2011 MERCEDES-BENZ M-CLASS SUV belt

Displa
ymessages Possible causes/consequences and
M Solutions
PR
E-SAFE Functions cur‐
rently limited See
Owner'
sManual G
Risk of accident
PRE-SAFE ®
Brake is tempora rily inoperative if:
R theD ISTR ONIC PLU Scove rint he ra diatorgrille is di rty.
R the sensor sinthebumpers are dirty.
R itsf unction is impaire ddue to heav yrain or snow.
R ther adar sensor system is temporarily inoperative, e.g. due to
elect romagnetic radiatio nemitted by nearby TV or radio sta-
tions or other source sofelectromagnetic radiation.
R the system is outside the operatin gtemperatur erange.
R the on-board voltage is too low.
PRE-SAFE ®
Brak eiso perational again and the display message
disappears if:
R the dirt (e.g. slush) drops away while the vehicle is in motion.
R the system detects that the sensor sare full yavailable again.
R thes ystem is within the operatin gtemperatur erange.
If the display message continues to be displayed:
X Clean the DISTRONIC PLUS cover in the radiator grille
(Y page 327).
X Clean the bumpers (Y page 327).
X Restart the engine.
X Wait until the batter yissufficiently charged. PRE-SA
FE Functions limited
See Owner's Manual G
Ris
kofa ccident
PRE-SAFE ®
Brak eisf aulty. BA SPLUS or th edistance warnin gsig-
nal may also have failed.
X Visit aqualified specialist workshop. ü If the symbo
lappears in the multifunction display, aseat belt
tongue has been clipped int oarear seat belt buckle.
For further information on the status indicator for the rear seat
belts: (Y page 49). ý G
Risk of inju
ry
If th esymbol appears in the multifunction display, aseat belt
tongue has not been clipped int oarear seat belt buckle.
X If necessary, ask the occupants in the rear to fasten their seat
belts.
For further information on the status indicator for the rear seat
belts: (Y page 49). 260
Display messagesOn-boar
dcomputer and displays

Displa
ymessages Possible causes/consequences and
M Solutions
# The battery is no
tbeing charged.
Aw arning ton ealso sounds.
Possible causes:
R fault yalternator
R torn poly-V-belt
R am alfunction in th eelectronics
X Stop th evehicle immediately, payin gattentio ntoroad and traf-
fic conditions, and switc hoff th eengine.
X Ope nthe bonnet.
X Chec kwhether the poly-V-belt is tor n.
If the poly-V -belt is torn:
! Do not continue driving. The engine could otherwise overheat.
X Consult aqualified specialist workshop.
If the poly-V-belt is OK:
X Visit aqualified specialist workshop. 4
Chec
keng. oil lev. when next
refuelling Th
eo il level has dropped to the minimum level.
Aw arning ton ealso sounds.
X Chec kthe oil level, at the latest when nex trefuelling
(Y page 320).
X If necessary, top up the engine oil (Y page 320).
X Hav ethe engin echecked at aqualified specialist worksho pif
the engine oil needs topping up more often than usual. 8
Reserv
efuel level Th
ef uel 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. C There is only
avery small amount of fuel in the fuel tank.
The auxiliary heatin gcannot be operated.
X Refuel at the nearest filling station without fail. ¸
Replace
air cleaner Vehicles with
adiesel engine: the engine air filter is dirty and must
be replaced.
X Visit aqualified specialist workshop. Display messages
267On-boardcomputer and displays Z

Displa
ymessages Possible causes/consequences and
M Solutions
Bl
indS potA ssist currently unavail‐
abl
eS ee Owner's Manual or
Ac tive Blind Spo
tAssist currently unavail‐
abl
eS ee Owner's Manual Blind Spot Assist or Active Blind Spot Assis
tist emporaril yinop-
erative .Possible causes:
R you have established the electrical con nectio nbetween the
trailer and your vehicle.
R the sensors are dirty.
R function is impaired due to heavy rai norsnow.
R the radar sensor system is outside the operating temperature
range.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
The yellow 9indicator lamps also light up in the exterior mir-
rors.
X Whe ntowing atrailer, con firm th edisplay message with a.
If you are drivin gwithout atrailer and th edisplay message does
not disappear:
X Pull over and stop the vehicle safely as soon as possible ,paying
attention to road and traffic conditions.
X Apply the electric parking brake.
X Clean the sensors (Y page 327).
X Restart the engine.
If the system detect sthat the sensor sare full yoperational, the
display message disappears.
Blin dSpot Assist or Active Blin dSpot Assist is operational again. Blin
dSpot Assist inopera‐
tive or
Active Blind Spot Assist inoper‐
ative Blind Spot Assist or Active Blind Spot Assist is faulty.
Th ey ellow 9indicator lamps also light up in the exterior mir-
rors.
X Visit aqualified specialist workshop. Park Assist
cancelled The driver'
sdoor is open and the driver' sseat belt has not been
fastened.
X Repeat the parking process with the seat belt fastened and the
driver' sdoor closed. You have inadvertently touched the multifunc
tion steerin gwheel
while steerin gintervention was active.
X While steerin gintervention is active, make sure that the multi-
function steerin gwheel is not touched. 274
Displa
ymessagesOn-board compu tera nd displays

Warnin
gand indicator lamps in th einstrument cluster Seat belts
Problem Possible causes/consequence
sand M Solutions
7
Only for certain coun-
tries: the red seat belt
warning lamp lights up
for six seconds after
the engine starts. The seat belt warning lamp reminds the driver and fron
tpassenger
to fasten their seat belts.
X Fasten your seat belt (Y page 46).7
Only for cer
tain coun-
tries: the red seat belt
warnin glamp lights up
after the engine starts.
In addition, awarning
tone sounds for up to
six seconds. G
Risk of injury
The driver' sseat belt is not fastened.
X Fasten your seat belt (Y page 46).
The warning ton eceases. 7
The red seat belt warn-
ing lam
plights up after
the engine starts, as
soon as the driver's or
the front-passenger
door is closed. G
Risk of injury
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 46).
The warnin glamp goes out. G
Risk of injury
There are object sonthe front-passenger seat.
X Remove the objec tsfrom th efront-passenger seat and stow
them in asecur eplace.
The warnin glamp goes out. 284
Warnin
gand indicator lam psin the instrument clusterOn-board compu tera nd displays

Problem Possible causes/consequences and
M Solutions
7
The red seat belt warn-
ing lam pflashes and an
intermitten taudible
warning sounds. G
Ris
kofi njury
The driver or fron tpassenger has not fastened their seat belt. At
th es am etime, yo uare dr ivingfaster than25k m/h or have briefly
driven faster than 25 km/h.
X Fasten your seat belt (Y page 46).
Th ew arning lamp goes out and the intermittent warning tone
ceases. G
Risk of injury
There are objects on the front-passenger seat. At the same time,
you are driving faster than 25 km/h or have briefly driven faster
than 25 km/h.
X Remove the objects from the front-passenger seat and stow
them in asecur eplace.
The warnin glamp goes out and the intermittent warning tone
ceases. Safety systems
Problem Possible causes/consequence
sand M Solutions
J
The yellow brak
esys-
tem warning lamp
lights up while the
engine is running. G
Risk of accident
The brake syste mism alfunctionin gand the braking characteris-
tics may be affected.
X If the multifunctio ndispla yshows adispla ymessage, please
observ ethis.
X Drive on carefully.
X Visit aqualified specialist workshop. J
The red brake system
warning lamp comes on
while the engine is run-
ning. Awarning tone
also sounds. G
Risk of accident
The brake boosting effect is malfunctionin gand the braking char-
acteristics may be affected.
X Pull over and sto pthe vehicle safely as soon as possible, paying
attention to roa dand traffic conditions. Do not continue driving
under any circumstances.
X Appl ythe electric parkin gbrake.
X Consult aqualified specialist workshop.
X Observe the additional displa ymessages in the multifunction
display. Wa
rning and indicator lamp sinthe instrument cluster
285On-boardcomputerand disp lays 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

!
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

res
ultsd epend on the type of dirt and
how long it has been there.
R clean Alcantara® covers with adamp
cloth. Make sure you wipe entire seat
sections to avoid leavin gvisible lines.
i Notethat regular car eisessentia lto
ensure that the appearance and comfor tof
the covers is retaine dovertime.
Cleaning th eseat belts X
Use clean ,lukewarm water and soap solu-
tion.
! Do not clean the seat belts using chemical
cleaning agents. Do not dry the seatbelts
at temperatures above 80 †orbyexposing
them to direc tsunlight.
Cleaning th erooflining and carpets X
Roof lining: useasoft brush or acleaning
agent recommended and approve dby
Mercedes-Ben ztoremov eheavy soiling.
X Carpets: use the carpet and textile clean-
ing agents recommended and approved by
Mercedes-Benz. 330
CareMaintenance and care