2017 MERCEDES-BENZ METRIS ignition

Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Disabled
+
The front-passenger air bag is deactivated during th ejourney eve n
though th efront-passenger seat is occupied by an adult or aperson
wit h a statur ecorrespondin gto that of an adult .
If additional force sare applie dto th eseat or th eoccupant is no tsitting
on th eseat properly (
Ypage 53), theweigh tth esystem 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 kof injury.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions.
XSecur eth evehicl eto preven tit from rollin gaway (Ypage 133).
XSwitchoff th eignition .
XThe fron tpassenger mus tget out of th evehicle.
XMak esur ethat th efront-passenger seat is unoccupied ,close th e
front-passenger door and switch on th eignition .
XObserveth ePASSENGER AIRBA GOF Findicator lamp in th ecenter
console and th edisplay message sand chec kth efollowing:
Seat unoccupied and ignition switched on :
RThe PASSENGER AIRBAGOF Findicator lamp mus tligh tup contin-
uously. If th eindicator lamp is on ,th eOccupant Classification Sys -
te m (OCS )has disabled th efro
nt-passenger air bag
(Ypage 53).
RThe display mus tno tsho wthemessage sFrontPassengerAir ‐bag Enable dorFront Passenger Airbag Disabled.
XWait for at least on eminute until th enecessar ysystem checks hav e
been completed.
XEnsur ethat th edisplay does no tsho weither of th etwo display
message sabout th efront-passenger fron tair bag.
If these condition sare met ,th efront-passenger seat can be occupied
again .
If these condition sare no tmet ,th eOccupant Classification Syste m
(OCS )is malfunctioning .
XVisitaqualified specialist workshop immediately.
Further information on th eOccupant Classification Syste m(OCS )can
be found under "Occupant Classification Syste m(OCS)" (
Ypage 53).
Display messages (vehicles without steering wheelbu ttons)191
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Enable d
+
The front-passenger fron tair bag is enabled during th ejourney eve n
though th efront-passenger seat :
Ris occupied byachild in achild restrain tsystem, or aperson of small
statur e
or
Ris no toccupied.
The system may detec tobjects or force sthat are addin gto th eweigh t
applie dto th eseat .
GWARNIN G
The front-passenger air bag may deploy unintentionally.
There is an increased ris kof injury.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions.
XSecur eth evehicl eto preven tit from rollin gaway (Ypage 133).
XSwitchoff th eignition .
XOpenth efront-passenger door .
XRemove thechild and th echild restrain tsystem from th efront-
passenger seat .
XMakesur ethere are no objects applyin gadditional weigh tto th e
seat .
The system may otherwise detec tth eadditional weigh tand inter-
pre tth evehicl eseat occupant's weigh tas greate rthan it actually is.
XMak esur ethat th efront-passenger seat is unoccupied ,close th e
front-passenger door and switch on th eignition .
XObserveth ePASSENGER AIRBA GOF Findicator lamp in th ecenter
console and th edisplay and chec kth efollowing:
Seat unoccu
pied and ignition switched on :
RThe PASSENGER AIRBAGOF Findicator lamp mus tligh tup contin-
uously. If th eindicator lamp is on ,th eOccupant Classification Sys -
te m (OCS )has disabled th efront-passenger air bag (
Ypage 53).
RThe display mus tno tsho wthemessage sFrontPassengerAir ‐bag Enable dorFront Passenger Airbag Disabled.
XWait for at least on eminute until th enecessar ysystem checks hav e
been completed.
XEnsur ethat th edisplay does no tsho weither of th etwo display
message sabout th efront-passenger fron tair bag.
If these condition sare met ,th efront-passenger seat can be occupied
again .Observ eth enote son th eOccupant Classification Syste m
(OCS ) (
Ypage 53) .
If these condition sare no tmet ,th eOccupant Classification Syste m
(OCS )is malfunctioning .
XInstall thechild restrain tsystem on asuitable rear seat .
or
XSeat aperson of small statur eon asuitable rear seat .
XVisitaqualified specialist workshop immediately.
192Display messages (vehicles without steering wheelbu ttons)
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Disabled SeeOperator' sManual
The front-passenger air bag is deactivated during th ejourney eve n
though th efront-passenger seat is occupied by an adult or aperson
wit h a statur ecorrespondin gto that of an adult .
If additional force sare applie dto th eseat or th eoccupant is no tsitting
on th eseat properly (
Ypage 53), theweigh tth esystem 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 kof injury.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions.
XSecur eth evehicl eto preven tit from rollin gaway (Ypage 133).
XSwitchoff th eignition .
XThe fron tpassenger mus tget out of th evehicle.
XMak esur ethat th efront-passenger seat is unoccupied ,close th e
front-passenger door and switch on th eignition .
XObserveth ePASSENGER AIRBA GOF Findicator lamp in th ecenter
console and th edisplay message sand chec kth efollowing:
Seat unoccupied and ignition switched on :
RThe PASSENGER AIRBAGOF Findicator lamp mus tligh tup contin-
uously. If th eindicator lamp is on ,th eOccupant Classification Sys -
te m (OCS )has disabled th efro
nt-passenger air bag
(Ypage 53).
RThe display mus tno tsho wthemessage sFrontPassengerAir ‐bag Enable dSee Operator' sManualor Front PassengerAirbag Disabled See Operator' sManual.
XWait for at least on eminute until th enecessar ysystem checks hav e
been completed.
XEnsur ethat th edisplay does no tsho weither of th etwo display
message sabout th efront-passenger fron tair bag.
If these condition sare met ,th efront-passenger seat can be occupied
again .
If these condition sare no tmet ,th eOccupant Classification Syste m
(OCS )is malfunctioning .
XVisitaqualified specialist workshop immediately.
Further information on th eOccupant Classification Syste m(OCS )can
be found under "Occupant Classification Syste m(OCS)" (
Ypage 53).
Display messages (vehicles withsteering whee lbu ttons)205
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Enable dSeeOperator' sManual
The front-passenger fron tair bag is enabled during th ejourney eve n
though th efront-passenger seat :
Ris occupied byachild in achild restrain tsystem, or aperson of small
statur e
or
Ris no toccupied.
The system may detec tobjects or force sthat are addin gto th eweigh t
applie dto th eseat .
GWARNIN G
The front-passenger air bag may deploy unintentionally.
There is an increased ris kof injury.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions.
XSecur eth evehicl eto preven tit from rollin gaway (Ypage 133).
XSwitchoff th eignition .
XOpenth efront-passenger door .
XRemove thechild and th echild restrain tsystem from th efront-
passenger seat .
XMakesur ethere are no objects applyin gadditional weigh tto th e
seat .
The system may otherwise detec tth eadditional weigh tand inter-
pre tth evehicl eseat occupant's weigh tas greate rthan it actually is.
XMak esur ethat th efront-passenger seat is unoccupied ,close th e
front-passenger door and switch on th eignition .
XObserveth ePASSENGER AIRBA GOF Findicator lamp in th ecenter
console and th edisplay and chec kth efollowing:
Seat unoccu
pied and ignition switched on :
RThe PASSENGER AIRBAGOF Findicator lamp mus tligh tup contin-
uously. If th eindicator lamp is on ,th eOccupant Classification Sys -
te m (OCS )has disabled th efront-passenger air bag (
Ypage 53).
RThe display mus tno tsho wthemessage sFrontPassengerAir ‐bag Enable dSee Operator' sManualor Front PassengerAirbag Disabled See Operator' sManual.
XWait for at least on eminute until th enecessar ysystem checks hav e
been completed.
XEnsur ethat th edisplay does no tsho weither of th etwo display
message sabout th efront-passenger fron tair bag.
If these condition sare met ,th efront-passenger seat can be occupied
again .Observ eth enote son th eOccupant Classification Syste m
(OCS ) (
Ypage 53) .
If these condition sare no tmet ,th eOccupant Classification Syste m
(OCS )is malfunctioning .
XInstall thechild restrain tsystem on asuitable rear seat .
or
XSeat aperson of small statur eon asuitable rear seat .
206Display messages (vehicles withsteering whee lbu ttons)
On-board computer and displays

Drivingsystems
Display messagesPossible causes/consequences an dMSolutions
120 km/h!
Maximu mSpeedExcee‐ded
Only forcertain countries: th emaximum speed has bee nexceeded.
XDrive more slowly.
À
Attention AssistInoperative
ATTENTION ASSIST has failed.
XVisit aqualified specialis tworkshop .
Attention Assist :Take a Break!Based on certain criteria, ATTENTION ASSIST has detecte dfatigue or
a lac kof concentration on th epar tof th edriver .An additional warnin g
tone sounds.
XIf necessary, take abreak .
Durin glon gjourneys, take regular break sin goo dtime so that you get
enough rest.
Par kAssistCanceledAdditionally, awarnin gtone sounds. The active parking assistanc ehas
bee ncanceled and Active Parking Assis thas ended automatically. Fo r
example, you hav etouched th esteerin gwhee lor driven to ofast.
XSteer and brake yourself.
XRepeat th eparking procedur eif necessary. Observ eth edeactiva-
tion condition sas you do so (Ypage 158).
ParkAssist Inoper ‐ativePARKTRONIC is malfunctionin gor faulty.
XFollow th einstruction sand helpfu lhints in th e"Problems wit h
PARKTRONIC" section (Ypage 154).
XIf thedisplay messag econtinues to be shown ,consult aqualified
specialis tworkshop .
Active Parking Assis tis unavailable or faulty.
XSwitc hof fth eignition .
XStart th eengin eagain .
XIf thedisplay messag econtinues to be shown or symbol jis no t
shown in th edisplay, consult aqualified specialis tworkshop .
Collision Preven ‐tionAssist Inoper ‐ative
COLLISION PREVENTION ASSIST PLU Sis no tavailable due to amal-
function .
XVisitaqualified specialis tworkshop .
214Display messages (vehicles withsteering whee lbu ttons)
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
ÒThe tailgateis open .
XCloseth etailgate.
ÑThe rear door is open .
XCloseth erear door(s).
ÓAn additional warning tone sounds. The hoo dis open .
GWARNIN G
The open hoo dmay then bloc kyour vie wwhen th evehicl eis in motion .
There is aris kof an accident.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions.
XSecur eth evehicl eto preven tit from rollin gaway (Ypage 133).
XCloseth ehood.
CAn additional warning tone sounds while th evehicl eis in motion .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 eto aqualified specialist workshop and hav eth e
steering checke dimmediately.
Â
Obtain aNew Key
The ke yneeds to be replaced.
XVisit aqualified specialist workshop .
Phone No ServiceYour vehicleis outside th enetwork provider' stransmitter/receiver
range.
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped belo w
th eminimum .
XAddwasher flui d (Ypage 256).
Indicatorand warning lamps in the instrume nt cluster
General notes
Whe nswitching on th eignition ,som esystems carry out aself-test .Some indicator and warning
lamp smay temporarily tur non or start to flash. This is no tan indication of any problem .Only when
these indicator and warning lights tur non or start flashin gafter th eengin ehas started or during th e
journey has amalfunction occurred .
Indicator and warning lamps in the instrument cluster219
On-board computer and displays
Z

Seat belts
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
üNAfter starting the engine, the red seat belt warning lamp lights up or flashes. A
warning tone may also sound.
Only for certain countries: the red seat belt warning lamp lights up for a maximum
of 6 seconds after the ignition is switched on.
The seat belt warning lamp reminds the driver and front-passenger to fasten their
seat belts.
XFasten seat belt (Ypage 48).
üN The red seat belt warning lamp lights up after the engine starts, as soon as the
driver's or the front-passenger door is closed.
The driver or front-passenger has not fastened their seat belt.
XFasten seat belt (Ypage 48).
The warning lamp goes out.
On vehicles with the Occupant Classification System (OCS), there are objects on
the front-passenger seat.
XRemove the objects from the front-passenger seat and store them in a safe
place.
The warning lamp goes out.
üN The red seat belt warning lamp flashes and an intermittent audible warning
sounds.
The driver or front passenger has not fastened their seat belt. At the same time, you
are driving faster than 15 mph (25 km/h) or have briefly driven faster than 15 mph
(25 km/h).
XFasten seat belt (Ypage 48).
The warning lamp goes out and the intermittent audible warning ceases.
On vehicles with the Occupant Classification System (OCS), there are objects on
the front-passenger seat. At the same time, you are driving faster than 15 mph
(25 km/h) or have briefly driven faster than 15 mph (25 km/h).
XRemove the objects from the front-passenger seat and store them in a safe
place.
The warning lamp goes out and the intermittent warning tone ceases.
220Indicator and warning lamps in the instrument cluster
On-board computer and displays

Engine
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
;NThe yellow Check Engine warning lamp lights up while the engine is running.
There may be a malfunction, for example:
Rin the engine management
Rin the transmission management
Rin the fuel injection system
Rin the exhaust system
Rin the ignition system (for vehicles with a gasoline engine)
Rin the fuel system
The emission limit values may be exceeded and the engine may be running in
emergency mode.
XHave the vehicle checked as soon as possible at a qualified specialist workshop.
æN The yellow reserve fuel warning lamp is on while the engine is running.
The fuel level has dropped to the reserve range.
XRefuel at the nearest gas station.
?N The red coolant warning lamp comes on while the engine is running.
On vehicles without steering wheel buttons, the coolant temperature gage is at the
start of the bar display (
Ypage 173).
On vehicles with steering wheel buttons, the coolant temperature gage is at the
start of the scale in the instrument cluster (
Ypage 39).
The temperature sensor for the coolant temperature gage is faulty.
The coolant temperature is no longer being monitored. There is a risk of engine
damage if the coolant temperature is too high.
XStop the vehicle immediately, paying attention to road and traffic conditions,
and switch off the engine. Do not continue driving under any circumstances.
XSecure the vehicle to prevent it from rolling away (Ypage 133).
XConsult a qualified specialist workshop.
Indicator and warning lamps in the instrument cluster225
On-board computer and displays
Z