2012 MERCEDES-BENZ G-Class bulb

Lights
Display messages Possible causes/consequences and
M Solutions
b
Low-Beam Left
 or 
Low-Beam Right The left or right-hand low-beam headlamp is defective.
X
Visit a qualified specialist workshop. b
AUTO-Light
Inoperative The light sensor is defective. The low-beam headlamps are
switched on.
X
USA only: set the lights to manual operation in the on-board
computer ( Y page 160).
X Switch the lights on and off using the light switch.
X Visit a qualified specialist workshop. b
Turn signal rear
left Back-up bulb
on
  or  

Turn signal
rear right Back-up
bulb on The rear left-hand or rear right-hand turn signal is defective.
Another lamp has taken over its function.
X
Replace the bulb
(
Y page 94). b
Turn signal left
mirror
  or  Turn
signal right

mirror The turn signal in the left-hand or right-hand exterior mirror is
defective.
These
messages will only appear if all of the turn signal's
LEDs have failed.
X Visit a qualified specialist workshop. b
Turn signal front
left Back-up bulb
on

  or
 

Turn signal
front right Back-
up bulb on The front left-hand or front right-hand turn signal is defective.
Another lamp has taken over its function.
X
Replace the bulb
(
Y page 94). b
Brake lamp left
  or
 Brake lamp right The left or right-hand brake lamp is defective.
X
Replace the bulb (
Y page 94). b
High-mounted
brake
lamp The high-mounted brake lamp is faulty. This message will only
appear if all of the brake lamp's LEDs have failed.
X
Visit a qualified specialist workshop.168
Display messages
On-board computer and displays

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 Solutionsb
Reversing lamp
right The backup lamp is faulty.
X
Replace the bulb ( Y page 94).b
Tail lamp left
Back-up bulb on
 or 
Tail lamp right
Back-up bulb on The left or right-hand tail lamp is faulty. Another lamp has taken
over its function.
X
Replace the bulb ( Y page 98).Engine
Display messages Possible causes/consequences and
M Solutions; Some electronic systems are unable to send information to the
on-board computer. The coolant temperature gauge and the
tachometer could be malfunctioning.
X
Visit a qualified specialist workshop. +
Top
Up
Coolant See
Operator's Manual The coolant level is too low.
X
Add coolant, following the warning notes when doing so
(Y page 213).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop. G
WARNING
Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn
if it comes into contact with hot engine parts. You could be seriously burned.
! The coolant

level is too low. Avoid making long journeys with too little coolant in the cooling
system. The engine will otherwise be damaged.
The display messages and the corresponding symbol that indicate that the coolant level is
too low must not be ignored. 170
Display messages
On-board computer and displays

R
USA: Response Center at
1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
You will be asked for your password.
X Return to your vehicle at the time arranged
with the Response Center.
X Press and hold the release button on the
rear door handle for at least 20 seconds
until the indicator lamp in the SOS button
(Y page 199) begins flashing.
The Connecting Call message appears
on the multifunction display.
Alternatively, the vehicle can also be opened
via the Internet in the "Owners Online"
section using your ID number and
password 17
.
i Vehicle remote
unlocking is only possible
if the corresponding mobile phone network
is accessible.
The SOS button flashes and the
Connecting Call message appears in the
multifunction display to confirm that the
command for vehicle remote unlocking has
been received.
If you press the rear door's locking cylinder
for more than 20 seconds before receiving
authorization for remote unlocking, you
must wait 15 minutes before you can press
the rear door's locking cylinder again.
Service for recovering a stolen vehicle If your vehicle has been stolen:
X
Contact the police.
The police

will issue an incident report. This
report has a number.
X Forward this number to the Response
Center together with your PIN.
The Response Center will then attempt to
covertly contact the mbrace system. The
Response Center contacts you and the
local law enforcement authority if the
vehicle is located. However, only the law enforcement is informed of the location of
the vehicle.
i If the anti-theft alarm system remains
activated for longer than thirty seconds,
mbrace is automatically connected to the
Response Center. Brush guard (USA only)
G
WARNING
The brush guard is designed solely to enhance
the appearance of the vehicle and help
protect grille and headlamps from minor
mishaps, either on or off road.
Since the

safety characteristics are limited in
the event of an accident, brush guard are not
intended to prevent injury or damage in the
event of an accident. Also observe state and
local regulations on installation and use.
Raise and lower the brush guard in an open
space with plenty of room. Example: G 55 AMG with brush guard
!
Only drive

when the brush guard is folded
up and locked.
Only fold down the brush guard to replace
a bulb, for example.
17 USA only. Features
203
Stowing and features Z