light MERCEDES-BENZ M-CLASS SUV 2011 Service Manual

i
If th ebattery voltage is too low, the seat
heating may switch off. Driver's and front-passenger seat
Rear-compartment seats
The system automaticall
yswitches down
from level 3to level 2after approximately
eight minutes.
The system automaticall yswitches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 35 minutes after it is set to
level 1.
X Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button:repeatedly
until the desire dheatin glevel is set.
X To switch off: press button:repeatedly
until all the indicator lam psgo out. Problems with th
eseat heating The seat heating has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumer sare switched
on.
X Switch off electrica lconsumers that you do
not need, such as the rea rwindow heating
or interior lighting. Switching the seat ventilation on/off
Activating/deactivating The three blu
eindicato rlamps in the buttons
indicate the ventilation level you have selec-
ted.
i If the battery voltage is too low, the seat
ventilation may switch off. X
Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button:repeatedly
until the desire dventilation level is set.
i You can open the side windows and the
sliding sunroof using the "Convenience
opening" featur e(Ypage 84). The seat ven-
tilation of the driver' sseat automatically
switches to the highest level.
X To switc hoff:press button :repeatedly
until all th eindicato rlamps go out. Seats
97Seats,steeri ngwheel and mirrors Z

Problems wit
hthe seat ventilation Th
es eat ven tilation has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumer sare switched
on.
X Switch off electrica lconsumers which you
do not need, such as the rea rwindow heat-
ing or interior lighting. Steering wheel
Important safet
ynotes G
WARNING
The electrically adjustable steering wheel can
still be adjusted when there is no key in the
ignition lock. Therefore, do not leave children
unsupervised in the vehicle, as they could
become trapped if the steering wheel is adjus-
ted. G
WARNING
Only adjust the steering wheel when the vehi-
cle is stationar yand do not pull away until the
steering wheel adjustment mechanis mis
locked in position. You might otherwise drive
without the steering wheel adjustment mech-
anism being locked in position. As aresult,
you could be distracted from road and traffic
condition sbyanunintentional movement of
the steering wheel and thereby cause an acci-
dent.
However, the steerability of the vehicl eisnot
affected. Adjusting th
esteerin gwheel man-
ually :
Release lever
; To adjus tthe steering wheel height
= To adjust the steering wheel position
(fore-and-af tadjustment)
X Push release lever :down completely.
The steerin gcolum nisu nlocked.
X Adjus tthe steering wheel to the desired
position.
X Push release lever :up completely.
The steering column is locked.
X Chec kifthe steering column is locked.
When doing so, tr ytopush the steering
wheel up or down or try to move it in the
fore-and-aft direction. Adjusting the steering wheel electri-
cally
:
To adjust the steering wheel height
; To adjust the steering wheel position
(fore-and-aft adjustment) 98
Steering wheelSeats, steerin
gwhee land mirrors

i
Related topics:
R EASY-ENTRY/EXI Tfeature
(Y page 99)
R Storing setting s(Ypage 103) Steering whee
lheating
Activating/deactivating X
Mak esuret hat the key is in position 2in
th ei gnition lock.
X To switch on/off: turnthe lever in the
direction of arrow :or;.
Indicato rlamp =lights up or goes out.
Vehicles without KEYLESS-GO: when you
remove the key from the ignition ,the steering
wheel heating is switched off.
Vehicles with KEYL ESS-GO:when you switch
off the ignition and open the driver's door, the
steering wheel heating is switched off.
Problems wit hthe steering whee lheat-
ing The steering wheel heating has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumer sare
switche don.
X Switch off electrical consumers which you
do not need ,such as the rear window heat-
ing or interior lighting. EASY-ENTRY/EXIT featu
re
Important safety notes The EASY-ENTRY/EXI
Tfeatur emakes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board com-
puter (Y page 251). G
WARNING
Make sure that nobody can become trapped
when you activate the EASY-ENTRY/EXI Tfea-
ture.
If there is arisk of someone becoming trap-
ped, stop the adjustment procedure. To halt
the procedure:
R press the steering column adjustment but-
ton.
R briefly press one of the memor yfunction
position buttons.
The steering column stops moving immedi-
ately.
Do not keep the memory function position
button presse ddown, otherwise the memory
function will star tand the steering wheel and
sea twill begin to move.
Never leave children unsupervised in the vehi-
cle. They could open the driver's door and
thereby unintentionally activate the EASY-
ENTRY featur eand become trapped.
Positio nofthe steering whee lwhen the
EAS Y-ENTRY/EXIT featur eisactive The steerin
gwheel tilt supwards if you:
R remove the key from the ignition lock
R open the driver' sdoor and KEYLESS -GOis
in position 1
R open the driver's door and the key is in
position 0or 1in the ignition lock
i The steerin gwheel only moves upwards if
it has not already reached the upper end
stop. Steering wheel
99Seats,steering wheeland mirror s Z

X
Make sur ethat the key is in position 1or
2 in the ignition lock.
X Press button :for the left-hand exterior
mirror or button ;for the right-hand exte-
rior mirror.
The indicator lam pint he corresponding
button lights up in red.
The indicator lam pgoes out again after
some time. You can adjust the selected
mirror using adjustment button =as long
as the indicator lam pislit.
X Press adjustment button =up, down, to
the right or to the left until the exterior mir-
ror is set to aposition that provides you
with agood overview of traffic conditions.
Folding th eexterior mir rors in or out
electrically X
Make sure that the key is in position 1or
2 in the ignitio nlock.
X Briefl ypres sbutton :.
Both exterior mirrors fold in or out. i
Make sure that the exterior mirrors are
always folded out fully while the vehicle is
in motion, as they may otherwis evibrate.
Setting the exterior mirrors If the battery has been disconnected or com-
pletely discharged, the exterior mirrors must
be reset. The exterior mirrors will otherwise
not fold in when you select the "Fold in mir-
rors when locking" func tion in the on-board
computer (Y page 251).
X Make sure that the key is in position 1in
the ignition lock.
X Briefl ypres sbutton :.
Folding the exterior mirrors in or out
automatically If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Y page 251):
R the exterior mirrors fold in automatically as
soo nasyou lock the vehicle from the out-
side.
R the exterior mirror sfold out again automat-
ically as soon as you unloc kthe vehicle and
then open the driver's or front-passenger
door.
i The mirrors do not fol dout if they have
been folded in manually.
Exterior mirror out of position If an exterior mirror has been pushed out of
position, proceed as follows:
X Vehicles without electrically folding
exterior mirrors: move the exterior mirror
into the correct position manually.
X Vehicles with electrically folding exte-
rior mirrors: press and hold the mirror-
folding button (Y page 101)until you hear
the mirror engage in position.
The mirror housing is engaged agai nand
you can adjus tthe exterior mirrors as usual
(Y page 100). Mir
rors
101Seats ,steeri ngwheel and mirrors Z

Automati
canti-dazzle mirrors G
WA
RNING
If inciden tlight fro mheadlamps is prevented
from striking the sensor in the rear-view mir-
ror ,for instance, by luggage piled too high in
the vehicle, the mirror's automatic anti-dazzle
fun ction will not operate.
Incident light could then blind you. This may
distrac tyou from the traffic condition sand,
as aresult, you may cause an accident.
The rear-view mirror and the exterior mirror
on the driver' sside automatically go into anti-
dazzle mode if the ignition is switched on and
inciden tlight from headlamps strikes the sen-
sor in the rear-view mirror.
The mirror sdonot go int oanti-dazzle mode if
reverse gea risengaged or if the interior light-
ing is switched on. Parking position for the exterior mir-
ror on the front-passenge rside
Setting and storing the parking position You can position the front-passenger side
exterior mirror in such away that you can see
the rear wheel on that side as soon as you
engage revers egear. You can stor ethis posi-
tion. X
Make sur ethat the vehicle is stationary and
that the key is in position 2in the ignition
lock.
X Engage revers egear.
The exterior mirror on the front-passenger
side moves to the preset parkin gposition.
X Use adjustment button =to adjust the
exterior mirror to aposition that allows you
to see the rea rwheel and the kerb.
The parkin gposition is stored.
i If you shift the transmission to anot her
po sition ,the exterior mirror on the front-
passenger side retur nsto the driving posi-
tion.
i You can also store the parking position
using memory button M?.
X Make sure that the key is in position
2in the ignitio nlock.
X With the exterior mirror on the front-
passenger side activa ted, use adjust-
ment button =to adjust the exterior
mirror to aposition which allows you
to see the rea rwheel and the kerb.
X Press memory button M? and one of
the arrow sonadjustment button =
within three seconds.
The parkin gposition is stored if the
exterior mirror does not move.
If the mirror moves out of position ,repeat
the steps.
Calling up astore dparkin gposition set-
ting X
Turn the key to position 2in the ignition
lock.
X Adjus tthe exterior mirror on the front-
passenger side with the correspondin gbut-
ton (Y page 100).
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the stored parking position. 102
MirrorsSeats, steerin
gwhee land mirrors

Usefu
linfor mation ............................ 106
Exterior lighting ................................ 106
Interior lighting ................................. 112
Changing bulbs ................................. 113
Windscreen wipers ...........................116 105Lights
and windscreen wipers

Usefu
linfor mati on
i This Owner's Manual describes all models
and all standard and optional equipment
available to your vehicle at the time of pub-
lication of the Owner's Manual. Country-
specific deviation sare possible .Please
not ethat your vehicle ma ynot be equipped
with all featur es described. This also
applies to safety-releva ntsystems and
functions.
i Please read the information on qualified
specialist workshops (Y page 24).Exterior lighting
Important safet
ynotes
Fo rreasons of safety, Mercedes-Ben zrecom-
mends that you driv ewith the lights switched
on even during the daytime. In some coun-
tries, operation of the headlamps varies due
to legal requirement sand self-imposed obli-
gations. Notes on driving abroad
Convert to symmetrical dipped beam
when driving abroad: switch the headlamps
to symmetrical dipped beam in countries in
which traffic drives on the opposite sid eofthe
roa dtot he country wher ethe vehicle is reg-
istered. This prevents glar etooncoming traf-
fic. Symmetrical lights do not illuminate as
large an area of the edg eofthe carriageway.
Convert the headlamps as close to the border
as possible before drivin ginthese countries
(Y page 24 7).
Convert to asymmetrical dipped beam
after returning: convert the headlamps back
to asymmetrical dipped beam as soon as pos-
sible after crossing the border when returning
(Y page 247).
If the headlamps are converted to symmetri-
cal dipped beam, the "motorway mode" and "extended range foglamps" function
s(Intelli-
gent Light Syste m)are not available. Light switch
Operation 1W
Left-hand parkin glamps
2X Right-hand parkin glamps
3T Side lamps, licenc eplate and instru-
ment cluster lighting
4Ã Automatic headlamp mode/daytime
drivinglights
5L Dipped-beam/main-beam head-
lamps
BR Rear foglamp
The turn signals, main-beam headlamps and
the headlamp flasher are operated using the
combination switch (Y page 108).
! If the batter yhas been excessively dis-
charged, the side lamps or parkin glamps
are automatically switched off to enable
the nex tengine start. Alway sparky our
vehicl esafely and sufficiently li taccording
to lega lstandards. Avoi dthe contin uous
us eoft heT sidelam ps for several
hours. If possible, switch on the Xright
or the Wleft parking lamp.
The exter iorl igh ting (except the sid elam ps/
parking lamps )switches off automaticall yif
you:
R remove the key from the ignitio nlock
R ope nthe driver's door with the key in posi-
tion 0 106
Exterior lightingLights and windscreen wipers

If yo
uhear awarning tone when you leave the
vehicle ,the lights ma ystill be switched on.
X Turn the ligh tswitc htoà .
Dipped-beam headlamps X
To switch on th edipped-bea mhead-
lamps: turnthe ke yinthe ignition lock to
po sition 2or star tthe engine.
X Tur nthe li ght switch to L.
The L indicator lam pinthe instrument
clus terlight sup.
Day time driving lights You can activat
eordeactiva tethe daytime
driving ligh tsfunctio nusingthe on-board
compute r(Ypage 247).
X Day time drivin glights: activat ethe day-
ti me driving light sfunction using the on-
board computer.
X Turn the light switch to Ã.
When the engine is on: depe nding on the
ambien tlight conditions, the daytime driv-
ing lights or the parking and dipped-beam
headlamps are switched on.
When the dipped-beam headlamps are
switched on, the Lindicator lamp in the
instrumen tcluster lights up.
Automatic headlam pmode X
To switch on automatic headlamp
mode: turnthe light switc htoÃ.
Key in position 1in th eignition lock :the
side lamps ar eswitched on or off automat-
ically depending on the brightness of the
ambien tlight.
With the engin erunning: depe nding on the
brightness of the ambien tlight, the daytime
drivin glights 6
or the dipped-beam head-
lamps are switched on or off automatically.
When the dipped-beam headlamps are
switched on, the Lindicator lamp in the
instrumen tcluster lights up. G
WAR
NING
If the ligh tswitc hiss et to Ã,t he dipped-
beam headlamps will not com eonautomati-
cally if it is foggy. This could endanger you and
others. Therefore, tur nthe light switc hto
Lin fog.
The automatic headlamp featur eisonly an
aid. The driver is responsible for the vehicle's
lighting at all times.
Rear foglamp X
To switc honthe rear foglamp: turn the
key in th eignition lock to position 2or start
the engine.
X Tur nthe light switc htoLorÃ.
X Press the Rbutton.
The yellow Rindicator lam pint he
instrumen tcluster lights up.
X To switch off th erear foglamp: press the
R button.
The yellow Rindicator lamp in the
inst rument cluster goes out.
i If you switch the engine off (ke yinposi-
tion 1in the ignition lock )and then restart
it, the previous rear fogla mpsettings are
restored.
Rea rfoglamp X
To switch on th erearfoglamp: turnthe
key in the igni tion lock to position 2or start
the engine.
X Tur nthe light switc htoLorÃ.
X Press the Rbutton.
The yellow Rindicator lam pinthe
instrumen tcluster lights up.
X To switch off th erear foglamp: press the
R button.
The yellow Rindicator lamp in the
inst rument cluster goes out.
i If you switch the engine off (ke yinposi-
tion 1in the ignition lock )and then restart
6 Only if daytime driving ligh tshave been activa tedv ia the on-board computer. Exterior lighting
107Lightsand windscr een wipers Z

it, the previous rear foglam
psettings are
restored.
Adjusting th eheadlam prang e(halog en
headlamps) Th
eh eadlamp range control allow syou to
adjust the con eoflight from the headlamps
to sui tthe vehicle load. Headlam
prange control
g Driver' sseat and front-passenger seat
occupied
1 Driver's seat, front-passenger seat and
rear seats occupied
2 Driver's seat, front-passenger seat and
rear seats occupied and maximu mper-
missible rear axle load utilised when the
vehicle is laden
3 Driver's seat occupied and maximu mper-
missible rear axle load utilised when the
vehicle is laden
X Start the engine.
X Turn headlamp range control to the posi-
tion which corresponds to the load in your
vehicle.
Headla mpcleaning system The headlamps are cleaned automatically if
the "Wipe with washer fluid" fun
ction is oper-
ated ten times while the lights are on and the
engin eisrunning (Y page 116). When you
switc hoff th eignition, the automa tich ead-
lam pcleaning system is reset and counting is
resumed from 0. Combination switch
Tu rn signals :
Main-beam headlamps
; Turnsignal, right
= Headlamp flasher
? Turn signal, left
X To indicate briefly: press the combination
switch briefly to the pressure point in the
direction of arrow ;or?.
The corresponding turn signal flashes three
times.
X To indicate: press the combination switch
beyond the pressure point in the direction
of arrow ;or?.
Main-beam headlamps X
To switch on the main-bea mhead-
lamps: turn the key in the ignition lock to
position 2or start the engine.
X Turn the light switch to LorÃ.
X Press the combination switch beyond the
pressure point in the direction of
arrow :.
In the Ãposition, the main-beam head-
lamps are only switched on when it is dark
and the engine is running. 108
Exterio
rlightingLights and windscreen wipers

The
K indicator lam pint he inst rument
cluster lights up when th emain-beam head-
lamps are switched on.
X To switch off the main-bea mhead-
lamps: move the combination switch back
to its normal position.
The K indicator lamp in the instrument
cluster goes out.
Headlam pflasher X
To switch on: turnthe key in the ignition
lock to position 1or 2or star tthe engine.
X Pull the combina tion switc hinthe direction
of arrow =. Hazard warning lam
psThe hazar
dwarning lamps automatically
switch on if:
R an airbag is deployed.
R the vehicle decelerates rapidly from a
spee dofm ore than 70 km /hand come sto
as tandstill.
X To switc honthe hazard warning lamp s:
press button :.
All turn signal sflash. If you now switc hon
at urns ignal using the combination switch,
only the tur nsignal lamp on the corre-
spondin gside of the vehicle will flash.
X To switch off th ehazard warning
lamps: press but ton:.
The hazar dwarnin glamps switc hoff auto-
matically if th evehicle reaches aspeed of over 10 km/h again after full brak
eapplica-
tion.
i The hazar dwarnin glamps still operat eif
the ignition is switched off. Intelligen
tLight System
Active light function The active light fun
ction is asystem that
moves the headlamps according to the steer-
ing movements of the front wheels. In this
way, relevan tarea sremai nilluminated while
driving. This allows you to recognise pedes-
trians, cyclists and animals.
Active: when the lights are switched on.
Cornering light function The cornering light func
tion improves the illu-
mination of the roa dover awide angle in the
direction you are turning, enabling better vis-
ibility in tight bends, for example. It can only
be activated when the dipped-beam head-
lamps are switched on. Exterior lighting
109Lightsand windsc reenwipers Z