2016 MERCEDES-BENZ METRIS engine

Display messagesPossible causes/consequences andMSolutions
Check CoolantLevel
+
The coolan tlevel is to olow.
!Avoid making lon gjou rneys wit htoo littl ecoolan tint heengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAddc oolant, making sur etoobservethe warning note s
(Ypage 244).
XHav ethe engin ecoolings ystem checke dataqualified specialist
workshop if th ecoolan tneeds to be refilled mor eoften than usual.
4
Check Engine OilLevel
An additional warning tone sounds. The engin eoil level has dropped to
th em inimum level.
XChec kthe oil level at th elatest when next refuelin g(Ypage 242).
XIf necessary, add engineoil(Ypage 243).
XHav ethe engin echecked ataq ualified specialist workshop if you
need to add engin eoil mor eoften than usual.
!Avoid lon gjou rneys wit htoo littl eengineo il. The engin ewill oth-
erwise be damaged.
Manually Check OilLevelReminder to chec kthe oil level.
XChec kthe oil level at th elatest when next refuelin g(Ypage 242).
XIf necessary, add engineoil(Ypage 243).
!Avoid lon gjou rneys wit htoo littl eengineo il. The engin ewill oth-
erwise be damaged.
4
Sto pVehicl eTurnEng .Off
The oil level is to olow. There is ariskofe ngined amage.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions, and switch off th eengine.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XChec kthe oil level (Ypage 242).
XIf necessary, add engin eoil(Ypage 243).
æ
Reserv eFuel
The fuel level has dropped to th ereserv erange.
XRefue lattheneares tgas station .
ÏThere is ver ylittl efuel in th efuel tank.
XRefue lattheneares tgas station without fail .
Driving systems
Display messagesPossible causes/consequences and MSolutions
120 km/h!Only for certain countries: themaximum speed has been exceeded .
XDrive moreslowly.
Maximu mSpeed 120km/hOnly for certain countries: th emaximum speed has been exceeded .
XDrive moreslowly.
198Display message s(vehicles withou tsteering wheelbuttons)
On-board computera nd displays

Engine
Display messagesPossible causes/consequences andMSolutions
#An additional warning tone sounds. The battery is no tbeingc harged.
Possible causes:
Rfault yalternator
Rtorn poly-V-belt
Ram alfunctio nintheelectronics
XStop th evehicle immediately, payinga ttention to road and traffic
conditions, and switch off th eengine.
!Do no tcontinue driving .The engine coul dotherwise overheat.
XSecure th evehicle to prevent it from rolling away (Ypage 132).
XConsult aqualified specialist workshop.
?
CoolantT oo Hot:StopVehicleT urnEngine Off
An additional warning tone sounds. The coolant is to ohot.
GWARNING
Never driv ewith an overheate dengine .Drivin gw hen th eengine is
overheate dcan caus efluids whichm ay have leaked int othe engine
compartmen ttocatch fire.
In addition,s team from an overheate dengine can caus eserious
burns, whichc an occur justbyopening th ehood.
Thereisar isk of injury.
XStop thevehicle immediately, payinga ttention to road and traffic
conditions, and switch off th eengine.
XSecure th evehicle to prevent it from rolling away (Ypage 132).
XWait until th eengine has cooled down.
XMakes ure that th eair supply to th eradiator is no tobstructed, by
frozen slush for example.
XDo no tstart th eengine again until th edisplay message goes out and
th ec oolant temperatur eisbelow th emaximum value specified. The
engine coul dotherwise be damaged.
XMonito rthe ? coolant temperatur egage in th einstrumen tclus-
ter.
XIf th etem peratur eincreases again,v isitaq ualified specialist work-
shop immediately.
Under normal operatin gconditionsa nd with thespecifie dcoolant
level, the ?gage may rise to 24 8‡(120† ).
Displa ymessages (vehicles with steerin gwheel buttons)211
On-boardc omputer and displays
Z

Display messagesPossible causes/consequences andMSolutions
?The fan motor is faulty.
XCheckthe ? coolan ttem perature gage in th einstrumen tclus -
ter.
If th ecoolan ttem perature is belo wthe maximum value specified
below, you can continu edrivin gtot heneares tqualified specialist
workshop .
Avoid heav yloads on th eengine, e.g. drivin ginmountainous terrain ,
and stop-and-g otraffic.
Under normal operating condition sand wit hthe specified coolan t
level, th e? gage may ris eto2 48 ‡(120† ).
+
CheckCoolan tLevelSee Oper. Manual
The coolan tlevel is to olow.
!Avoid making lon gjou rneys wit htoo littl ecoolan tint heengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAddc oolant, making sur etoobservethe warning note s
(Ypage 244).
XHav ethe engin ecoolings ystem checke dataqualified specialist
workshop if th ecoolan tneeds to be refilled mor eoften than usual.
4
CheckEngineOilAtNex tRefueling
An additional warning tone sounds. The engin eoil level has dropped to
th em inimum level.
XChec kthe oil level at th elatest when next refuelin g(Ypage 242).
XIf necessary, add engineoil(Ypage 243).
XHav ethe engin echecked ataq ualified specialist workshop if you
need to add engin eoil mor eoften than usual.
!Avoid lon gjou rneys wit htoo littl eengineo il. The engin ewill oth-
erwise be damaged.
4
Manually Check OilLevel
Reminder to chec kthe oil level.
XChec kthe oil level at th elatest when next refuelin g(Ypage 242).
XIf necessary, add engineoil(Ypage 243).
!Avoid lon gjou rneys wit htoo littl eengineo il. The engin ewill oth-
erwise be damaged.
4
Eng .OilLevelLow:StopVehicl eTurnEngine Off
The oil level is to olow. There is ariskofe ngined amage.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions, and switch off th eengine.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XChec kthe oil level (Ypage 242).
XIf necessary, add engin eoil(Ypage 243).
æ
Fue lLevel Low
The fuel level has dropped to th ereserv erange.
XRefue lattheneares tgas station .
ÏThere is ver ylittl efuel in th efuel tank.
XRefue lattheneares tgas station without fail .
212Display messages(vehicles wit hsteering whee lbuttons)
On-board computera nd displays

Drivingsystems
Display messagesPossible causes/consequences an dMSolutions
120 km/h!
Maximu mSpeedExcee‐ded
Only forcertai ncountries: th emaximum speed has bee nexcee ded.
XDrive more slowly.
À
Attention AssistInoperative
ATTENTION ASSIST has failed.
XVisit aqualified specialis tworkshop .
Attention Assist :TakeaB reak!Based on certain criteria, ATTENTION ASSIST has detecte dfatigue or
al ac kofc oncentrat ion on thepartoft hedriver .Anadditional warnin g
tone sounds.
XIf necessary, take abreak .
Durin glon gjou rneys, take regular break singoodt imesot hatyou get
enough rest.
Par kAssistCanceledAdditionally, awarnin gton es ounds. The active parking assistanc ehas
bee ncanceled and Active Parking Assis thas ended automatically. Fo r
example, you hav etouched th esteerin gwhee lord riven to ofast.
XSteer and brake yourself.
XRepeat th eparking procedur eifnecessary. Observ ethe deactiva-
tion condition sasyou do so (Ypage 158).
ParkA ssist Inoper ‐ativePARKTRONIC is malfunctionin gorfaulty.
XFollow th einstructions and helpfulhints in th e"Problems wit h
PARKTRONIC" section (Ypage 154).
XIf thedisplay messag econtinu es to be shown ,consu ltaq ualified
specialis tworkshop .
Active Parking Assis tisunavailable or faulty.
XSwitc hoffthei gnition .
XStart th eenginea gain .
XIf thedisplay messag econtinu es to be shown or symbol jis no t
shown in th edisplay, consult aqualified specialis tworkshop .
Collision Preven ‐tionA ssist Inoper ‐ative
COLLISION PREVENTION ASSIST PLU Sisnotavailable due to amal-
function .
XVisitaqualified specialis tworkshop .
Display message s(vehicles wit hsteering whee lbuttons)21 3
On-board computera nd displays
Z

Display messagesPossible causes/consequences andMSolutions
Collision Preven‐tionAssist Cur ‐rentlyUnavail.SeeOper. Manual
COLLISION PREVENTION ASSIST PLU Sistemporarily inoperative.
Possibl ecauses:
RThe sensor sinthefron tbumper are dirty.
RThe function is impaire ddue to heav yrain or snow.
RThe radar sensor system is temporarily inoperative, e.g. due to
electromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation .
RThe system is outside th eoperating temperature range.
RThe on-boar dvoltag eistoolow.
Once th ecauses listed abov enolonger apply, th edisplay message
goe sout and COLLISION PREVENTION ASSIST is operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicle, payin gattention to roa dand traffic
conditions.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XSwitc hoff th eengine.
XClean th esensor sinthefron tbumper (Ypage 257).
XRestart th eengine.
Lan eKeepin gAssistInoperativeLaneKeepin gAssistisf aulty.
XVisit aqualified specialist workshop .
LaneKeepin gAssistCurrently Unavail.See Oper. Manual
LaneKeepin gAssistisd eactivated and temporarily inoperative. Pos -
sibl ecauses:
RThe windshield is dirty in th ecamera' sfield of vision .
RVisibilityisimpaire ddue to heav yrain ,sno worf og.
RThere are no lan emarking sfor an extended period of time.
RThe lan emarking sare wor naway, dark or covered, e.g. by dir tor
snow.
Once th ecauses listed abov enolonger apply, th edisplay message
goe sout and Lan eKeepin gAssistiso perational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicle, payin gattention to roa dand traffic
conditions.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XClean th ewindshield.
Cruise Contro lLDC_Spd_DsrspeedUnit
Aconditi on for activating cruise control has no tbeen met .
You hav etried to store aspeed belo w20m ph(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 cruis econtrol (Ypag e140).
214Display messages (vehiclesw iths teering wheel buttons)
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
Blind SpotAssistInoperativeBlind Spot Assis tisfaulty.
XVisit aqualified specialist workshop .
Blind SpotAssistCurrently Unavail.See Operator' sMan‐ual
Blind Spot Assis tistemporarily inoperative. Possibl ecauses:
RYou hav eattached atrailer .
RThe sensor sintherear bumper are dirty.
RThe function is impaire ddue to heav yrain or snow.
RThe radar sensor system is temporarily inoperative, e.g. due to
electromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation .
RThe system is outside th eoperating temperature range.
Once th ecauses listed abov enolonger apply, th edisplay message
goe sout and Blind Spot Assis tisoperational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicle, payin gattention to roa dand traffic
conditions.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XSwitc hoff th eengine.
XClean th esensor sintherear bumper (Ypage 257).
XRestart theengine.
Display message s(vehicles wit hsteering whee lbuttons)21 5
On-board computera nd displays
Z

Display messagesPossible causes/consequences andMSolutions
Wheel Sensor(s)MissingThere is no signal from th etirep ressur esensor of on eorseveral
wheels. The pressur eoftheaffecte dtireisn otshown in th edisplay.
XHav ethe fault ytirep ressur esensor replace dataqualified special -
ist workshop .
TirePressure Moni‐tor Inoperative NoWheel Sensor s
The wheels installed do no thaves uitable tire pressur esensors. The
tire pressur emonitor is deactivated.
XInstall wheels wit hsuitable tire pressur esensors.
The tire pressur emonitor is activated automatically after drivin gfor
af ew minutes.
Tir ePress.Monito rInoperativeThe tire pressur emonitor is malfunctioning .
XVisitaqualified specialist workshop .
Vehicle
Display messagesPossible causes/consequences and MSolutions
Shiftto'P'or'N'to Start EngineYou haveattempte dtostart th eenginew itht he transmission in posi-
tion Ror D.
XShift th etransmission to position Por N.
Auxiliary Batter yMalfunctionThe auxiliary battery for th etransmission is no longer bein gcharged.
XVisit aqualified specialist workshop .
Apply Brake toShift from'P'You hav eattempte dtomovet he transmission selector lever to posi-
tion D,Ror Nwithout depressing th ebrak epedal .
XDepress th ebrak epedal .
RiskofR olling:TransmissionNotinP
An additional warning tone sounds. The driver's door is open and th e
transmission is in position R,N or D.
XShift th etransmission to position P.
XSecurethe vehicl etopreventitfromr ollin gaway (Ypage 132).
Servic eRequiredDoNot Shift GearsVisit Dealer
An additional warning tone sounds. You canno tchang et he transmis -
sion position due to amalfunction .
If transmission position Dis selected:
XDrive to aqualified specialist workshop without shifting th etrans -
mission from position D.
If transmission position R,N or Pis selected:
XConsult aqualified specialist workshop .
OnlyShift to 'P'whenVehicl eisSta‐tionar y
The vehicl eisstill moving .
XPull overand stop th evehicle, payin gattention to roa dand traffic
conditions.
XShift th etransmission to position P.
Display messages(vehicles wit hsteering whee lbuttons)21 7
On-board computera nd displays
Z

Display messagesPossible causes/consequences andMSolutions
ÒThe tailgateisopen.
XClos ethe tailgate.
ÑThe rear door is open .
XClosethe rear door(s).
ÓAn additional warning tone sounds. The hoo disopen.
GWARNIN G
The open hoo dmay then bloc kyour vie wwhen th evehicl eisinm otion.
There is ariskofana ccident.
XStop thevehicl eimmediately, payin gattention to roa dand traffic
conditions.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XClosethe hood.
CAn additional warning tone sounds while th evehicl eisinm otion.The
display shows th eopen door(s).
XClos eall doors.
Ð
Power Steering Mal ‐function See Oper.Manual
An additional warning tone sounds. The steering powe rassistanc e
could be malfunctioning .You may need to steer mor eforcefully.
XCarefully continu etoaqualified specialist workshop and hav ethe
steering checke dimmediately.
Â
Obtain aNew Key
The ke yneeds to be replaced.
XVisit aqualified specialist workshop .
Phone No ServiceYour vehicleisoutside th enetwork provider' stransmitter/receiver
range.
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped belo w
th em inimum .
XAddw asher flui d(Ypage 246).
Indicatorand warning lamps in th einstrume nt cluster
Generaln otes
Whe nswitching on th eignition ,som esystems carry out aself-test .Som eindicator and warning
lamp smay temporarily tur nonorstart to flash. This is no tanindication of any problem .Onlyw hen
these indicator and warning lights tur nonorstart flashin gafter th eengineh as started or during th e
journey has amalfunction occurred .
218Indicator and warning lamps in th einstrument cluster
On-board computera nd displays