2011 MERCEDES-BENZ M-CLASS SUV Owners Manual

Displa
ymessages Possible causes/consequences and
M Solutions
Á
Ma
x. speed 20 km/h G
Risk of accident
Yo ua re exceedi ngthe speed permissible for the selected off-road
level.
In addition ,the vehicle level display appears between the vehicle
icon and the display message, and awarning tone sounds.
X Adjust your driving style to the altered handling characteristics.
X Only make sligh tsteering movement sand avoid fast steering
movements.
X Do not excee d20km/h unti lthe vehicle has reached off-road
level 2. G
Risk of accident
The Ac tiveCurve System is faulty. The vehicle's handling charac-
teristics are severely impaired.
In addition, the vehicle level displa yappears between the vehicle
icon and the display message, and awarning tone sounds.
X Do not exceed amaximum spee dof20k m/h.
X Adjus tyour drivin gstyle to the altered handling characteristics.
X Visit aqualified specialist worksho pimmediately. Á
Vehicle rising
max. 20 km/h Th
ev ehicle is being adjusted to off-road level 3. The display mes-
sage inform syou of the maximum speed permissible for off-road
leve l3.
X Do not exceed amaximum spee dof20k m/h. Á
20 km/h max. Yo
ua re driving in off- road level 3. The displ aymessage informs
yo uo fthe maximum speed permissible for off-road level 3.
X Do not exceed amaximum spee dof20k m/h. g
Lowering
max.
20 km/h Th
ev ehicle is being lowered from off-road level 3tooff-road level
2. Th edisplay message informs you of the maximum speed per-
missible for off- road level 3.
X Do not exceed 20 km/ huntil the vehicl ehas reached off-road
level 2. 8
Different. lock
sys. Malfunction The differential lock is malfunc
tioning.
X Do not exceed amaximum spee dof80k m/h.
X Have th evehicle checked at aqualified specialist workshop. 270
Display messagesOn-board computer and displays

Displa
ymessages Possible causes/consequences and
M Solutions
8
Di
fferent. locking
sys
.c oolin gdown Please wait Th
ed ifferential loc kistoo hot and has been disengaged.
X Drive on carefully.
X Allow the differential lock to cool down.
The differential lock reengages as soon as it has cooled down. LO
WR ANGE Stop Apply parking brake Ag
earshif tprocess ha sbeen can celled. LOW RANGE is in the
neutral position. There is no connection between the engine and
the driv ewheels.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to roa dand traffic conditions.
X Appl ythe electric parkin gbrake .Don ot con tinue driving under
any circumstances.
X Repe atthe gearshift process. LOW RANGE Malfunc‐
tion To park,
apply parking brake LO
WR ANGE is malfunctioning.
X Do not excee damaximum spee dof80k m/h.
X Apply th eelectric parkin gbrake to park.
X Have th evehicle checked at aqualified specialist workshop. LO
WR ANGE Max. speed 40 km/h Yo
uh ave exceeded the maximum spee dfor the gearshift process.
X Drive slower.
The gear change is made. LO
WR ANGE Max. speed 70 km/h Yo
uh ave exceeded the maximum spee dfor the gearshift process.
X Drive slower.
The gear change is made. LOW RANGE Shift to
position
Nbriefly Yo
uh ave reduced the vehicle speed, but the automatic transmis-
sion is not in position N.
X Briefly shift the automatic transmission to position N.LOW RANGE Shifting
cancelle
dPlease reactivate Th
eg earshif tprocess ha sbeen cancelled.
X Repeat the gearshif tprocess. Ã
inoperative DSR (Downhil
lSpeed Regulation) is deactivated due to afault.
X Hav eDSRchecked at aqualified specialist workshop. Display messages
271On-boar dcomp uter and displa ys Z

Displa
ymessages Possible causes/consequences and
M Solutions
Sp
eedL imit Assist currently unavail‐
abl
eS ee Owner's Manual Spee
dLimit Assist is deactivated an dtemporarily inoperative.
Possible causes:
R the windscreen is dirt yinthe camera's field of vision.
R visibility is impaired due to heav yrain, snow or fog.
If the displ aymessage does not disappear:
X Pull ove rand sto pthe vehicle safely as soon as possible, paying
attention to roa dand traffic conditions.
X Appl ythe electric parkin gbrake.
X Cle anthe windscreen.
If th esystem detects that the camera is fully operational, the dis-
play messag edisappears.
Speed Limit Assist is operational again. Speed Limit Assist:
Unavailabl
ein this country Spee
dLimit Assist is only available in certain countries.
X Driv eon.
Spee dLimit Assist is available again when you drive in acount ry
in which its use is approved. Spee
dLimit Assist inoperative Spee
dLimit Assist is faulty.
X Visit aqualified specialist workshop. HOLD
Off The HOLD function is deactivated. The vehicle is skidding.
Aw arning ton ealso sounds.
X Reactivat ethe HOL Dfunction later (Y page 187). Ra
dars ensor deac‐ tivated autom. See
Owner'
sManual Vehicles with
anavigation system :the vehicl eisclose to aradio
telescope facility and is therefor eprohibited from transmittin gany
radar sig nals. The radar sensor system has switched off automat-
icall y(Ypage 380).
DISTRONI CPLUS (Y page 174) is deactivate dautomaticall yifitis
activated. Awarning ton ealso sounds.
Blin dSpotA ssist (Y page 208) or Ac tiveBlind Spo tAssist
(Y page 212) is deactivate dautomaticall yifitisactivated. The
yellow 9indicator lamps als olight up in the exterior mirrors.
BAS PLU S(Brake Assis tPLUS) (Y page 62) and PRE-SAFE ®
Brake
(Y page 66) are then also no tavailable.
X Drive on.
Once yo uhave moved far enough awa yfrom th eradio telescope,
the above function sare avai lable again. 272
Display messagesOn-board computer and displays

Displa
ymessages Possible causes/consequences and
M Solutions
Vehicles wit
hBecker ®
MA PPILOT :ifthe Becker ®
MA PPILOT is
not connected, the radar sensor syste misdeactivated automati-
cally.
BAS PLUS, DI STRONIC PLUS, Blind Spot Assis torActive Blind
Spo tAssist and PRE-SAFE ®
Brake ar enot available.
X Connect the Bec ker®
MAP PILOT; see the separate operating
inst ructions. Rada
rsensor deactivated See
Owner's Manual Th
er adar senso rsystem is deactivated.
X Check whether or not the radar sensor syste mmay be activated
(Y page 380).
X Switch on the radar senso rsystem (Y page 249). Lan
eKeeping Assist currently
unavailable See
Owner's Man‐
ual or
Active Lane Keeping Assist cur‐
rently unavailable
See Owner's Manual Lan
eKeeping Assist or Active Lan eKeeping Assist is deactivated
and temporarily inoperative. Possible causes:
R the windscreen is dirt yinthe camera's field of vision.
R visibilit yisimpaire ddue to heavy rain, snow or fog.
R there are no lane markings for alonger period.
R the lane markings ar eworn ,dark or covered, e.g. by dirt or snow.
If the display 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 windscreen.
If the system detect sthat the camera is fully operational ,the dis-
play message disappears.
Lane Keeping Assist or Ac tive Lane Keeping Assist is operational
again. Lane Keeping
Assist inopera‐
tive orActive Lane
Keeping Assist
inoperative Lane Keeping Assist or Active Lane Keeping Assist is faulty.
X
Visit aqualified specialist workshop. Display messages
273On-boardcomputer anddispl ays 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

Displa
ymessages Possible causes/consequences and
M Solutions
The vehicl
ehas started to skid and ESP ®
has intervened.
X Use Active Parking Assist again later (Y page 194).Park Assist
inoperative You hav
ejust carried out alarge number of turnin gorparking
manoeuvres.
Active Parking Assis twill become available again after approx-
imately 10 minutes (Y page 194).
X Pull over and stop the vehicle safely as soon as possible ,paying
attention to road and traffic conditions.
X Switch off and restart the engine.
If the display message continues to be displayed:
X Visit aqualified specialist workshop. PARKTRONIC is faulty.
X
Visit aqualified specialist workshop. Parkin
gAssist switched off Th
ev ehicle is parked. Awarning ton ealso sounds.
The display message disappear sautomatically. DI
STRONIC PLUS off DISTRONIC PLUS ha
sbeen deactivate d(Ypage 174). If it was
deactivate dautomatically, awarning ton ealso sounds. DI
STRONIC PLUS available again DISTRONIC PLUS is operational agai
nafter having been tempo-
rarily unavailabl e. Youcan now reactivat eDISTRONIC PLUS
(Y page 174). Display messages
275On-boardcompu tera nd disp lays Z

Displa
ymessages Possible causes/consequences and
M Solutions
DI
STRONIC PLUS currently unavail‐
abl
eS ee Owner's Manual DISTRONIC is deactivated and tempora
rily inoperative. Possible
causes:
R theD ISTR ONIC PLU Scove rint he ra diatorgrille is di rty.
R function is impaire ddue to heav yrain or snow.
R thes ensor sinthebumpers are dirty.
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.
Aw arning ton ealso sounds.
If th edisplay message does no tdisappear:
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 DISTRONIC PLU Scover in the radiator grille
(Y page 32 7).
X Clean the bumper s(Ypage 32 7).
X Restart the engine.
If the system detects that the sensors are fully operational, the
displa ymessage disappears.
DI ST RONIC is operational again. DISTRONIC PLUS
inoperative DISTRONIC PLUS is faulty. BAS PLUS and PRE-SAFE
®
Brake may
also have failed.
Aw arning ton ealso sounds.
X Visi taq ualifieds pecialist workshop. DISTRONI
CPLUS override Yo
uh ave depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the spee dofthe vehicle.
X Take your foot off the accelerator pedal. DISTRONI
CPLUS --- km/h An activation conditio
nfor DI STRONIC PLUS is not fulfilled.
X Check the activation conditions for DISTRONIC PLUS
(Y page 174). DISTRONIC PLUS and
SPEEDTRONIC
inoperative DISTRONIC PLUS and SPEEDTRONIC are faulty.
Awarning tone
also sounds.
X Visit aqualified specialist workshop. 276
Display messagesOn-board computer and displays

Displa
ymessages Possible causes/consequences and
M Solutions
Cr
uise control and
SPEEDTRONIC
inoperative Cruise contr
ol andSPEEDTR ONIC ar emalfunctioning.
X Visit aqualified specialist workshop. Li
mit --- km/h SPEEDTRONIC cannot be activated while you are pressin
gthe
accelerator pedal beyon dthe pressur epoint (kic kdown). Cruise control
--
-k m/h Ac
ondition for activa ting cruise control has not bee nmet.
You have tried to stor easpeed below 30 km/h, for example.
X If condition spermit ,drive faster than 30 km/h and store the
speed.
X Check th eactivation conditio ns forcruis econtr ol
(Y page 17 0). 12
0k m/h Maximu
mspeed exceeded Only fo
rcertain coun tries: the maximum speed has been excee-
ded.
In addition, the multifunction display shows 120k m/h .
X Dri veslower. Ty
res Display messages Possible causes/consequences and
M Solutions
Tyr
epressure Check tyres G
Ris
kofa ccident
The tyre pressure loss warning system has detected asignificant
loss in pressure.
X Stop the vehicle without makin gany sudden stee ring or braking
manoeuvres. Pay attention to the traffic conditions as you do
so.
X Check the tyres and, if necessary, change the wheel
(Y pag e363).
X Check the tyre pressures and ,ifnecessary, set to the cor rect
tyre pressure.
X Restart the tyre pressure los swarning system when the tyre
pressure is correct (Y page 360).Chec
ktyre pres‐ sures
then restar
tRun Flat Indicator Th
et yre pressure los swarning system generated adisplay mes-
sage and has not been restarted since.
X Set the correct tyre pressure in all four tyres.
X Restart the tyre pressure loss warnin gsystem (Y page 360). Display messages
277On-boardcomputer anddisplays Z