display MERCEDES-BENZ M-CLASS SUV 2011 Owners Manual

Problem Possible causes/consequences and
M Solutions
֌
The yellow ESP
®
and
ESP ®
OFF warning
lamps ar elit while the
engine is running. G
Risk of accident
ESP ®
,B AS ,BAS PLUS, PRE-SAFE ®
,P RE-SAFE ®
Brake, the HOLD
function, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilisatio nare not availabl edue to amalfunction .ESP ®
will not
stabilise the vehicl eifitstarts to skid or if awheel starts to spin.
The brake system con tinues to function normally, but without the
functions listed above.
ATTENTION ASSIST is deactivated.
X Observe the additional displa ymessages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. ֌
The yellow ESP
®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. G
Risk of accident
ESP ®
,B AS ,PRE-SAFE ®
,t he HOL Dfunction, hill start assis tand
ESP ®
trailer stabilisation are temporarily not available.
The adaptive brake lights ,BAS PLUS and PRE-SAFE ®
Brake may
also have failed.
ESP ®
will not stabilis ethe vehicle if it starts to skid or if awheel
starts to spin.
Self-diagnosis is not yet complete.
The brake system con tinues to function normally, but without the
functions listed above .The wheels could therefor elock if you
brake hard ,for example.
ATTENTIO NASSIST is deactivated.
X Carefully drive on asuitable stretc hofroad, makin gslight steer-
ing movements, at aspeed above 20 km/h.
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. Warnin
gand indicator lam psin the instru ment cluster
289On-boardcomput er anddisplays Z

Problem Possible causes/consequences and
M Solutions
!
The red indicator lamp
for the electric parking
brake flashes and/or
the yellow warning
lam pfor the electric
parkin gbrake lights up. Th
ee lectric parkin gbrake is temporaril ymalfunctioning or is
defective.
X Observe the additional display message sint he multifunc tion
display. 6
The red SRS warning
lam
pisl it while the
engine is running. G
Risk of injury
The restrain tsystems are malfunctioning. The airbags or belt ten-
sioners may eithe rbetriggered unintentionall yor, in th eevent of
an accident, may not be triggered at all.
X Drive on carefully.
X Visit aqualified specialist worksho pimmediately. Engine
Problem Possible causes/consequences and
M Solutions
;
Th
ey ellow engine diag-
nostic swarning lamp
lights up while the
engine is running. There may be
afault, for example:
R in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system (for vehicles with petrol engines)
R in the fuel system
The emissio nlimit values may be exceeded and the engine may
be running in emergenc ymode.
X Hav ethe vehicle chec kedass oon as possible at aqualified
specialist workshop. Vehicles with
adiesel engine: the fuel tank has been run dry
(Y page 156).
X Star tthe engin ethree to fou rtimes after refuelling.
If the yellow engine diagnostics warnin glamp goes out, emer-
gency running mode is cancelled. The vehicle need not be
checked. 290
Warnin
gand indicator lam psin the instru ment clusterOn-board computer and displays

Problem Possible causes/consequences and
M Solutions
8
The yellow reserve fuel
warnin glamp lights up
while the engine is run-
ning. The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated when the fuel level
drops into the reserve range.
X Refuel at the nearest filling station. ?
The red coolant warn-
ing lamp lights up while
the engine is running
and the coolant tem-
perature gauge is at the
start of the scale.
The temperature senso
rfor the coolant temperatur egauge is
faulty.
The coolant temperature is no longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
X Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine. Do not continue driving
under any circumstances.
X Apply the electric parking brake.
X Consult aqualified specialist workshop. Warnin
gand indicator lam psin the instru ment cluster
291On-boardcomput er anddisplay s Z

Problem Possible causes/consequences and
M Solutions
?
The red coolant warn-
ing lam
pcomes on
while the engin eisrun-
ning. The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator
may be blocked or the electric engine radiator fan may be mal-
functioning.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
X Observe the additional display messages in the multifunction
display.
X Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X Let the engine and coolant cool down.
X Check the coolant level and top up the coolant (Y page 321).
Observe the warning notes as you do so.
X If you have to top up the coolant frequently, have the engine
cooling system checked.
X Make sure that the air suppl ytot he engin eradiator is not
blocked, e.g. by frozen slush.
X If the coolant temperature is less than 120 †, you can continue
driving to the nearest qualified specialis tworkshop.
X Avoid heav yloads on the engin easyou do so, e.g. driving on
mountain roads and stop-star ttraffic. ?
Th
er ed coolan twarn-
ing lamp comes on
while the engine is run-
ning. Awarning tone
also sounds. The coolant temperature has exceeded 120 †. The airflow to the
engine radiator may be blocked or the coolant level may be too
low.
The engine is not being cooled sufficiently and may be damaged.
X Observe the additional display message sint he multifunc tion
display.
X Stop the vehicle immediately, paying attention to roa dand traf-
fic conditions, and switch off the engine.
X Let the engine and coolant cool down.
X Check the coolant level and top up the coolant (Y page321).
Observe the warning notes as you do so.
X If you have to top up the coolan tfrequently, have th eengine
cooling system checked.
X Make sure that the air supply to the engine radiato risnot
blocked, e.g. by frozen slush.
X If the coolant temperatur eisless than 12 0†,you can con tinue
driving to the neares tqualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving on
mountain roads and stop-s tart traffic. 292
Warning and indicator lamps in the instrument clusterOn-boar
dcomputer and displays

Driving systems
Problem Possible causes/consequences and
M Solutions
·
The red distanc
ewarn-
in gl amp lights up while
th ev ehicle is in motion. G
Risk of acc
ident
The distanc etothe vehicle in frontistoo smal lfor the speed
selected.
X Increase the distance. ·
The red distance warn-
ing lam
plights up while
the vehicle is in motion.
Aw arning ton ealso
sounds. G
Ris
kofa ccident
The warning is issued if you approach astationar yvehicle or a
vehicle driving ahead of you at to ohigh aspeed.
X Be prepared to brak eimmediately.
X Pa yc areful attention to the traffic situation. You may have to
brak eort akee vasive action.
Mo reinformatio nabout DISTRONI CPLUS(Ypage 174) and
PRE-SAFE ®
Brake (Y page 66). Tyres
Problem Possible causes/consequences and
M Solutions
h
The yellow tyr
epres-
sure monitor warning
lamp is on. G
Risk of accident
Th et yrep ressure monitor has detected aloss of pressure in at
least on eofthe tyres.
X Stop the vehicl ewithout making any sudden steering or braki ng
manoeuvres .Pay attention to the traffic conditions as you do
so.
X Observ ethe additiona ldisplay messages in the multifunction
display.
X Check the tyre pressure. If necessary, correc tthe tyr epressure
(Y page 361).
X If necessary, change awheel (Y page 363). Wa
rning and indicator lamp sinthe instrument cluster
293On-boardcomputerand disp lays Z

X
Lower th ebonnet and let it fal lfrom a
heig ht of approx imately 20 cm.
X Check that the bonnet has engaged prop-
erly.
If the bonnet can be raised slightly, it is not
properly engaged. Open it again and close
it with alittle more force. Radiator
i Vehicles with diesel engine: do not
cover the radiator .Don ot use thermal
mats, insec tprotectio ncover sora nything
similar. Doing so can cause the Onboard
Diagnosti csSystem to display inaccurate
values .Some of these values ar elegally
required and must be cor rect. Engine oil
Notes on the oil level Depending on driving style, the vehicle con-
sume samaximum of 0.8 loil per 100 0km.
Th eo il consumption may be higher than this
when the vehicle is new or if you frequently
drive at high engin espeeds.
Checking the oil level using the oil dip-
stick Example: vehicles with
apetro lengine Example: vehicle
swithadiesel engine
X Park the vehicle on alevel surface.
To chec kthe oil level with the engin eat
normal operating temperature, switch the
engine off and wait for approximately five
minutes.
X Pull oil dipstick :out of the oil dipstick
tube.
X Wip eoff oi ldipstick :.
X Slowly slide oil dipstick :into the guide
tube to the stop, and take it out again.
If the level is between MIN mark =and
MAX mark ;,the oil level is correc t.
X If th eoil level has dropped to MIN mark
= or below it, top up with
0.5 to 1.0 litres of engine oil.
Adding engine oil G
WARNING
If engine oil comes into contact with hot
engine parts, it may ignite and you could burn
yourself .Donot spill any engin eoil on hot
engine parts. H
Environmental note
When topping up the oil, take care not to spill
any. If oil enters the soil or waterways, it is
harmful to the environment.
! Do not add too much oil. If the oil level is
above the "max" mar konthe dipstick ,too
much oil has been added. This can lead to
damage to the engin eorthe catalytic con-
verter .Have excess oil siphoned off. 320
Eng
inecompartmentMaintenance and care

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

You can identify service products approved
by Mercedes-Ben
zbythe followin ginscrip-
tions on the container:
R MB-Freigabe (e.g .MB-Freigabe 371.0)
R MB-Approval (e.g .MB-Approval 371.0)
Other labels and recommendation sthat
make reference to quality level or aspeci-
fication accordin gtoanMBSheet no. (e.g.
MB 371.0) ar enot necessarily approved by
Mercedes-Benz.
You can obtain further information from
any Mercedes-Benz Servic eCentre. G
WARNING
Windscreen washer fluid is highly flammable.
Fire, naked flames and smoki ngare prohibi-
ted when handling washer fluid concentrate.
! Only use washe rfluid concentrate which
is suitable for plastic lamp lenses. Unsuit-
able washer fluid concentrate could dam-
age the plastic lamp lenses of the head-
lamps.
! Do not use distilled or de-ionised water in
the washer fluid reservoir. Otherwise, the
level sensor may be damaged.
i Add windscreen washer concentrate, e.g.
MB SummerFit, to the washer fluid all year
round. Example: washer fluid reservoir
X Mix the windscreen washer fluid in acon-
tainer beforehand.
X At tem peratures above freezing: fill the
washer fluid reservoir with amix of water and windscreen washer concentrate (e.g.
MB SummerFit).
X At temperatures below freezing: fill the
washer fluid reservoir with amix of water
and windsc reen washer concentrate (e.g.
MB WinterFit). Adapt the mixing ratio to the
outside temperatures.
X To open: pull cap:upwards by the tab.
X Top up with the premixed washer fluid.
X To close: press cap :ontothe filler neck
until it engages. Maintenance
ASSYST PLUS service interval display
Service messages Informa
tion on the type of service and service
intervals (see separat eServic eBooklet).
You can obtain further information fr om a
Mercedes-Ben zServic eCentre.
The ASSYS TPLUS service interva ldisplay
inform syou when the nex tservice is due.
The multifunction display shows aservice
message for afew seconds, e.g.:
Next servic eAdue in .. days Service
Adue Service
Aoverdue by ... days Th
eletter indicates which servic eisdue.A stands for
aminor servic eand B for
am ajor
service. Anumber or another letter may be
displayed after the letter. This figure indicates
any necessary additional maintenanc ework
to be performed.
If you repor tthis displayed information to a
qualified specialist workshop, for example a
Mercedes-Ben zService Cent re,they can
infor myou of the cost sthe service will incur.
The AS SYST PLUS service interval display
doe snot tak einto account any periods of
time during which the battery is disconnec-
ted. 322
MaintenanceMaintenance and care

Maintainin
gthe time-dependen tservice
schedule:
X Not edown the service due date displayed
in the multifunc tion display befor ediscon-
necting the battery.
or
X Subtract the battery disconnection periods
from the servic edate shown on the displ ay
after reconnecting the battery.
i The ASSYST PLUS service interval displ ay
does not show any information on the
engine oil level .Observ ethe notes on the
engin eoil level (Y page 320).
Hiding aservice message X
Pres sthe % ora button on th esteer-
ing wheel.
Displaying service messages X
Switch th eignitio non.
X Press =or; on the steering wheel
to select the Serv. menu.
X Press 9or: to select the ASSYST PLUS submenu and press
ato confirm.
The service du edatea ppears in the multi-
function display.
Points to remember Resettin
gthe ASSYS TPLUS service inter-
val display
Aq ualified specialist workshop, e.g. a
Mercedes -Ben zS ervice Cent re,w ill reset the
ASSYST PLU Sservic einterval display after
the service work has bee ncarried out.
You can obtain further information ,e.g.
regarding servic ework,from aMercedes-
Benz Ser vice Centre or directly from
Mercedes-Benz.
! If the ASSYST PLUS servic einterval dis-
play has bee ninadvertently reset, this set-
ting can be corrected at aMercedes-Benz
Ser vice Centre. Have servic
ework carried out as described
in the Ser vice Boo klet. This may otherwise
lead to inc reased wear and damage to the
major assemblies or the vehicle.
Driving abroad
An extensive Mercedes -Ben zS ervice network
is also available in other coun tries. The
Service Hotline's curren ttelephone numbers
for use when you are abroa dare to be found
in th e"Mercedes-Ben zService24h" section
of the Ser vice Boo klet. AdBlue
®
service indicator
i For BlueTE Cvehicles only.
The BlueTE Cexhaus tgas aftertreatment
must be operated with the reducing agent
AdBlue ®
in order for it to function correctly.
Under normal operating conditions, afull tank
of AdBlue ®
should last until the nex tservice
due date.
Depending on how and where the vehicle is
used, there may be an inc rease in the
AdBlue ®
consumption, resulting in the next
servic edue date being brought forward.
Certain display messages sho wthat
AdBlue ®
must be topped up, e.g.
Refill AdBlue at worksh opSee Owner’s Manual
Refill AdBlue at worksho
pNostart in .. km
Aw
arning signal also sounds.
You can no longer star tthe engin ewhen the
AdBlue ®
supply has been used up
(Y page 268).
Top up AdBlue ®
(Y page 157).
Before taking atripw ithy our vehicle outside
Europe, have th eAdBlue ®
suppl ychec kedat
aq ualified specialist workshop. If necessary,
have the AdBlue ®
topped up. Before using
your vehicle for an extended period in coun-
tries outside Europe, con tact aq ualified spe-
cialist workshop.
Obser vethe note sonAdBlue®
(Y page 374). Maintenance
323Maintenanceand care Z

X
Use clear wate rand asoft clot htoclean
camera lens :.
! Do not clean the camera lens and the area
around the reversing camera with ahigh-
pressure cleaner.
Cleaning the trailer tow hitch The ball coupling must be cleaned if it
becomes dirty or corroded.
X Remove rust on the ball of the ball coupling,
e.g. with awire brush.
X Remove dirt with aclean, lint-free cloth or
ab rush.
! Do not clean th eball coupling with ahigh-
pressure cleaner .Donot use solvents. X
Afterc leaning, lightly oil or grease ball cou-
pling :.
X Check that the vehicle' strailer to whitch is
working properly.
! Observe the note on care provided by the
trailer manufacturer.
i You can also have the maintenance work
on the ball coupling and the trailer tow hitch
carried out by aqualified special istw ork-
shop. H
Environmenta
lnote
Dispose of oily and greasy cloths in an envi-
ronmentally-responsible manner. Interior care
Cleaning the display X
Before cleaning the display, make sure that
it is switched off and has cooled down.
X Clea nthe display surface usin gacommer-
cially-available microfibr ecloth and TFT/
LCD displa ycleaner.
X Dry the displa ysurface using adry micro-
fibre cloth.
! For cleaning, do not us eany of the fol-
lowing:
R alcohol-base dthinner or petrol
R abrasiv ecleaning agents
R commercially-available household clean-
ing agents
These may damage the displa ysurface. Do
not put pressure on the displa ysurface
when cleaning. This could lead to irrepara-
ble damage to the display.
Cleanin gNight View Assist Plus !
Never clean the camera lens. When clean-
ing the field of vision of the driving systems,
mak esure that you do not spray glass
cleaner on the camera lens. If the camera
lens is dirty, visit aqualified specialist work-
shop. X
Fold down the camera cover by recess :.328
CareMaintenance and care