light MERCEDES-BENZ M-CLASS SUV 2011 Owners Manual

Problem Possible causes/consequences and
M Solutions
!
The yellow AB
Swarning
lamp is lit while the
engine is running. G
Risk of accident
ABS is temporarily unavailable. Therefore, BAS ,BAS PLUS, ESP ®
,
EBD (electronic brake force distribution), PRE-SAFE ®
,
PRE-SAFE ®
Brake, the HOLD function, hil lstart assist, the adaptive
brake lights and ESP ®
trailer stabilisation, for example, are also
deactivated.
Self-diagnosi sisnot yet complete or the on-boar dvoltage ma ybe
insufficient ,for example.
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.
ATTENTION ASSIS Tisdeactivated.
X Careful lydriv eonas uitable stretch of road, making slight 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. !
The yello
wABS warning
lamp is lit while the
engine is running .A
warning tone also
sounds. G
Risk of accident
EBD is faulty. Therefore, ABS ,BAS, BAS PLUS, ESP ®
,P RE -SAFE ®
,
PRE-SAFE ®
Brake, the HOLD functi on,hills tart assist, the adaptive
brake lights and ESP ®
trai lers tabilisation, for example, are not
availabl eeither.
The brake system continues to function normally, but without the
functions listed above .The wheels could therefor elock if you
brake hard ,for example.
ATTENTION ASSIS Tisdeactivated.
X Observ ethe additiona ldisplay messages in the multifunction
display.
X Driv eonc arefully.
X Visit aqualified specialist workshop. Warnin
gand indicator lam psin the instrument cluster
287On-boardcomputera nd disp lays Z

Problem Possible causes/consequences and
M Solutions
J֌!
The red brake warning
lamp, the yellow ESP
®
and ESP ®
OFF warning
lamps and the yellow
AB Sw arning lamp are
lit while the engine is
running. G
Risk of accident
ABS and ESP ®
are malfunctioning. Therefore, BAS ,BAS PLUS,
EBD ,PRE-SAFE ®
,P RE-SAFE ®
Brake, the HOLD function, hill start
assist, the adaptive brake lights and ESP ®
trailer stabilisation, for
example, are not available either.
The brake syste mcontinue stofunction normally, but without the
functions listed above. The wheel scould therefor elock if you
brake hard ,for example.
ATTENTION ASSIS Tisdeactivated.
X Observ ethe additiona ldisplay messages in the multifunction
display.
X Driv eonc arefully.
X Visit aqualified specialist workshop. ÷
The yello
wESP®
warn-
ing lamp flashes while
the vehicle is in motion. G
Risk of accident
ESP ®
or traction control has intervened because there is arisk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLU Sisd eactivated.
X Only depress the accelerator pedal as far as necessar ywhen
pulling away.
X Ac celerate more gently during the journey.
X Adapt your drivin gstyle to suit the road and weather conditio ns.
X Do not deactivate ESP ®
.
Exceptions: (Y page 63). å
The yello
wESP®
OFF
warning lamp is lit while
the engine is running. G
Risk of accident
ESP ®
and ESP ®
traile rstabilisatio nare deactivated. ESP ®
will not
stabilis ethe vehicle if it starts to skid or if awheel starts to spin.
X Reactivate ESP ®
.
For exceptions, see: (Y page 63).
X Adap tyour drivin gstyle to suit the road and weather conditio ns.
If ESP ®
cannot be activated:
X Have ESP ®
checked at aqualified specialist workshop. 288
Warnin
gand indicator lam psin the instru ment clusterOn-board computer and displays

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

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

Stowage compa
rtment/telephone com-
partment under the armrest
i Depending on the vehicle's equipment, a
USB port and an AUX-I Njack or aMedia
In terf ace are installed in the stowage com-
partment .AMedia In terface is auniversal
interface for portable audi oequipment, e.g.
for an iPod ®
or MP3 player (see the sepa-
rat eA udio or COMAND operating instruc-
tions).
i There is aremovable stowage tray in the
storage compartment, in which objects
such as an iPod ®
can be stored. X
To open: pull handle :upwards.
The armrest folds out.
Rea rstowage compartments Stowage compartment in the rear centre
cons ole X
To open: briefly pres sthe stowage com-
partment marking.
The stowage compartmen topens. i
Depending on the vehicle's equipmen t,
there may be ope nstowag espaces above
and below the stowage compartment. Luggage nets
G
WAR
NING
Only place lightweight obje ctsint he luggage
net .Don ot use it to transport heavy ,sharp-
edged or fragile objects. The luggag enet can-
not secur ethe objects sufficiently in the event
of an accident.
Luggage net sare locate dinthe front-
passenger footwell and on the bac kofthe
driver 'sand the front-passenger seat. Through-loading facility in the rear
compartment
The through-loading facility is opened from
the luggag ecompartmen t. X
Unlatch th erear seat back rests and tilt
them in the cargo/load position.
X Fold down the rea rseat armrest.
X Pull the centr ehead restraint on the rear
benc hseat int othe uppermost position
(Y page 94).
X Slide release cat ch: to the left and swing
flap ;to the left until it is lying on the rear
sid eoft he rea rbenc hseat. 298
Stowage areasStowing and fea
tures

!
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