2012 MERCEDES-BENZ G-Class Owner's Manual

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

Changing the front bulbs
Front fog lamps/cornering lamps with
fog lamp function X
Switch off the lights.
X Remove screws : .
X Remove cover ;. X
Remove screws ? .
i Only remove screws ?. Do not turn
adjustment screw A. If adjustment screw
A is

turned, the front fog lamp adjustment
must be checked at a qualified specialist
workshop.
X Remove headlamp =. X
Hold headlamp =
.
X Lightly press bulb holder B, turn it
counterclockwise to the stop and pull it
out. X
Take bulb C out of bulb holder
B.
X Insert the new bulb into bulb holder B.
X Insert bulb holder B
into
headlamp = and
turn it clockwise to the stop.
X Insert headlamp =.
X Replace and tighten screws ?.
X Position cover ;.
X Replace and tighten screws :.
Turn signals X
Switch off the lights.96
Replacing bulbs
Lights and windshield wipers

G 55 AMG: turn signal with protection grille
X
G 55 AMG: pull protection grille : out of
bracket ; in the direction of the arrow.
X Fold up protection grille :.
! Make sure that the protection grille does
not strike against painted surfaces.
You could otherwise damage the
paintwork. X
Remove screws :.
X Remove lens ;. X
Turn bulb = counterclockwise, applying
slight pressure,
and remove it from the bulb
holder.
X Insert the new bulb into the bulb holder and
turn it clockwise until it engages.
X Install lens ;.
X Replace and tighten screws :.
! Do not fasten the screws too tightly. You
could otherwise damage the lens.
X G 55 AMG: fold down protection grille :
and engage it in bracket ;.
Side marker lamps The bulbs of the front and rear side marker
lamps are changed in the same way.
Front side marker lamp (example)
X
Switch off the lights.
X Remove screws :.
X Remove housing ;. Replacing bulbs
97
Lights and windshield wipers Z

X
Remove dust cover =.
X Push the catch to the side and pull the bulb
holder with the bulb out of housing ;.X
Lightly press bulb ?, turn it counter-
clockwise and pull it out.
X Insert the new bulb and, applying slight
pressure, turn
it clockwise until it engages.
X Insert the bulb holder into housing ;.
X Attach dust cover =.
X Insert housing ;.
X Replace and tighten screws :.
! Do not fasten the screws too tightly. You
could otherwise damage the lens. Changing the rear bulbs
Only G 55 AMG: headlamp protection
grille You must remove the protective grille before
you can change the bulbs in the tail lamps.
G 55 AMG: protective grille X
Unscrew screws ;.
X Swing protective grille : to the right.
! Make sure that the protective grille does
not hit any painted surfaces.
You could otherwise damage the
paintwork.
X After changing the bulbs, swing protective
grille : to the left.
X Tighten screws ;.
Tail lamp X
Switch off the lights.
X Remove screws :.
X Remove lens ;. =
Turn signals
? Brake/tail lamp
A Tail lamp/standing lamp98
Replacing bulbs
Lights and windshield wipers

X
Turn the bulb counterclockwise, applying
slight pressure, and remove it from bulb
holder.
X Insert the new bulb into the bulb holder and
turn it clockwise until it engages.
! When installing the lens, make sure that
the seal is positioned correctly.
X Install lens ;.
X Replace and tighten screws :.
! Do not fasten the screws too tightly. You
could otherwise damage the lens.
X G 55 AMG: secure the protective grille
(Y page 98).
Backup lamp/rear fog lamp Example: rear fog lamp
X
Switch off the lights.
X Remove screws ;.
X Remove lens :. X
Turn bulb = counterclockwise, applying
slight pressure,
and remove it from the bulb
holder.
X Insert the new bulb into the bulb holder and
turn it clockwise until it engages.
X Install lens :.
X Replace and tighten screws ;.
! Do not fasten the screws too tightly. You
could otherwise damage the lens. Windshield wipers
Important safety notes
G
WARNING
The windshield will not longer be wiped
properly if the wiper blades are worn. This
could prevent you from observing the traffic
conditions, thereby causing an accident.
Replace the

wiper blades twice a year, ideally
in spring and fall.
! Do not operate the windshield wipers
when the windshield is dry, as this could
damage the wiper blades. Moreover, dust
that has collected on the windshield/rear
window can scratch the glass if wiping
takes place when the windshield/rear
window is dry.
If it is necessary to switch on the windshield
wipers in dry weather conditions, always
use washer fluid when operating the
windshield wipers.
! If the windshield wipers leave smears on
the windshield/rear window after the
vehicle has been washed in an automatic
car wash, this may be due to wax or other
residue. Clean the windshield/rear window
with washer fluid after an automatic car
wash. Windshield wipers
99
Lights and windshield wipers Z

Switching the windshield wipers on/
off
Combination switch
1
S Continuous wipe, fast
2 ¯ Continuous wipe, slow
3 ° Intermittent wipe/rain sensor
4 $ Windshield wipers off
A í Single wipe/ î To wipe the
windshield using washer fluid
X Turn the SmartKey to position 1 or 2
in the
ignition lock.
X Turn the combination switch to the
corresponding position.
! Intermittent wiping with rain sensor: due
to optical influences and the windshield
becoming dirty in dry weather conditions,
the windshield wipers may be activated
inadvertently. This could then damage the
windshield wiper blades or scratch the
windshield.
For this reason, you should always switch
off the windshield wipers in dry weather.
In the ° position, the appropriate wiping
frequency is set automatically according to
the intensity of the rain.
Intermittent wiping is interrupted if you stop
and open a front door. This protects people
getting into

and out of the vehicle from being
sprayed with water.
Intermittent wiping continues when all doors
are closed and:
R you shift the automatic transmission to
drive position D or reverse gear Ror
R you change the wipe setting on the
combination switch. Switching
the rear window wiper on/
off The rear window wiper comes on
automatically
if

you shift the selector lever to
R while the windshield wipers are on.
X Turn the SmartKey to position 1 or 2
in the
ignition lock.
X To switch on intermittent wiping: push
button :.
Indicator lamp ; lights up.
X To switch off intermittent wiping: push
button : again.
Indicator lamp ; goes out.
X To wipe with washer fluid: push button
= and hold it there until the rear window
is clean.
The rear window is wiped for a further five
seconds after the button is released. Replacing the wiper blades
Important safety notes G
WARNING
For safety reasons, switch off the wipers and
remove the

SmartKey from the starter switch
before replacing a wiper blade. Otherwise, the
wiper motor could suddenly turn on and cause
injury. 100
Windshield wipers
Lights and windshield wipers

!
To avoid damaging the wiper blades,
make sure that you touch only the wiper
arm of the wiper.
! Never open
the hood if a windshield wiper
arm has been folded away from the
windshield.
Never fold a windshield wiper arm without
a wiper blade back onto the windshield/
rear window.
Hold the windshield wiper arm firmly when
you change the wiper blade. If you release
the windshield wiper arm without a wiper
blade and it falls onto the windshield, the
windshield may be damaged by the force of
the impact.
Mercedes-Benz recommends that you have
the wiper blades changed at a qualified
specialist workshop.
Removing the wiper blade X
Remove the SmartKey from the ignition
lock.
X Fold the windshield wiper arm away from
the windshield until it engages.
X Position the wiper blade at right angles. X
Press locking spring :.
X Slide wiper blade = with hinge piece ?
from windshield wiper arm ;.Installing the wiper blade
:
Locking spring
; Windshield wiper arm
= Wiper blade
? Hinge piece
X Slide new wiper blade = with the recess
onto windshield wiper arm ;.
X Engage locking spring : into the end of
the wiper arm.
X Make sure that wiper blade = is seated
correctly.
X Fold windshield wiper arm ; back

onto the
windshield. Problems with the windshield wipers
The windshield wipers are obstructed Leaves or snow, for example, may be
obstructing the windshield wiper movement.
The wiper motor has been deactivated.
X
For safety reasons, you should remove the
SmartKey from the ignition lock.
X Remove the cause of the obstruction.
X Switch the windshield wipers back on.
The windshield wipers are inoperative The windshield wiper drive is malfunctioning.
X
Select another wiper speed on the
combination switch.
X Have the windshield wipers checked at a
qualified specialist workshop. Windshield wipers
101
Lights and windshield wipers Z

102