
Drivingsystems
Display messagesPossible causes/consequences an dMSolutions
TCshiftcondition snot fulfilled
Apply the brake/parkingbrake
The parking brake has no tbee napplied and th ebrake peda lhas no t
bee ndepressed. The transfe rcas ehas canceled th egear chang e
process and is in Neutral.There is no connection between th eengin e
and th edrive wheels.
XPull over and stop th evehicle safely as soo nas possible, payin g
attention to road and traffic conditions.
XDepress th ebrake peda land apply th eparking brake .
XShift theautomatic transmissio nto neutral position N.
XMak esur eall condition sfo rchangin ggear sare met (Ypage 162).
XRepeat th egearshift process.
TC malfunction
Consul tworkshopabout applying theparkin gbrake
There is amalfunction in th etransfe rcase.
XDo no tshift th etransfe rcase.
XWhe nparking ,secure th evehicle against rollin gaway (Ypage 130).
XHaveth evehicle checke dat aqualified specialis tworkshop .
TC shift canceled
Reactivat e
The transfe rcas ehas no tperformed th egear chang eprocess.
XRepeat th egearshift process.
XMak esur eall condition sfo rchangin ggear sare met (Ypage 162).
TCshiftcondition snot fulfilled
Max.speed 25 mph
You hav eexceede dth emaximum speed fo rth egearshift process.
XDrive more slowly.
XRepeat th egearshift process.
TCshiftcondition snot fulfilled
Select NEUTRA Lgea r
You hav eno tmet on eor more shift conditions.
XShift th eautomatic transmissio nto neutral position N.
XRepeat th egearshift process.
TCshiftcondition snot fulfilled
Max.speed 40 mph
You hav eexceede dth emaximum speed fo rth egearshift process.
XDrive more slowly.
XRepeat th egearshift process.
LOW RANGE
ON
The transfe rcas eis in th eLOW RANGE off-road position .
HIGHRANGE
ON
The transfe rcas eis in th eHIG HRANGE on-road position .
Differential loc konlyavailable inLOW RANGE
The LO WRANGE butto nhas bee npressed. The transfe rcas eis in th e
LOW RANGE off-road drivin gposition and adifferential loc kis
engaged.
XDisengage th edifferential locks (Ypage 164).
XRepeat thegearshift process.
Display messages19 5
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
TC NEUTRAL
ON
The transfer cas eis in th eNeutral neutral position .
A warning tone will also soun dwhen th edriver's door is opened and
th ebrak epedal is no tdepressed.
XClos eth edriver's door .
XSecureth evehicl eagainst rollin gaway (Ypage 130).
XShift th etransfer cas eaccording to drivin gcondition s
(Ypage 162).
Preselected differ ‐ential lock
ESP unavailable
Adifferential loc khas been engaged. The differential gear has no tyet
locke dth erespective differential. The activation indicator lamp (yel-
low) (
Ypage 164) of th eswitch lights up.
ES Pis unavailable .
AB Sis still available.
Differential loc kactive
ABSandESPunavail‐able
Adifferential loc kwas engage dand th edifferential gear has locke d
th erespective differential. The activation indicator lamp (yellow) and
function indicator lamp (red) (
Ypage 164) on theswitch ligh tup.
AB Sand ES Pare unavailable .
Blind SpotAssistcurrently unavaila‐ble
See Operator' sMan ‐ual
Blind Spot Assis tis temporarily inoperative. Possibl ecauses are:
Ryou hav eestablished th eelectrical connection between th etrailer
and your vehicle.
Rth esensor sare dirty.
Rfunction is impaire ddue to heav yrain or snow.
Rth eradar sensor system is outside th eoperating temperature
range.
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
The yellow 9indicator lamp salso ligh tup in th eexterio rmirrors.
XWhe ntowin g atrailer ,confirm th edisplay message wit ha.
If you are drivin gwithout atrailer and th edisplay message does no t
disappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XApply th eparking brake.
XClean th esensor s (Ypage 244).
XRestart th eengine.
If th esystem detects that th esensor sare fully operational, th edisplay
message disappears.
Blind Spot Assis tis operational again .
Blind SpotAssistor
InoperativeBlind Spot Assis tis defective.
The yellow 9indicator lamp salso ligh tup in th eexterio rmirrors.
XVisit aqualified specialist workshop .
196Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
DISTRONIC PLUS
Off
DISTRONICPLU Shas been deactivated (Ypage 147).
If it was deactivated automatically, awarning tone also sounds.
DISTRONIC PLU S
Now Available
DISTRONICPLU Sis operational again after having been temporarily
unavailable .You can no wreactivat eDISTRONI CPLU S (Ypage 147).
DISTRONIC PLU S
Currently Unavaila‐ble.SeeOperator' sManual
DISTRONICis deactivated and temporarily inoperative. Possibl ecau-
ses are:
Rth eDISTRONI CPLU Scover in th eradiato rtrim is dirty
Rfunction is impaire ddue to heav yrain or snow.
Rth esensor sin th ebumpers are dirty.
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation .
Rthesystem is outside th eoperating temperature range.
Rth etransfer cas eis in th eLOW RANGE transmission position .
Rthevehicl eis on an uphil lor adownhill slop eof mor ethan
22‑25 %
Rtheon-boar dvoltag eis to olow.
A warning tone also sounds.
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XApply th eparking brake.
XClean th eDISTRONI CPLU Scover in th eradiato rtrim and th e
bumper (Ypage 244).
XRestart th eengine.
If th esystem detects that th esensor sare fully operational, th edisplay
message disappears.
DISTRONI CPLU Sis operational again .
DISTRONIC PLUS
Inoperative
DISTRONICPLU Sis defective.
BA S(Brake Assist) may also hav efailed.
A warning tone also sounds.
XVisit aqualified specialist workshop .
DISTRONIC PLUS
Passive
You hav edepressed th eaccelerato rpedal .DISTRONI CPLU Sis no
longer controllin gth espeed of th evehicle.
XRemove your foo tfrom th eaccelerato rpedal .
DISTRONIC PLU S
- - -mph
An activation condition for DISTRONI CPLU Sis no tfulfilled .
XCheckth eactivation condition sfor DISTRONI CPLU S (Ypage 147).
DISTRONIC PLU SandSPEEDTRONIC
Inoperative
DISTRONI CPLU Sand SPEEDTRONI Care faulty. Awarning tone also
sounds.
XVisit aqualified specialist workshop .
Display messages197
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
Cruise controlandSPEEDTRONIC Inoper ‐ative
Cruisecontrol and SPEEDTRONI Care malfunctioning .
XVisitaqualified specialist workshop .
Limit
- - -mph
Whiledepressing th eaccelerato rpedal beyon dth epressur epoin t
(kickdown), SPEEDTRONI Ccanno tbe activated.
Cruise Contro l
- - -mph
Acondition for activating cruise control has no tbeen fulfilled .
You hav etried to store aspeed belo w20 mph (30 km/ h), for example.
XIf conditions permit, drive faster than 20 mph (30 km/ h)and store
the speed.
XCheck the activation conditions for cruise control (Ypage 141).
Tires
Display messagesPossible causes/consequences and MSolutions
Tire pressure willbe displayed afterdriving a fewminutes
The tire pressure monitor is measuring the tire pressure.
XDrive on.
The tire pressures appear in the multifunction display after you have
been driving for a few minutes.
TirePress.MonitorInoperativeThe tire pressure monitor is faulty.
XVisit a qualified specialist workshop.
Tire Pressure Moni‐tor Inoperative NoWheel Sensors
The wheels mounted do not have a suitable tire pressure sensor. The
tire pressure monitor is deactivated.
XMount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving for
a few minutes.
198Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
Check TiresThe tire pressurein on eor mor etires has dropped significantly. The
whee lposition is displayed in th emultifunction display.
A warning tone also sounds.
GWARNIN G
Wit htire pressures whic hare to olow, there is aris kof th efollowin g
hazards :
Rthey may burst, especially as th eload and vehicl espeed increase.
Rthey may wear excessivel yand/o runevenly, whic hmay greatl y
impair tire traction .
Rthedrivin gcharacteristics ,as well as steering and braking ,may be
greatl yimpaired.
There is aris kof an accident.
XStop th evehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sas you do so.
XSecur eth evehicl eagainst rollin gaway (Ypage 130).
XIf there is aflat tire, inspec tth etires (Ypage 250).
XChec kth etire pressur e (Ypage 268).
XIf necessary, correc tth etire pressure.
Warnin gTir eMal ‐functionThe tire pressur ein on eor mor etires has dropped suddenly. The whee l
position is shown in th emultifunction display.
A warning tone also sounds.
GWARNIN G
If you drive wit h aflat tire, there is aris kof th efollowin ghazards :
Raflat tire affects th eabilit yto steer or brak eth evehicle.
Ryou could lose control of th evehicle.
Rcontinued drivin gwit h a flat tire will caus eexcessive heat build-up
and possibl y afire.
There is aris kof an accident.
XStop th evehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sas you do so.
XSecur eth evehicl eagainst rollin gaway (Ypage 130).
XIf there is aflat tire, inspec tth etires (Ypage 250).
Correc tTir ePres‐sur eThe tire pressur eis to olow in at least on eof th etires ,or th etire
pressur edifference between th ewheels is to ogreat.
XChec kth etire pressures at th enext opportunity (Ypage 268).
XIf necessary, correc tth etire pressure.
XRestart th etire pressur emonitor (Ypage 270).
TirePress .Sen ‐sor(s) Missin gThere is no signal from th etire pressur esensor of on eor several
wheels. The pressur eof th eaffecte dtire is no tdisplayed in th emul-
tifunction display.
XHav eth efault ytire pressur esensor replace dat aqualified special -
ist workshop .
Display messages199
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
TirePressure Moni‐tor CurrentlyUnavailable
Due to asource of radi ointerference, no signals can be received from
th ewhee lsensors. The tire pressur emonitor is temporarily malfunc -
tioning .
XDrive on .
The tire pressur emonitor restarts automatically as soo nas th e
problem has been solved.
h
Tir ePressure Warn‐ing ,Tir eMalfunc‐tio n
The tire pressur ein on eor mor etires has dropped suddenly. The whee l
position is shown in th emultifunction display.
A warning tone also sounds.
GWARNIN G
If you drive wit h aflat tire, there is aris kof th efollowin ghazards :
Raflat tire affects th eabilit yto steer or brak eth evehicle.
Ryou could lose control of th evehicle.
Rcontinued drivin gwit h a flat tire will caus eexcessive heat build-up
and possibl y afire.
There is aris kof an accident.
XStop th evehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sas you do so.
XSecur eth evehicl eagainst rollin gaway (Ypage 130).
XIf there is aflat tire, inspec tth etires (Ypage 250).
h
Check Tir ePressure
The tire pressur ein on eor mor etires has dropped significantly. The
whee lposition is shown in th emultifunction display.
A warning tone also sounds.
GWARNIN G
Wit htire pressures whic hare to olow, there is aris kof th efollowin g
hazards :
Rthey may burst, especially as th eload and vehicl espeed increase.
Rthey may wear excessivel yand/o runevenly, whic hmay greatl y
impair tire traction .
Rthedrivin gcharacteristics ,as well as steering and braking ,may be
greatl yimpaired.
There is aris kof an accident.
XStop th evehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sas you do so.
XSecur eth evehicl eagainst rollin gaway (Ypage 130).
XIf there is aflat tire, inspec tth etires (Ypage 250).
XChec kth etire pressur e (Ypage 268).
XIf necessary, correc tth etire pressure.
h
Correc tTir ePres‐sur e
The tire pressur eis to olow in at least on eof th etires ,or th etire
pressur edifference between th ewheels is to ogreat.
XChec kth etire pressures at th enext opportunity (Ypage 268).
XIf necessary, correc tth etire pressure.
200Display messages
On-board computer and displays

Vehicle
Display messagesPossible causes/consequences andMSolutions
Shift to P or N toStart EngineYou have attempted to start the engine with the transmission in posi-
tionRor D.
XShift the transmission to position Por N.
Auxiliary BatteryMalfunctionThe auxiliary battery for the automatic transmission is no longer being
charged.
XVisit a qualified specialist workshop at the next opportunity.
XUntil then, set the automatic transmission to position Pbefore you
switch off the engine.
XBefore leaving the vehicle, apply the parking brake.
Apply Brake toShift from PYou have attempted to move the transmission selector lever to posi-
tion D,R or Nwithout depressing the brake pedal.
XDepress the brake pedal.
AThe rear door is open.
GWARNING
When the engine is running, exhaust gases can enter the vehicle inte-
rior if the tailgate is open.
There is a risk of poisoning.
XClose the rear door.
?The hood is open.
GWARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 130).
XClose the hood.
CAt least one door is open.
A warning tone also sounds.
XClose all the doors.
Display messages201
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
D
Power Steering Mal‐function. See Oper‐ator's Manual
The powersteering is malfunctioning .
A warning tone also sounds.
GWARNIN G
You will need to use mor eforce to steer .
There is aris kof an accident.
XChec kwhether you are able to apply th eextr aforce required.
XIf you ar eabl eto steer safely: carefully drive on to aqualified
specialist workshop .
XIf you areunable to steer safely: do notdrive on .Contac tth e
neares tqualified specialist workshop .
TelephoneNoServiceYour vehicl eis outside th enetwork provider' stransmitter/receiver
range.
XWait until th emobile phone operational readiness symbol appear s
in th emultifunction display.
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped belo w
th eminimum .
XAddwasher flui d (Ypage 239).
SmartKey
Display messagesPossible causes/consequences and MSolutions
Â
KeyDoesNotBelongto Vehicl e
You haveput th ewrong SmartKey in th eignition lock.
XUse th ecorrec tSmartKey.
Â
Tak eYou rKey fro mIgnition
The SmartKey is in th eignition lock.
XRemove th eSmartKey.
Â
Obtain aNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Warning and indicat orlamps in the
instrume nt cluster
Overview ofwarning and indicat or
lamps
L Low-beam headlamp s (Ypage 84)
#
! Turn signal
(
Ypage 88) K
High-beam headlamp s (
Ypage 88)
R Rear fog lamp (
Ypage 86)
ü Seat belts (
Ypage 204)
$
(USA) Brake
s (
Ypage 205)
J
(Can -
ada) Brake
s(yellow) (
Ypage 205)
202Warning and indicator lamps in the instrument cluster
On-board computer and displays