
Risk of accident
ABS (Anti-lock Brake System) is deactivated due to a malfunction.
Therefore, BAS

(Brake Assist), ESP ®
(Electronic Stability Program),
EBD (electronic brake force distribution) and 4ETS are also
deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.
If the ABS control unit is defective, other systems, such as the
navigation system or the automatic transmission, may also be
unavailable. !
The
yellow

ABS warning
lamp is lit while the
engine is running. G
Risk of accident
The on-board voltage is too low. ABS has been deactivated due to
undervoltage.
ESP ®
, BAS, EBD and 4ETS are therefore also deactivated, for
example.
The brake

system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Switch off consumers that are not required, e.g. the rear window
defroster or interior lighting.
ABS will be available again as soon as the vehicle's on-board
electrical system voltage increases.
If the warning lamp is still on:
X Have the battery and alternator checked at a qualified specialist
workshop. !
The
yellow

ABS warning
lamp is lit while the
engine is running. You have engaged the differential locks. ABS, BAS, EBD, ESP
®
and
4ETS are deactivated.
X Disengage the differential locks.
Subsequently, ABS, BAS, EBD, ESP ®
and 4ETS are reactivated. Warning and indicator lamps in the instrument cluster
181
On-board computer and displays Z

Problem Possible causes/consequences and
M Solutions$ (USA only)
J (Canada only)
!
The red brake system
warning lamp and the
yellow ABS warning
lamp are on while
driving. In addition, a
warning tone sounds
for about five seconds.
G
Risk of accident
EBD is faulty.
The brake
system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Drive on carefully.
X Visit a qualified specialist workshop. ÷
The yellow ESP
®
warning lamp flashes
while the vehicle is in
motion. G
Risk of accident
ESP ®
or traction control is intervening because there is a risk of
skidding or because at least one wheel has started to spin.
X When pulling away, only depress the accelerator pedal as far as
necessary.
X Ease off the accelerator pedal after pulling away.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
For exceptions: (

Y page 55).å
The yellow ESP
®
OFF
warning lamp

is lit while
the engine is running. G
Risk of accident
ESP ®
is deactivated. ESP ®
will not stabilize the vehicle if it starts
to skid or if a wheel starts to spin.
X Reactivate ESP ®
.
For exceptions: (
Y page 55).
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Have ESP ®
checked at a qualified specialist workshop. 182
Warning and indicator lamps in the instrument cluster
On-board computer and displays

Problem Possible causes/consequences and
M Solutionså
The yellow ESP
®
OFF
warning lamp
is lit while
the engine is running. You have engaged the differential locks. ABS, ESP
®
, 4ETS and BAS
have been deactivated.
X Disengage the differential locks.
ESP ®
, 4ETS and BAS are subsequently reactivated.
X Observe the additional display messages in the multifunction
display. +
The red SRS warning
lamp is lit while the
engine is running.
G
Risk of injury
The restraint systems are malfunctioning. The air bags or ETDs
may either be triggered unintentionally or, in the event of an
accident, not be triggered at all.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. G
WARNING
In the event a malfunction of the SRS is indicated as outlined above, the SRS may not be
operational.
For your safety, we strongly recommend that you contact an authorized Mercedes-Benz Center
immediately to

have the system checked. Otherwise the SRS may not be activated when needed
in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and
unnecessarily which could also result in injury. Warning and indicator lamps in the instrument cluster
183
On-board computer and displays Z

R
if the
rear bench seat is not occupied, insert
the belt tongue on the outer seat belts into
the buckle of opposite seat belt :.
R secure the load with sufficiently strong and
wear-resistant tie down. pad sharp edges
for protection. Stowage areas
Stowage compartments
Important safety notes G
WARNING
To help avoid personal injury during a collision
or sudden maneuver, exercise care when
storing objects in the vehicle. Put luggage or
cargo in the cargo compartment if possible.
Do not pile luggage or cargo higher than the
seat backrests.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
R braking
R vehicle maneuvers
R an accident
Stowage compartments in the front Glove box
i
Depending on the vehicle's equipment,
you will find an AUX-IN jack or a Media
Interface installed

in the glove box. A Media
Interface is a universal interface for
portable audio equipment, e.g. for an iPod
®
or USB device (see the separate
Audio or

COMAND operating instructions). X
To open: pull handle :
and open glove box
flap ;.
X To close: fold glove box flap ; upwards
until it engages.
The glove box can only be locked and
unlocked using the mechanical key. 1
Glove box unlocked
2 Glove box locked
X To lock: insert the mechanical key
(Y page 61) into the lock and turn it 90°
clockwise to position 2.
X To unlock: insert the mechanical key
(Y page 61) into the lock and turn it 90°
counter-clockwise to position 1.
Stowage compartment/telephone
compartment under the armrest/in the
center console.
Under the armrest is a shallow stowage tray
(telephone compartment), under which is a
deeper stowage compartment. Stowage areas
189
Stowing and features Z

X
To open the stowage tray (telephone
compartment): press
button : and raise
the armrest.
X To open the stowage compartment:
press button ; and raise the armrest.
The stowage

tray is raised together with the
armrest.
X To open the stowage compartment in
the center console: slide cover = back
using the handle.
i The º(Y page 200) Roadside
Assistance call button and
E(Y page 201) MB Info call button are
located in

the stowage compartment under
the armrest.
Stowage compartments in the rear Stowage pockets
G
WARNING
Storage bags are intended for storing light-
weight items only.
Heavy objects, objects with sharp edges or
fragile objects may not be transported in the
storage bag. In an accident, during hard
braking, or

sudden maneuvers, they could be
thrown around inside the vehicle and cause
injury to vehicle occupants.
Storage bags cannot protect transported
goods in the event of an accident.
The stowage pockets are located on the rear
side of the front seats. Parcel nets
G
WARNING
Parcel nets are intended for storing light-
weight items only, such as road maps, mail,
etc.
Heavy objects, objects with sharp edges, or
fragile objects may not be transported in the
parcel nets. In an accident, during hard
braking, or

sudden maneuvers, they could be
thrown around inside the vehicle and cause
injury to vehicle occupants.
Parcel nets cannot protect transported goods
in the event of an accident.
The parcel nets are located in the front-
passenger footwell. Cargo compartment enlargement
Important safety notes G
WARNING
Always lock the seat backrest in its upright
position when the rear seat bench is
occupied, or

the extended cargo volume is not
in use.
Check for secure locking by pushing and
pulling on the seat backrest.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to
vehicle occupants unless the items are
securely fastened in the vehicle.
To help avoid personal injury during a collision
or sudden maneuver, exercise care when
transporting cargo. G
WARNING
Failure to assure that the seat bench and seat
backrests are locked into place could result
in an increased chance of injury in an
accident.
Never place hands under seat or near any
moving parts while a seat is being adjusted. 190
Stowage areas
Stowing and features

being thrown forwards from the cargo
compartment.
Securing cargo
Important safety notes G
WARNING
Distribute the load on the cargo tie down rings
evenly.
Otherwise, vehicle occupants could be
injured by

objects being thrown around if you:
R brake sharply
R change direction suddenly
R are involved in an accident
Please observe the loading guidelines.
Observe the following notes on securing
loads:
R secure the load using the cargo tie down
rings.
R do not use elastic straps or nets to secure
a load, as these are only intended as an
anti-slip protection for light loads.
R do not route tie downs across sharp edges
or corners.
R pad sharp edges for protection.
R only use tie downs that have been checked
in accordance with applicable standards,
e.g. lashing nets or lashing straps.
R fill the spaces between the load and the
cargo compartment walls and the wheel
mountings in a form-locking way. Only use
dimensionally stable transportation aids
for this, such as chocks, wooden fixings or
padding.
Cargo tie down rings in the cargo
compartment There are four cargo tie down rings in the
cargo compartment mounted at the sides. Cargo compartment cover
Important safety notes !
When loading

the vehicle, make sure that
you do not stack the load in the cargo
compartment higher than the lower edge of
the side windows. Do not place heavy
objects on top of the cargo compartment
cover.
The cargo compartment cover is located
behind the rear bench seat backrest.
Opening and closing the cargo
compartment cover X
To open:
pull cargo compartment
cover : back

and clip it into the retainers
on the left and right of the rear door.
X To close: unclip cargo compartment
cover : and guide it forwards until it is
completely rolled up. 192
Stowage areas
Stowing and features