2012 MERCEDES-BENZ G-Class high beam

you cannot replace yourself changed at a
qualified specialist workshop.
If you require assistance changing bulbs,
consult a qualified specialist workshop.
Do
not
touch the glass tube of new bulbs with
your bare hands. Even minor contamination
can burn into the glass surface and reduce
the service life of the bulbs. Always use a lint-
free cloth or only touch the base of the bulb
when installing.
Only use bulbs of the correct type.
If the new bulb still does not light up, consult
a qualified specialist workshop.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times.
Have the headlamp setting checked regularly.
Before changing bulbs Have the following bulbs changed at a
qualified specialist workshop.
R
additional turn signals in the exterior
mirrors
R high-mounted brake lamp
R high-beam/low-beam headlamps (Xenon
bulbs)
R parking lamp/standing lamp
R license plate lamp
i Individual segments of the license plate
lamp LEDs may fail without a display
message appearing in the multifunction
display. Check the license plate lamp
regularly. Consult a qualified specialist
workshop if necessary.
You can replace the following bulbs:
R fog lamp/cornering light with fog lamp
function
R turn signal lamp (front)
R brake/tail lamp
R turn signal lamp (rear)
R tail lamp/standing lamp R
backup lamp
R rear fog lamp
R side marker lamp Overview: changing bulbs/bulb types
Front bulbs :
Turn signal lamp: 1156 NA
; Side marker lamp: T 4 W
= Cornering light function with fog lamp
function: H11 55 W
Rear bulbs :
Side marker lamp: T 4 W
; Tail lamps:
Turn signal lamp: PY 21 W
Brake lamp/tail lamp: P 21/5 W
Tail lamp/standing lamp: W 5 W
= Backup lamp: P 21 W
? License plate lamp: LEDs 3
A Rear fog lamp: P 21 W
3 Have these bulbs changed at a qualified specialist workshop only. Replacing bulbs
95
Lights and windshield wipers Z

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