2011 MERCEDES-BENZ M-CLASS SUV lights

Changing bulbs
Important safety notes
Xenon bulbs If your vehicle is equipped wit
hxenon bulb s,
you ca nrecognise this by th efollowing: the
cone of light from th exenon bulbs moves
from th etop to the bottomand back again
whe nyou star tthe engine. Fo rthis to be
observed ,the lights must be switched on
before startin gthe engine. G
DANGER
Xenon bulb scarry ahigh voltage. You could
get an electric shock and be seriously or even
fatally injured if you touch the electric con-
tacts on xenon bulbs. Therefore, never
remov ethe cover from xenon bulbs.
Do not change xenon bulbs yourself, but have
them replaced at aqualified specialist work-
sho pwhich has the necessar yspecialist
knowledge and tools to carry out the work
required.
Mercedes-Ben zrecom mends that you use a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety or
on safety-related systems must be carried out
at aq ualified specialist workshop.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that thes efunction correctly at all times.
Have the headlamp setting checked regularly.
Other bulbs There are bulbs other than the xenon bulbs
that you cannot replace. Replace only the
bulbs listed (Y page 113). Have the bulbs that
you cannot replace yourself changed at a
qualified specialist workshop.
Mercedes -Benz recommends that you use a
Mercedes-Benz Ser vice Centre for thi spur-
pose .Inp articular, work relevant to safety or
on safety-related systems must be carried out
at aq ualified specialist workshop. If you require assistanc
echangi ngbulbs, con-
sult aqualified 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 servic elife of the bulbs. Always use alint-
free cloth or only touch the base of the bulb
when fitting.
Only use bulbs of the correct type.
If the new bulb still does not light up, consult
aq ualified 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. G
WARNING
Bulbs and lights can become very hot. For this
reason, allow them to cool down before
changin gthem. Otherwise, you coul dburn
yourself when you touch them.
Keep bulbs out of the reach of children. Oth-
er wise ,they could damage them, for example,
and inj uret hemselves.
Never use abulbw hich ha sbeend ropped.
Suc hab ulbm ay explod eand injure you.
Halogen bulb sare pressu rised and could
explode when yo uchange them, especiall yif
the yarever yhot. Yo ushould therefor ewear
eye protec tion and gloves when you are
changing them. Overview of bulb replacement
–bulbs
Yo uc an replace the following bulbs. The
details for the bul btype can be found in the
legend. Changing bulbs
113Lightsand windsc reenwipers Z

Halogen he
adlamps
: Dipped-bea mheadlamp: H7 55 W
; Main-beam headlamp: H7 55 W
= Side lamp/parkin glamp: W5WBV Tail lamps
:
Brak elamp: P21W -L Changing the front bulbs
Fitting/removing the cover on the front
wheel arch You must remove the cover from the front
wheel housing before you can chang ethe
fron tbulbs. X
To remove: switchoff the lights.
X Turn the front wheels inwards.
X Slide cover :up and remove it.
X To fit: insert cover :again and slide it
down until it engages.
Dipped-beam headlamps (halogen
headlamps) X
Remove the cover in the front wheel arch
(Y page 114).
X Turn housing cover :anti-clockwise and
pull it out.
X Turn bulb holder ;anti-clockwise and pull
it out.
X Take the bulb out of bulb holder ;.
X Insert the new bulb into bulb holder ;.
X Insert bulb holder ;into the lamp and turn
it clockwise.
X Align housing cover :and turn it clock-
wise until it engages.
X Replace the cover in the front wheel arch
(Y page 114). 114
Changin
gbulbsLight sand windscreen wipers

Main-beam headlamps (hal
ogen head-
lamps) X
Switch off the lights.
X Open the bonnet.
X Turn housing cover :anti-clockwis eand
pul lito ut.
X Pul llever =upwards and remove bulb
holder ;.
X Take the bulb out of bulb holder ;.
X Insert the new bulb into bulb holder ;.
X Simultaneously press bulb holder ;and
pull lever =downwards.
X Align housing cover :and tur nitclock-
wis euntil it enga ges.
Side lamps/parking lamps (halogen
headlamps) X
Tur nhousing cover :anti-clockwise and
pull it out.
X Pull out bulb holder ;.
X Take the bulb out of bulb holder ;.X
Insert the new bulb int obulbh older ;.
X Insert bulb holder ;.
X Align housing cover :and tur nitclock-
wis euntil it enga ges. Changing th
erear bulbs
Opening and closin gthe serv icef lap You must open the service flap in the luggage
compartm entb efor eyou can change the
bulbs in the tail lamps. Left-hand service flap
Right-han
dservice flap
X To open: release servic eflap :at the top,
e.g. with ascrewdriver, and swing it do wn-
ward in the direction of the arrow.
X Right side :remov ethe first-ai dkit before-
hand and pull the luggage net down.
X To close: reinsertservice flap :. Changing bulbs
115Lightsand windscreen wipers Z

Brake lamp
X
Switch off the lights.
X Ope nthe luggage compartment.
X Open the service fla p(Ypage 115). :
Brake lamp
X Turn the bulb holder anti-clockwise and
remove it.
X Remov ethe bulb from the bulb holder.
X Insert the new bulb int othe bulb holder.
X Insert the bulb holder and tur nitclockwise.
X Close the servic eflap (Y page 115). Windscreen wipers
Switching the windscreen wipers on/
off G
WARNING
The windscreen will not longer be wiped prop-
erly if the wiper blades are worn. This could
preven tyou from observing the traffic condi-
tions, thereby causing an accident .Replace
the wiper blades twic eayear, ideally in spring
and autumn.
! Do not operate the windscreen wipers
when the windscreen is dry, as this could
damage the wiper blades. Moreover ,dust
that has collected on the windscreen can
scratc hthe glass if wipin gtakes place when
the windscreen is dry. !
If the windscreen wipers leave smears on
the windscreen after the vehicle has been
washe dinana utomatic car wash, this may
be due to wax or other residue. Clea nthe
windscreen with washer fluid after an auto-
matic car wash. Combination switch
1
$ Windscreen wiper soff
2 Ä Intermittent wipe, low 7
3 Å Intermittent wipe, high 8
4 ° Continuous wipe, slow
5 ¯ Continuous wipe, fast
B í Single wipe
C î To wip ewith washer fluid
X Turn the key to position 1or 2in the ignition
lock.
X Turn the combination switch to the appro-
priate position or press the button on the
side.
! Intermittent wiping with rain sensor: due
to optical influences and the windscreen
becoming dirty in dry weather conditions,
the windscreen wipers may be activated
inadvertently. This could damage the wind-
screen wiper blades or scratc hthe wind-
screen.
For this reason, you should always switch
off the windscreen wiper sind ry weather.
In the ÄorÅ position, th eappropriate
wiping frequenc yisset automatically accord-
ing to the intensity of the rain. In the Å
7 Rain sensor set to low sensitivity.
8 Rain sensor set to high sensitivity. 116
Windscreen wipersLights and windscreen wipers

position
,the rain senso rismore sensitive
than in the Äposition ,causing the wind-
screen wiper to wipe more frequently. Switching the rear window wiper on/
off Combination switch
:
è Rear window wiper switch
2 b To wipe with washe rfluid
3 ° To switch on intermittent wiping
4 e To switch off intermittent wiping
5 b To wipe with washer fluid
X Turn the key to position 1or 2in the ignition
lock.
X Slide switch :on the combination switch
up or down to the appropriate position.
When the rear window wiper is switched on,
the icon appears in the instrument cluster. Replacing the wiper blades
Import ants afety notes G
WARNING
Th ew iper arm scould star tmovin gand cause
an injury if you leave the windscreen wipers
switched on.
Remove the key from the ignition lock before
replacing the wipe rblades.
! To avoid damaging the windscreen wiper
blades, make sure that you touch only the
wiper arm of the windscreen wiper. !
Never open the bonnet if awindscreen
wiper arm has been folded away from the
windscreen.
Never fold awindscreen wiper arm without
aw iper blade back onto the windscreen/
rear window.
Hold the windscreen wiper arm firmly when
you change the wiper blade .Ifyou release
the windscreen wiper ar mwithout awiper
blade and it falls ont othe windscreen ,the
windscreen ma ybedamaged by the force
of the impact.
Mercedes-Benz recommends that you have
the wiper blades replaced by aqualified
specialist workshop, e.g. at aMercedes-
Ben zServic eCentre.
Replacin gthe windscreen wiper blades Removin
gthe wiper blades
X Remov ethe key fro mtheignition lock.
X Fold th ewiper arm away from th ewind-
screen. X
Firmly press release knob :and pull the
wiper blade upward sfromt he wi per arm in
the direction of the arrow. Windscreen wipers
117Lightsand windscr een wipers Z

Fitting th
ewiper blades
X Positio nthe new wiper blade in the retainer
on the wiper ar mand slide it into place in
the opposite direction to the arrow.
The wipe rblade audibly engages.
X Make sure that wiper blade is seated cor-
rectly.
X Fold the wiper arm back onto the wind-
screen.
Replacing the rear window wiper blade Removing the wiper blade
G
WARNING
The wiper arm could be set in motion and
injur eyou if the windscreen wiper sare
switched on.
Remove th ekey from the ignition lock before
replacing the wiper blade. X
Remov ethe key from the ignition lock.
X Fold wiper arm :away from the rea rwin-
dow until it engages.
X Position wiper blade ;atar ight angle to
wiper arm :.
X Hold wiper arm :and press wiper
blade ;in the direction of the arrow until
it releases.
X Remove wiper blade ;. Fitting the wiper blade
X
Place new wiper blade ;onto wiper
arm :.
X Hold wiper arm :and press wiper
blade ;in the opposite direction to the
arrow until it engages.
X Make sure that wiper blade ;is seated
correctly.
X Position wiper blade ;parallel to wiper
arm :.
X Fold wiper arm :back onto the rear win-
dow. Problems with the windscreen wipers
The windscreen wipers are obstructed Leaves or snow, for example, may be
obstructing the windscreen wiper movement.
The wiper motor has been deactivated.
X
For safety reasons, you should remov ethe
key from the ignition lock.
or
X Switc hoff th eengine using the Start/Stop
butto nand ope nthe driver's door.
X Remove the cause of the obstruction.
X Switc hthe windscreen wiper sback on.
The windscreen wipers are inoperative The windscreen wiper drive is malfunctioning.
X
Select another wiper spee donthe combi-
nation switch.
X Hav ethe windscreen wiper schecked at a
qualified specialist workshop.
Th es pra ynozzles are misaligned The windscreen washer fluid from the spray
nozzles no longer hits the centre of the wind-
screen. The spray nozzles are misaligned.
X Have the spray nozzles adjusted at aquali-
fied specialist workshop. 118
Windscreen wipersLights and windscreen wipers

Q
Switche srear-com partment climate contro lon/of f(Y page 124)
R Reduces the airflow (Y page 127)Notes on using THERMOTRONIC auto-
matic climat econtrol
The following contains notes and recommen-
dations on optimum operation of
THERMO TRONIC automatic climate contro l.
R Activate climate control using the Ãand
¿ buttons .The indicator lamps in the
à and¿ buttons light up.
R In automatic mode, you can also use the
ñ button to set aclimate mode
(FOCUS/MEDIUM/DIFFUSE). The
MEDIU Mlevel is rec ommended.
R Set th etemperature to 22 †.
R Only use the demisting function briefly,
unt ilthe windscreen is clear again.
R Only us ethe air-recircu lation mod ebriefly,
e.g .ift here ar eunpleasant outsid eodours
or when in atunnel. The window scould
otherwise mist up as ,inair-recirculation
mode, no fresh air is drawn int othe vehicle.
R Use the ZON Efunction to adopt the tem-
perature settings on the driver' sside for
the front-passenger side and the rear com-
partment as well. The indicator lamp in the
á button goes out.
R Use the residual heat function if you want
to heat or ventilate the vehicle interior
when the ignition is switched off. The resid-
ual heat function can only be activated or
deactivated with the ignition switched off. Operating the climat
econtrol system Switching climat
econtrol on/off
Importan tinfor mation i
Whe nclimate contro lisswitched off, the
air supply and air circulation are also
switched off. Only select this setting briefly. Otherwise, the windows may mist
up.
i Switc honc limatecontr ol primaril yusing
the à button( Ypage 12 5).
In th erear compartmen t,you can also switch
climat econtr olon and off using the Ãand
^ buttons.
Switching on/off X
Tur nthe key to position 2in the igni tion
lock.
X To switch on: press theÃbutton.
The indicator lam pintheà button lights
up. Air flow and air distribution ar eset to
automatic mode.
or
X Press button ^.
The indicator lam pinthe^ button goes
out. The previously selec teds ettings come
int oe ffect again.
X To switch off: press the^button.
Th eindicator lamp in the ^button lights
up. Activating/deactiv
ating the cooling
with air deh umidification function
Importan tinfor mation The cooling with air dehumidification function
is only availabl
ewhen the engin eisrunning.
The air inside the vehicle is cooled and dehu-
midified according to the temperature selec-
ted. G
WARNING
If the "cooling with air dehumidification" func-
tion is deactivated, the air inside the vehicle
will not be cooled (during warm weather) or
dehumidified. The windows could mist up 124
Operating th
eclimat econtrol systemClimat econtrol

more quickly
.This ma yprevent you from
observing th etraffic conditions, thereby caus-
ing an accident.
Condensation may dri pfrom th eunders ideof
the vehicl ewhen cooling mode is active .This
is norma land not asign that there is amal-
function.
i The cooling with air dehumidification
function uses refrigerant R134a. This cool-
ant does not contain chlorofluorocarbons,
and therefore does not damage the ozone
layer.
Switching on/off X
To activate: press the¿/Á button.
The indicator lamp in the ¿/Ábut-
ton lights up.
X To deactivate: press the¿/Á but-
ton.
The indicator lamp in the ¿/Ábut-
ton goes out. The cooling with air dehumid-
ification function has adelayed switch-off
feature.
Problems with the cooling with air
dehumidification function When you press the
¿/Ábutton ,the
indicator lam pint he button fla shes three
times or remains off .You can no longer switch
on the cooling with air dehumidification func-
tion.
X Consult aqualified specialist worksho p.Setting climat
econt rol to automatic
mode
In automatic mode, the set temperature is
maintained automatically at aconstant leve l.
The system automatically regulates the tem-
peratur eofthe dispensed air ,the airflow and
the air distribution.
Automatic mode will achi eveo ptimal opera-
tion if cooling with air dehumidification is also activated
.Ifdesired, coolin gwith air dehu-
midification can be deactiva ted.
In the rear compartment ,you can also switch
climate control for the rea rseats to automatic
mode using the Ãbutton.
X Turn the key to position 2in the ignition
lock.
X Set the desired temperature.
X To activate: press theÃbutton.
The indicator lam pintheà button lights
up. Automati cair distribution and airflow
are activated.
i THERMOTRONIC automatic climate con-
trol: when automatic mode is activated, you
can select aclimate mode setting
(Y page 125).
X To switch off: press the_button.
or
X Press the IorK button.
The indicator lamp in the Ãbutton goes
out. Setting the climat
emode
This function is only available with the
THERMOTRONIC automatic climat econtrol.
The climate control settings ar eespecially
effectiv eathigh temperatures.
You can select the following climat econtrol
settings in automatic mode:
FOCU Shigh airflow that is set slightly
cooler
MEDIU Mmedium airflow, standard setting
DI FFUS Elow airflow that is set slightly
warmer and with alower rate of
airflow
X Tur nthe key to position 2in the ignition
lock.
X Press the Ãbutton.
X Press the ñbutton repeatedly until the
desired climate mode appears in the dis-
play. Operating th
eclimat econtrol system
125Climate control Z