2016 MERCEDES-BENZ METRIS buttons

Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Disabled
+
The front-passenger air bag is deactivated during th ejou rney eve n
though th efront-pa ssenger seat is occupied by an adult or aperson
wit has tatur ec orre spondin gtothato fana dult.
If additional force sare applie dtotheseat or th eoccupant is no tsitting
on th eseat properly (
Ypage 51), theweigh tthe system detects may
be to olow.
GWARNIN G
The front-passenger fron tair bag will no tdeploy in th eevent of an
accident.
There is an increased ris kofinjury.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XSwitc hoff th eignition .
XThe fron tpassenger mus tget out of th evehicle.
XMak esuret hatthe front-passenger seat is unoccupied ,close th e
front-passenger door and switch on th eignition .
XObserv ethe PASSENGER AI RBAG OFFindicator lamp in th ecenter
console and th edisplay message sand chec kthe following:
Seat unoccupied and ignition switched on :
RThe PASSENGER AIRBAG OFFindicator lamp mus tligh tupc ontin-
uously. If th eindicator lamp is on ,the Occupant Classification Sys -
te m( OCS )has disabled th efront-pa ssenger air bag (
Ypage 51).
RThe display mus tnotsho wthe message sFrontPassengerAir ‐bag Enable dorFront Passenger Airbag Disabled.
XWait for at least on eminute until th eneces sarysystem checks hav e
been completed.
XEnsur ethatthe display does no tsho we ither of th etwo display
message sabout th efront-pa ssenger fron tair bag.
If these condition sare met ,the front-passenger seat can be occupied
again .
If these condition sare no tmet,t he Occupant Classification Syste m
(OCS )ism alfunctioning .
XVisitaqualified specialist workshop immediately.
Further information on th eOccupant Classification Syste m(OCS )can
be found under "Occupant Classification Syste m(OCS)" (
Ypage 51).
190Display message s(vehicles withou tsteering wheelbuttons)
On-board computera nd displays

Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Enable d
+
The front-passenger fron tair bag is enabled during th ejou rney eve n
though th efront-pa ssenger seat :
Ris occupied by achild in achild restrain tsystem, or aperson of small
statur e
or
Ris no toccupied.
The system may detec tobjects or force stha tare addin gtotheweigh t
applie dtotheseat .
GWARNIN G
The front-passenger air bag may deploy unintentionally.
There is an increased ris kofinjury.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XSwitc hoff th eignition .
XOpenthe front-passenger door .
XRemove thechild and th echild restrain tsystem from th efront -
passenger seat .
XMakesuret here are no objects applyin gadditional weigh ttothe
seat .
The system may otherwise detec tthe additional weigh tand inter-
pre tthe seat occupant's weigh tasgreatertha nita ctually is.
XMakesuret hatthe front-passenger seat is unoccupied ,close th e
front-passenger door and switch on th eignition .
XObserv ethe PASSENGER AI RBAG OFFindicator lamp in th ecenter
console and th edisplay and chec kthe following:
Seat unoccupied and ignition switched on :
RThe PASSENGER AIRBAG OFFindicator lamp mus tligh tupc ontin-
uously. If th eindicator lamp is on ,the Occupant Classification Sys -
te m( OCS )has disabled th efront-pa ssenger air bag (
Ypage 51).
RThe display mus tnotsho wthe message sFrontPassengerAir ‐bag Enable dorFront Passenger Airbag Disabled.
XWait for at least on eminute until th eneces sarysystem checks hav e
been completed.
XEnsur ethatthe display does no tsho we ither of th etwo display
message sabout th efront-pa ssenger fron tair bag.
If these condition sare met ,the front-passenger seat can be occupied
again .Observ ethe note sont heOccupant Classification Syste m
(OCS )(
Ypage 51) .
If these condition sare no tmet,t he Occupant Classification Syste m
(OCS )ism alfunctioning .
XInstall thechild restrain tsystem on asuitable rear seat .
or
XSeat aperson of small statur eonasuitable rear seat .
XVisitaqualified specialist workshop immediately.
Display message s(vehicles withou tsteering wheelbuttons)19 1
On-board computera nd displays
Z

Display messagesPossible causes/consequences andMSolutions
Further information on theOccupant Classification Syste m(OCS )can
be found under "Occupant Classification Syste m(OCS)" (Ypage 51).
#
CheckBrakePadWear
The brak epads/linings hav ereached their wear limit.
XVisit aqualified specialist workshop .
$(USA
only)
J(Canada
only)
Check Brake Fluid
Level
There is insufficien tbrak efluidint hebrak efluid reservoir .
GWARNING
Braking performance can be impaired.
There is ariskofana ccident.
XStop thevehicl eimmediately, payin gattention to roa dand traffic
conditions. Do no tcontinue drivingunder any circumstances.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XDo no tadd brak efluid .Addingm orew ill no tremedy th emalfunc -
tion .
XConsult aqualified specialist workshop .
EBD,ABS,E SP Inop‐erativ e
+
EBDisu navailable due to amalfunction .ABS ,BAS ,hill start assist and
ES P®as well as it sdrivin gsafet ysystems ,for example, are therefor e
also unavailable .
ATTENTION ASSIST is deactivated and other drivin gsystems could be
automatically deactivated.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above. The wheels could therefor eloc kp rematurel yif
you brak ehard, for example.
This causes steerabilit yand braking to be greatl yimpaired. The brak -
ing distanc ecan increas einemergenc ybraking situations.
If ES P
®is no toperational, ES P®will notstabiliz ethe vehicle.
There is an increased ris kofskiddin gand accidents .
XDrive on withcare.
XVisit aqualified specialist workshop immediately.
192Display message s(vehicles withou tsteering wheelbuttons)
On-board computera nd displays

Display messagesPossible causes/consequences andMSolutions
÷
Inoperative+
ESP®,BAS and hill start assist are unavailable due to amalfunction .
ATTENTION ASSIST is deactivated and other drivin gsystems could be
automatically deactivated.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above.
The braking distanc einanemergenc ybraking situation can thus
increase.
If ES P
®is no toperational, ES P®will notstabiliz ethe vehicle.
There is an increased ris kofskiddin gand accidents .
XDrive on withcare.
XVisit aqualified specialist workshop .
÷
Currently Unavail.
+
ESP®,BAS and hill start assist are unavailable due to amalfunction .
The self-diagnosis function ,for example, may no tbecomplete.
ATTENTION ASSIST is deactivated and other drivin gsystems could be
automatically deactivated.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above. The wheels could therefor eloc kify ou brak e
hard, for example.
The braking distanc einanemergenc ybraking situation can thus
increase.
If ES P
®is no toperational, ES P®will notstabiliz ethe vehicle.
There is an increased ris kofskiddin gand accidents .
XDrive on withcareonas uitable stretch of road, making mak eslight
steering movement sataspeed abov e12mph(20 km/ h).
If the display messag edisappears, the functions mentioned above
are available again.
If the display message continues to be displayed:
XDrive on with care.
XVisit aqualifieds pecialist workshop.
F(USA
only)
!(Canada
only)
Release Park. Brake
The red F(USA only)/! (Canada only) indicator lamp in the
instrument cluster lights up and awarning tone also sounds.
You are driving with the parking brake applied or are making an emer-
gency stop using the parking brake.
XRelease the parking brake (Ypage 133).
Display messages( vehicles without steeringw heel buttons)193
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
6
MalfunctionServiceReq.
The restrain tsystem is faulty. In addition ,the 6 warning lamp
lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XHavethe restrain tsystem and it scom ponent schecked immedi-
ately at aqualified specialist workshop .
Further information on th erestrain tsystem and it scom ponent scan
be found under "Occupant safety" (
Ypage 43).
6
Fr. LeftMalf. Ser ‐viceReq.or Fr.RightMalf.Servic eReq.
The fron tleftorr ight restrain tsystem is malfunctioning .Inaddition ,
th e6 warning lamp lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XHavethe restrain tsystem and it scom ponent schecked immedi-
ately at aqualified specialist workshop .
LeftCurtai nAirbagServiceRequiredor
Rt. Curtai nAirbag
Servic eRequired
There is amalfunction in th eleftorr ight window curtai nair bag. In
addition ,the 6 warning lamp lights up in th einstrumen tcluster.
GWARNIN G
The lef torright window curtai nair bag may either be triggered unin-
tentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XHavethe restrain tsystem checke dimmediately at aqualified spe -
cialist workshop .
Lights
Display messagesPossible causes/consequences and MSolutions
b
CheckLeftLowBeamorCheck Right LowBea m
The lef torright-hand low-beam headlamp is faulty.
XChange th ebulb (Ypage 98).
b
Chk .Traile rL.TurnSig.or Chk .Traile rR.TurnSig.
The lef torright-hand trailer tur nsignal lamp is faulty.
XChange th ebulb (see th etrailer manufacturer' soperating instruc-
tions).
194Display message s(vehicles withou tsteering wheelbuttons)
On-board computera nd displays

Display messagesPossible causes/consequences andMSolutions
b
Chk.Traile rBrakeLamp
The trailer brak elamp is faulty.
XChange th ebulb (see th etrailer manufacturer' soperating instruc-
tions).
b
Chk .Traile rL.TailLampor Chk .Traile rR.TailLamp
The lef torright-hand trailer tai llamp is faulty.
XChange th ebulb (see th etrailer manufacturer' soperating instruc-
tions).
b
Aut oLamps Inopera‐tive
The ligh tsensor is faulty. The automatic headlamp feature is mal-
functioning .
XSwitchthe ligh tfunction son/of fmanually (Ypage 92).
XVisitaqualified specialist workshop .
b
Chk.RearL.T urnSignalor Chk .RearR. Tur nSignal
The rear left-han dorrear right-hand tur nsignal is faulty.
XChange th ebulb (Ypage 98).
b
Chk .Front L. Tur nSignalorChk .FrontR.TurnSignal
The fron tleft-han dorfrontright-hand tur nsignal is faulty.
XChange th ebulb (Ypage 98).
b
Chk .Center BrakeLamp
The high-mounte dbrak elamp is faulty.
XVisit aqualified specialist workshop .
b
Chk.L.Tail/BrakeLamporChk .R.Tail/ Brake Lam p
The leftorright-hand tai llamp/brake lamp is faulty.
XChange th ebulb (Ypage 98).
b
Check Lef tHighBea morCheck RightHig hBeam
The lef torright-hand high-beam headlamp is faulty.
XChange th ebulb (Ypage 98).
b
Licens ePlate Lam p
The leftorright-hand license plat elamp is faulty.
XVisit aqualified specialist workshop .
b
Switch Off Lights
The lights are still switched on when you leav ethe vehicle. An addi-
tional warning tone sounds.
XTurn th eligh tswitch to Ãor$.
Display message s(vehicles withou tsteering wheelbuttons)19 5
On-board computera nd displays
Z

Display messagesPossible causes/consequences andMSolutions
b
CheckLeftFogLamporCheck Right FogLam p
The left-han dorright-hand fron tfog lamp is faulty.
XVisit aqualified specialist workshop .
b
RearFog Lam p
The rear fog lamp is faulty.
XChange th ebulb (Ypage 98).
b
Chk .Front L. Park‐ing Lam porChk .Front R. Parkin gLamp
The fron tleftorf rontright parking lamp or standing lamp is faulty.
XChange th ebulb (Ypage 98).
b
Backup Light
The lef torright-hand backup lamp is faulty.
XChange th ebulb (Ypage 98).
b
Check Lef tTailLam porCheck RightTai lLamp
The lef torright-hand tai llamp is faulty.
XChange th ebulb (Ypage 98).
b
Malfunction
The exterio rlighting is faulty.
XVisit aqualified specialist workshop .
Vehicles withtrailer to whitch :af usem ay be defective.
XChec kthe fuses and if necessar yreplace any blown fuses (see th e
"Fus eallocation "supplement) .
XIf thedisplay message does no tdisappear ,consul taqualified spe -
cialist workshop .
b
Chk.L.DayRunnin gLgt.orChk .R.D ayRunningLgt.
The lef torright-hand daytime runnin glamp is faulty.
XChange th ebulb (Ypage 98).
196Display 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.
?
StopV ehicleT urnEng.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.
XPay attention to th ecoolant temperatur egage (Ypage 172).
XIf th etem peratur eincreases again,v isitaq ualified specialist work-
shop immediately.
Under normal operatin gconditionsa nd with thespecifie dcoolant
level, th ecoolant temperatur egage may rise to 24 8‡(120† ).
?The fan motor is faulty.
XCheckt hecoolant temperatur e(Ypage 172).
XIf thecoolant temperatur eisbelow th emaximum value specified
below, you can continue driving to th enearest qualified specialist
workshop.
Avoid heavyl oads on theengine ,e.g.d riving in mountainous terrain,
and stop-and-go traffic.
Under normal operatin gconditionsa nd with thespecifie dcoolant
level, th ecoolant temperatur egage may rise to 24 8‡(120† ).
Displa ymessages (vehicles without steerin gwheel buttons)197
On-boardc omputer and displays
Z