ECU MERCEDES-BENZ M-CLASS SUV 2011 Service Manual

X
Push cover =forwar duntil it is lying on the
rear sea tarmrest. Enlargin
gthe luggag ecompartment
Important safety notes G
WARNING
Do not carr yheavy or hard object sinsid ethe
vehicle or in the luggag ecompartmen tunless
they are secured.
Otherwise, you and othe rvehicle occupants
could be injured by object sbeing thrown
around the vehicle in the event of sharp brak-
ing, asudden change in direction or an acci-
dent.
When using the luggag ecompartment
enlargement, you should always clip in the
safet ynet,ifath and. G
WARNING
Always drive with the tailgat eclosed. Exhaust
fumes could otherwise enter the vehicle inte-
rior. G
WARNING
Do not fold the backrest ont othe folded-down
seat cushi ons.Ift he seat cushi ons arefolded
down, luggage can be thrown over the back-
rest int othe passenger compar tment,e.g.
duri ngheav ybraking ,sudden changes of
direction or in the even tofanaccident.You
coul dcause an accident or cause injury to
yourself and others. !
Fold the seat cushion upwards before
folding the rear benc hseat forward. Other-
wise, the back rests ma ybedamaged.
When the backrest is folded forwards, the
fron tseats can notb em oved to their rear-
most position .Otherwi se,the fr ontseats
and the rea rbenc hseat could be damaged.
The left -hand and right-hand rear seat backr-
ests can be folded forwards separately to
increase the luggag ecompartmen tcapacity.
Folding the rear bench seat forwards i
If the driver' sorfront-passenge rseat is
set for alarger person, it maynot be pos-
sibl etof old the rea rbench seat forwards.
In this case, mov ethe fron tseats as far
forwar daspossible.
X Move the head restraint stothe lowest
position (Y page 95).
X Fold seat cushion :upwards. X
Pull release cat ch; upwards in the direc-
tion of the arrow until the backrest is com-
pletely unlocked. Stowag
eareas
299Stowing andfeatures Z

!
The backrest is heavy .Therefore, exer-
cise car ewhen folding it down. Make sure
that the head restraint sare pushed all the
way in so that th ebackrests and seat cush-
ions are not damaged.
X Fold the backrest forwards until it reaches
the luggage compartment position. X
Guide seat belts ;under respective
clips :.
Folding the rear benc hseat back X
Fold seat backrest ;back until it engages.
X Swin gseat cushion :back.
X Pull up and adjus tthe head restraint sif
necessary (Y page95). G
WARNING
Mak esure that the seat backrest and the seat
cushion are correctly engage dinposition. Securing
aload
Lashing eyelets G
WARNING
Distribut ethe load on thelashing eyelets
evenly.
Otherwise, vehicle occupant scould be
injure dbyo bjectsbein gthrown ar oundify ou:
R bra kesharply
R change directio nsuddenly
R are involved in an accident
Please observ ethe loading guidelines.
Observ ethe following notes on securing
loads:
R secur ethe load using the la shingeyelets.
R do not use elasti cstraps or nets to secure
al oad, as these ar eonly intended as an
anti-slip protection for light loads.
R do not route lashing materials across sharp
edges or corners.
R pad sharp edges for protection.
There are four lashing eyelets in the lugg age
compartment. Before using th elashing eye-
lets on the fron tright-han dside of the luggage
compartment, the luggage net must be
pushed down. :
Lashin geyelets
Ba gh ook G
WARNING
Only hang light loads on the bag holders. Do
not use them to transpor theavy ,sharp-edged 300
Stowage areasStowing and features

or fragile objec
ts.W hen brakin gsharply,
changing direction quickly or in the even tof
an accident ,the bag hooks will not secur ethe
item ssufficiently. This could result in injury to
yourself or others.
! The bag hoo kcan bear amaximum load
of 3k g. Do not use it to secur eaload.
There is abag hook in the luggag ecompart-
men tont he left-hand side. X
Press bag hook marking :.
X Tur nbag hook :until it engages.
Securing hooks Only secure lightweight luggag
eitems (max-
imum 4kg) on the mounti nghooks. There ar
etwo securing hooks :on each side
of the luggage compart ment. Luggag
ecompartment cover
Important safety notes G
WARNING
The luggage compartment cover is not a
restraint system. Secur ethe load unde rthe
luggag ecompart ment cover by suitable
means. Make sure that the luggage compart-
ment cover is engaged securely. If luggage is
not sufficiently secured, it can be thrown over
the backres tinto the passenger compart-
ment, for instance during heavy braking, sud-
den change sofdirection or in the event of an
accident .You coul dcause an accident or
cause injury to yourself and others.
! When loading the vehicle, make sure that
you do not stack the load in the luggage
compartment higher than the lower edge of
the side windows .Donot plac eheavy
object sontop of the luggage compartment
cover.
Al uggage compartment cover or acombined
luggage cover and net (luggage compar tment
cove rwith safety net) is attached, depending
on equipment, behind the rear bench seat
backrest.
Extending and retracting the luggage
compa rtment cover X
To extend: pull the luggage compartment
cover back by grab handle :and clip it
int or etainers ;on the left and right. Stowage areas
301Stowingandfeatur es Z

Safety net in th
ecombined luggage
cover and net
Important safety notes G
WARNING
The safety net cannot secure heavy loads. You
should therefor ealways lash down the load.
You could otherwise be injured by objects
which have not been sufficiently secured
being thrown around in the event of sharp
braking, asudden change of direction or an
accident. G
WARNING
In the event of sharp braking, asudden
change of direction, or an accident, light loads
can be thrown about.
This could result in injury to yourself or others.
Therefore, if you are transporting light loads,
use the safety net.
Attaching the safety net X
Pull the safety net up by tab :and hoo kit
into eyelets ;using both hands. Coat hook
sonthe tailgate G
WARNING
Th et ailgate may close if too great aload is
placed on the coat hooks.
This coul dcause you or others to be trapped
and injured. If you use the coat hooks
,only hang light
clothing on them. Make sure that nobody can
become trapped. :
Coat hooks EASY-PACK load-securing kit
Components and storage Th
eE ASY-PACK load-securing kit allo wsyou
to use your luggag ecompartmen tfor av ariety
of purposes .The accessory parts ar elocated
under the luggage compartment floor.
X Open the luggage compartment floor
(Y page 305). EASY-PACK load-securin
gkit accessory parts
: Bag containing the bracket sand luggage
holder
; Telescopic rod Stowage areas
303Stowingand fe atures Z

Inserting th
ebracket sintot he loading
rail X
Insert bracket :into th ecentr eofl oading
rail ?.
X Press release button ;and push
bracket :intothe desired position in load-
ing rail ?.
X Let go of rel ease button ;.
X Press locking button =.
Bracket :is locked in loading rail ?.
X If necessary, fol dlashin geyelet A
upwards. G
WARNING
Distribute the loa donthe lashing eyelets
evenly.
Otherwise, vehicle occupants could be
injured by objects being thrown around if you:
R brake shar ply
R chang edirection suddenly
R are involved in an accident
Please observe the loading guidelines.
Luggage holder The luggage holder can be use
dtosecure
ligh tloads against the side wall of the luggage
compartment to prev entthem from moving
around.
! Only use the luggage holder to secure
loads with amaximum weight of 7kgand
with dimensions that the luggage holder
can safel yand securely contain. X
To install: insert two brackets Ainto the
left or right loading rail (Y page303).
X Press releas ebutton :of the luggage
holder and pull the strap out slightly.
X Insert luggag eholder ;intob rackets A
and ,while doing so, press release button
= and push the luggage holder downwards
until it engages.
X Press release button :of the luggage
holder and pull the strap out in the direction
of the arrow.
X Plac ethe load between the strap and the
luggage compartment side wall.
X Using one hand, press locking button :of
the luggage holder.
X With your other hand, let the strap go slowly
until the load is secured.
X Make sur ethat locking button ?on brack-
ets Ais pressed.
This keeps brackets Ain plac eonthe
loading rail.
X To remove: press release button =on
respective bracket Aand remove luggage
holder ;by pulling upwards and out.
Telescopic rod The telescopic rod can be used to secure the
load against the rea
rseats to prevent it from
moving around. 304
Stowage areasStowing and features

X
To install: insert one bracket ;into both
the left and the right loading rai lsand slide
it to the desired positio n(Ypage 30 3).
X Insert telescopic rod :into brackets ;
and ,while doing so, press release but-
ton ?and push the rod downwards until it
engages.
X Make sur ethat locking button =on brack-
ets ;is pressed.
This keeps brackets ;in plac eonthe
loading rail.
X To remove: press release button ?on
respe ctive bracket ;and remov etele-
scopic rod :by pullin gitupwards and out. Stowage well unde
rneath the luggage
compartment floor G
WARNING
Never drive with the luggage compar tment
floor open.
Otherwise, you and other vehicle occupants
could be injured by objects being thrown
around the vehicle in the event of sharp brak-
ing, asudden change in direction or an acci-
dent.
Ar emovable inser tunder the luggage com-
partmen tfloor contain sthe par tsof the EASY-
PACK load- securingkit.T IREFIT and th etyre-
change tool kit, etc. are stored beneath this
insert. X
To open: openthe tailgate.
X Holding the ribbing, press handle :down-
wards ;.
Handle :folds upwards.
X Swing the luggage compartment floor
upwards usin ghandle :until it rests
against the luggage compartment cover. X
Fold out hook =on the underside of the
luggage compartment floor in the direction
of the arrow. X
Attach hook =to the luggage compart-
ment' supper seal ?. Stowage areas
305Stowingandfeatures Z

X
To close: detach hook =from the luggage
compartment's uppe rseal ?.
X Fasten hook =to the brac ketont he
underside of the luggage compar tment
floor.
X Fold the luggage compartmen tfloor down.
X Press the luggage compar tment floor
down ;until it engages. Roof car
rier
Important safet ynotes G
WARNING
An incorrectly secured roof carrier, ski rack or
load could become detached from the vehi-
cle. These objects might then be thrown
around and could injur eyou or other sor
caus eana ccident.F ollow the roof carrier /ski
rack manufacturer's installation instructions
and special instructions for use.
The roof load raises the vehicle's centre of
gravity, thereb yaffecting vehicl ehandling.
You must alway sobserv ethe maximum roof
load of 10 0kg. Always adapt your driving style
to the prevailin groad, traffic and weather
condition sand drive with particula rcare if the
roof is laden.
! Mercedes -Benz recommends that you
only use roof carrier sthat hav ebeen tested
and approved for Mercedes-Benz vehicles.
This helps to preven tdamage to the vehi-
cle.
Position the load on the roof carrier in such
aw ay that the vehicle will not sustain dam-
age even when it is in motion.
Depending on the vehicle equipment,
ensure that when the roof carrier is fitted
you can:
R raise the sliding sunroof fully
R open the panorama sliding sunroof fully
R open the tailgate fully Attaching the roof carrier
X
Secure the roof carrier to roof rails :.
X Observe the manufacturer' sinstallation
instructions. Features
Cup holders
Important safety notes G
WARNING
Keep the cup holder closed whil ethe vehicle
is in motion. Otherwise, vehicle occupants
coul dbei njured by object sbeing thrown
around if you:
R brak esharply
R change direction suddenly
R arei nvolved in an accident
Only use the cup holders for container sofa
suitable size and whic hhave lids. The drinks
could otherwise spill.
Cup holders shoul dnot be used for hot drin ks.
You may otherwise scald yourself. G
WARNING
Do not transport any heavy, sharp-edged or
fragile bottles in the stowage compar tments.
In the event of an accident, the stowage com-
partments can notsecur ethe bottles ade-
quately. You and/or other vehicle occupan ts
coul dbei njured.
The stowage compartments in the doors pro-
vide space for bottles up to 1.0 linsize. 306
FeaturesStowin
gand features

The bottles are neither secured nor prevented
from tippin gover. Therefore ,donot plac eany
ope ndrink con tainers in the stowage com-
partments.
Cup holder in the front centre console You can remov
ethe rubber ma tofthe cup
holder to clea nit. Clean them with clean,
lukewarm water only. :
Cup holders
; Cover
X To open: slidecover ;to its foremost
position.
Tem perature-controlled cup holder in
the front centre console G
WARNING
When you use the warming function, the metal
insert of the cup holder is heated. Therefore,
do not touch the cup holder insert. Otherwise,
you might burn yourself.
The tem perature-c ontrolle dcup holde rcan
be used to keep cold drinks cold and hot
drinks hot.
You can remove the rubber mat of the cup
holder to clean it. Clean them with clean,
lukewar mwater only. :
Cup holders
; Residua lheat indicator lamp
= Button
X Tur nthe key to position 2in the ignition
lock.
X To switch on th ecooling function: press
and hold button =until the blue indicator
lamp on the button lights up.
X To switch on the heating function: press
and hold button =until the red indicator
lamp on the button lights up.
X To switch off the function: press and hold
button =until the indicator lamp on the
button goes out.
When the heating func tion is used, residual
heat indicator lamp ;lights up abov eacer-
tain temperature. This mean sthat the metal
inser tofthe cup holder is hot.
Cu ph older in the rear seat armrest !
Do not sit on or support your body weight
on the rear seat armrest when it is folded
down, as you could otherwise damage it. Features
307Stowingandfeatu res Z

Frequencies for th
egarage doo ropener Th
er adio typ eapproval number and th efrequency range for th egarag edoor opener can be
fou ndonthe Interne tat: http://www.mercedes-benz.de/betriebsanleitung. Floormats
G
WARNING
Make sure that there is sufficient clearance
around the pedals when floormats are used,
and that the floormats are properly secured.
The floormats must be correctly secured at all
times using retainer sand press-studs.
Before you drive off ,chec kthe floormats and
secur eifnecessary. Afloormat which is not
properly secured can slip and, thereby, inter-
fere with the movemen tofthe pedals.
Do not plac efloormats on top of one another. Floormat on the driver's side (example)
X
Driver's seat/front-passenger seat:
slide the respective seat back.
X Rear seats: slide the respective seat for-
wards.
X To fit: place the floorma tinthe footwell.
X Press studs :ontoretainers ;.
X To remove: pull the floormat off retain-
ers ;.
X Remov ethe floormat. Infrared reflective windscreen
The infrared reflecting glass prevents the
vehicle interior from becoming too hot. It also blocks radio waves up int
othe gigahertz
range. In orde
rtooperateradio-controlled equip-
ment, e.g. toll recording systems, areas :on
the windscreen are permeable to radio
waves. In these areas, you can install radio-
controlled systems.
Thes earea scan best be seen from outside
the vehicle by observing the light reflected off
the windscreen. Retrofitted anti-glar
efilm
Anti-glar efilm retrofitted to the inside of the
windows can interfer ewith radio/mobile
phone reception. This is particularly the case
for conductive or metallic-coated films. Infor-
mation about anti-glar efilm can be obtained
from any Mercedes-Ben zService Centre. 316
FeaturesStowing and features

Examp
le:e ngine oi lcap
X Turn cap :anti-clockwise and remove it.
X Top up the engine oil.
If the oi llev el is at or belo wthe MIN mark
on the dipstick ,top up with
0. 5to1 .0 litres of engine oil.
X Replace cap :on the fille rneck and turn
clockwise.
Make sure that the cap locks into place
securely.
X Check the oil level agai nwith the oil dip-
stick (Y page 320).
Further information on engine oil
(Y page 375). Checking and adding other service
products
Checking the coolant level Only check the coolant level when the vehicle
is on alevel surface and the engine has cooled
down.
X Turn the key to position 2(Y page 139) in
the ignition lock.
On vehicles with KEYLESS-GO, press the
Start/Stop button twic e(Ypage 139).
X Check the coolant temperatur egauge in
the multifunction displ ay.G
WARNING
Th ec ooling system is pressurised. Therefore,
only unscrew the cap once the engin ehas
cooled down. The coolant temperature gauge must display less than 70
†.Otherwi se,you
could be scalded if ho tcoolant escapes. X
Slowl yturn cap :half aturna nti-clock-
wis eand allo wexcess pressure to escape.
X Turn cap :further anti-clockwis eand
remove it.
If the coolant is at the level of markerbar
= in the filler nec kwhen cold ,ther eis
enough coolan tincoolant expansion
tank ;.
If the coolant leve lisapproximately 1.5 cm
above marker bar =in the filler nec kwhen
warm, ther eisenoughcoolant in coolant
expansion tank ;.
X If necessary ,top up with coolant that has
been tested and approved by Mercedes-
Ben z.
X Replace cap :and turn it clockwise as far
as it will go.
For further information on coolant, see
(Y page 377).
Windscreen washer system and head-
lamp cleanin gsystem Th
ew asher fluid reservoir is used for both the
windscreen washe rsystem and the headlamp
cleaning system.
i Components and service products must
be matched. Mercedes-Benz recommends
that you use products teste dand approved
by Mercedes-Be nz.T hey ar elisted in this
Mercedes-Ben zOwner's Manual in the
appropriat esection. Engine compartment
321Maintenance andcare Z