engine coolant MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
The batter yisnolonger being charge df or one of thef ollowing rea‐
sons:
R Faulty alternator
R Torn pol y-Vb elt
R Malfunction in thee lectronics #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine.
Do no tcontinue driving. If youd o,thee ngine ma yoverheat. #
Secur ethe vehicle agains trolling away. #
Consult aqualified specialis tworks hop.
00AC
Stop Vehicle Turn Eng.
Off *A
warning tone also sounds. The coolant is tooh ot. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. &
WARNING Risk of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or when
th er eisaf ireint he engine compartment, thef ollowing situa‐
tions ma yoccur:
R Youc oul dc om eintoc ontact wi thhotg ases.
R Youc oul dc om eintoc ontact wi thother hot, escaping oper‐
ating fluids. #
Befor eopening theh ood, allo wthe ove rheated engine to
cool down. #
Inthee vent of afireint he engine compartment, keep the
hood closed and call thef ires ervice. &
WARNING Risk of scalding from ho tcoolant
If yo uo pen thec ap, youc oul dbes calded. #
Letthe mo torc ool down befor eopening thec ap. #
When opening thec ap, wear pr otectiv eglove sa nd saf ety
gl asses. #
Open thec ap slowl ytorelease pressure. #
Obser vethec oolant temp eratur edispla y(/pag e142). #
Wait until thee ngine has cooled down. #
Ensur ethat thea ir supply tother adiator is no tobstructed. #
Avoiding high engine loads, driv eontothe neares tqualified spe‐
cialis tworks hop. In doing so, ensur ethat thec oolant temp era‐
tur ed ispla yremain sbelo wt he letter H. 252
Displa ymessages and warning and indicator lamps

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00AC
Coolant Too Hot: Stop
Vehicle Switc hEngine
Off *A
warning tone also sounds. The coolant is tooh ot. &
WARNING Risk of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or when
th er eisaf ireint he engine compartment, thef ollowing situa‐
tions ma yoccur:
R Youc oul dc om eintoc ontact wi thhotg ases.
R Youc oul dc om eintoc ontact wi thother hot, escaping oper‐
ating fluids. #
Befor eopening theh ood, allo wthe ove rheated engine to
cool down. #
Inthee vent of afireint he engine compartment, keep the
hood closed and call thef ires ervice. &
WARNING Risk of scalding from ho tcoolant
If yo uo pen thec ap, youc oul dbes calded. #
Letthe mo torc ool down befor eopening thec ap. #
When opening thec ap, wear pr otectiv eglove sa nd saf ety
gl asses. #
Open thec ap slowl ytorelease pressure. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. #
Monitor thec oolant temp eratur edisplay 00AConthei nstrument
clus ter. #
Wait until thee ngine has cooled down. #
Ensur ethat thea ir supply tother adiator is no tobstructed. #
Avoiding high engine loads, driv eontothe neares tqualified spe‐
cialis tworks hop. In doing so, ensur ethat thec oolant temp era‐
tur ed ispla yremain sbelo wt he redm arking.
00AC *T
hefanm otorisd efective.
Ve hicles without steering-wheel buttons: #
Chec kthe coolant temp eratur e(/pag e142).
Ve hicles wit hsteering-wheel buttons: #
Chec kthe coolant temp eratur edisplay 00AConthei nstrument
clus ter.
If th ec oolant temp eratur eisbelowt he maximum value specified
belo w,youc an continue drivin gtothe neares tqualified specialist
wo rkshop.
Av oid high engine loads, e.g. driving on hill yroads or stop-and-go
driving.
During normal driving and if thec oolant le velisc orrect, thec oolant
te mp eratur edispla yisp ermitted torise toletter H. Displa
ymessages and warning and indicator lamps 253

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
0091
Check Coolant Level *T
he coolant le velist oo lo w.
* NO
TEEngine damag eduetoinsuf ficient coolant #
Avoid long journe yswit hinsuf ficient coolant. #
Addc oolant ,following then otes on coolant (/ page180).
If yo uf requ ently nee dtoadd coolant: #
Have thee ngine cooling sy stem checkedataq ualified specialist
wo rkshop.
00BD
Check Coolant Level See
Oper. Manual *T
he coolant le velist oo lo w.
* NO
TEEngine damag eduetoinsuf ficient coolant #
Avoid long journe yswit hinsuf ficient coolant. #
Addc oolant ,following then otes on coolant (/ page180).
If yo uf requ ently nee dtoadd coolant: #
Have thee ngine cooling sy stem checkedataq ualified specialist
wo rkshop.
00B2
Check Engine Oil Level
or Check Engine Oil At
Next Refueling *A
warning tone also sounds. The oi llev el in your vehicle has fallen to
th em inimum.
* NO
TEEngine damag ecaused bydriving wit hinsuf ficient
engine oil #
Avoid long journe yswit hinsuf ficient engine oil. #
Che cktheo il le velw hen next refueling, at thel atest
(/ page179). #
If necessa ry,a dd engin eoil (/ page179).
If engine oil frequently needs tobe topped up: #
Have thee ngine checkedataq ualified specialis tworks hop.
ManuallyC heck Oil Level *R
eminder tocheckt he oil le vel.
* NO
TEEngine damag ecaused bydriving wit hinsuf ficient
engine oil #
Avoid long journe yswit hinsuf ficient engine oil. #
Che cktheo il le velw hen next refueling, at thel atest
(/ page179). #
If necessa ry,a dd engin eoil (/ page179). #
Toconfir mthe oil le velc heck: press and hol dthe 0078 button.
00B2 Manually Check Oil Level *R
eminder tocheckt he oil le vel. 254
Displa ymessages and warning and indicator lamps

Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
R Ignition sy stem (in vehicles wit hagasoline engine)
R Fuel sy stem
This can cause thee missions limit values tobe exc eeded and the
engine torunine mergency mode. #
Have thev ehicle checkedi mmediately at aqualified specialist
wo rkshop.
00B4
Fu elreser ve wa rning
lamp *The
yello wf uel reser ve wa rning lam pisonw hilethee ngine is run‐
ning.
The fue lsuppl yhas dropped int othe reser verange. #
Refuel thev ehicle.
00AC
Coolant warning lamp *
In vehicles without steering-wheel buttons, thec oolant temp erature
displa yisatt hestar toft he bar displa y(/ pag e142).
In vehicles wit hsteering-wheel buttons, thec oolant temp eratur edis‐
pla yont he instrument clus terisatt hestar toft he scale.
The temp eratur esensor fort he coolant temp eratur edispla yisd efec‐
tive.
The coolant temp eratur eisnol onger being monitored. If thec oolant
is tooh ot,the engine ma ybedamaged. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. Do no tcontinue driving. #
Secur ethe vehicle agains trolling away. #
Consult aqualified specialis tworks hop.
00AC
Coolant warning lamp *T
he redc oolant warning lam pisonw hilethee ngine is running.
The coolant le velist oo lo w.
If th ec oolant le velisc orrect, thea ir suppl ytotheradiator ma ybe
impaired or ther adiator's electric fanm aybe faulty.
The coolant is tooh otand thee ngine is no tbeing adequately cooled. #
Paya ttention tothed ispla ymessages. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. #
Secur ethe vehicle agains trolling away. #
Exit thev ehicle and keep asafed ista nce from it unti lthe engine
has cooled down. #
Chec kthe coolant le vela nd add coolant, complyin gwitht he
instructions (/ page180). #
Ifth ec oolant has tobe topped up frequentl y,ha ve thee ngine
cooling sy stem checkedataq ualified specialis tworks hop. #
Ensur ethat thea ir supply tother adiator is no timp aired, e.g. by a
plastic bag that has been blown ont othe grille. #
Chec kthe coolant temp erature: 266
Displa ymessages and warning and indicator lamps

Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions R
Invehicles without steering-wheel buttons –viathed ispla yon
th eo n-boar dcomputer
R Invehicles wit hsteering-wheel buttons –viathea nalog dis‐
pla yont he instrument clus ter #
Do no tres tart thee ngine until thec oolant temp eratur eisbelow
th es pecified maximum value. If youd o,thee ngine ma ybedam‐
aged. #
Driv eontot he neares tqualified specialis tworks hop. Avoid high
engine loads, e.g. driving on hill yroads or stop-and-go driving.
During normal driving and if thec oolant le velisc orrect, thec oolant
te mp eratur edispla yisp ermitted torise toletter Hor ther ed mar k.
00AC
Coolan twarning lamp *The
redc oolant warning lam pisonw hilethee ngine is running .A
wa rning tone also sounds.
The coolant temp eratur ehasexc eeded them aximum value specified
belo w.The air supply tother adiator ma ybeimpaired or thec oolant
le ve lm aybe tool ow.
The engine has no tbeen suf ficiently cooled and ma ybedamaged. &
WARNING Risk of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or when
th er eisaf ireint he engine compartment, thef ollowing situations
ma yoccur:
R Youc oul dc om eintoc ontact wi thhotg ases.
R Youc oul dc om eintoc ontact wi thother hot, escaping operat‐
ing fluids. #
Befor eopening theh ood, allo wthe ove rheated engine to
cool down. #
Inthee vent of afireint he engine compartment, keep the
hood closed and call thef ires ervice. #
Paya ttention tothed ispla ymessages. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. #
Secur ethe vehicle agains trolling away. #
Exit thev ehicle and keep asafed ista nce from it unti lthe engine
has cooled down. #
Chec kthe coolant le vela nd add coolant, complyin gwitht he
instructions (/ page180). #
Ifth ec oolant has tobe topped up frequentl y,ha ve thee ngine
cooling sy stem checkedataq ualified specialis tworks hop. #
Ensur ethat thea ir supply tother adiator is no timp aired, e.g. by a
plastic bag that has been blown ont othe grille. #
Chec kthe coolant temp erature: Displa
ymessages and warning and indicator lamps 267

LA
TC H-type (ISOFIX )(ins talling)........... 37
No tesonr isksa nd dangers.................. 34
Securing on thef ront passenger seat... 39
Securing on ther ear seat..................... 38
To pT ether............................................ 38
Children Avoiding danger sinthevehicle............ 34
Basic instructions................................. 33
Special seat belt retractor.................... 36
Ci ga rettel ighter
Fr ont center console............................76
Cleaning see Care
Climat econtrol
Ac tivating/deactivating........................ 91
Ad justing thea irve nts......................... 95
Air di stribution settings........................93
Control panel for3 -zone auto matic
clima tecontrol..................................... 91
Control panel ford ual-zone auto‐
matic clima tecontrol........................... 90
Controlling au tomatical ly..................... 92
Defrosting thew indshield.....................94
Defrosting windo ws.............................. 94
Filling capacity forP AG oil.................. 231
Re frigerant.......................................... 231
Re frigerant filling capacity.................. 231
Setting thea ir distribution.................... 93
Setting thea irflow ................................ 93
Setting thet emperatur e....................... 93
Switching ai r-re circulation mode
on/off.................................................. 94
Switching residualh eat utilization
on/off.................................................. 95
Switching synchronization function
on/of f(control panel).......................... 94
Switching theA /C function on/of f...... 92
Switching ther ear window
defros tero n/off.................................. .95
Ve ntilating thev ehicle (con veni‐
ence opening)....................................... 57
Cockpit (o verview) .................................... .6
Combination switch see High beam
see High-beam flasher
see Indicator
Configuring soun dsettings (multi‐
media sy stem)........................................ 15 5
Connectin gAndroid Auto....................... 161
Connecting Apple CarPlay ®
.................. .161
Con venience closing ................................ 58 Con
venience opening ...............................57
Con venience opening/closing ................95
Con versions .............................................. 14
Coolant Checkin gleve l.................................... 180
Filling capacities................................ 230
Re filling.............................................. 180
Coolant (engine) Displaying thet emperatur e(vehi‐
cle without steering-wheel buttons)... 14 2
No tes................................................. 230
Co pyright
License.................................................23
Copyrights Trademar ks.......................................... 23
Crosswin dAssist
Fu nction/no tes................................... 11 2
Cruise control Calling up aspeed.............................. 11 5
Fu nction.............................................. 11 5
Le ver................................................... 11 5
Re quirements.................................... .115
Selecting............................................. 11 5
Setting thes peed................................1 15
St oring aspeed................................... 11 5
Switching off....................................... 11 5
Switching on....................................... 11 5
Sy stem limits......................................1 15
Cup holders Cockpi toverview................................. .75
Cus tomer Assi stance Center (C AC)........ 19
Cus tomer Relations Department........... .19 D
DA Bradio.................................. .............. 16 3
Dashboa rdlighting
see Instrument lighting
Data pr otection rights
Dat astora ge ......................................... 22
Data recordin g(vehicle) .......................... 20
Data storage
Dat aprotection rights..........................22
Daytim erunnin glam pm ode
see Daytime running lights
Daytime running lamps
Re placing light sources.........................81
Daytim erunnin glights
Switching on/o ff.................................. 77 Index
273

N
Na vigation
Configuring settings........................... 154
Overview............................................ 15 5
Up dating maps...................................1 65
Na vigation
see Destination entry
see Route
Notes Carrier sy stems..................................1 73
No tificatio nsettings (multimedia
sy stem).................................................. .154 O
Occupant saf ety
see Airbag
see Automatic front passenger
front airbag shutoff
see Automatic measu resa fter an accident
see Pets in thev ehicle
see Post-collision brake
see Restra int sy stem
see Seat belt
Odome ter
Displ aying (vehicle without steer‐
ing-wheel buttons).............................. 14 2
On-boar dcomputer
Menu overview................................... .141
Multifunction displa y.......................... 14 0
Operation (vehicles wit hsteering-
wheel buttons).................................... 13 8
Operation (vehicles without steer‐
ing-wheel buttons).............................. 137
Overvie w(vehicles wit hsteering-
wheel buttons).................................... 13 8
Overvie w(vehicles without steer‐
ing-wheel buttons).............................. 137
On-boar dcomputer (vehicle with
st eering wheel but tons)
Displaying thes ervice due dat e.......... 175
Service menu..................................... 14 4
Te lephon emenu................................. 147
On-boar dcomputer (vehicle with
st eering-wheel but tons)
Assis tance menu................................ 14 4
Au dio menu........................................1 47
Digital speedome ter.......................... .145
Fa ctor ysettings.................................. 14 8
Na vigation menu................................ 14 6
Selecting thep ermanen tdisplay
function.............................................. 14 8Selecting
theu nit of measurement
fo rd ista nce........................................ 14 8
Setting thed ispla ylanguag e............... 14 8
Setting thes ensitivity of ther ain
sensor............................................... .148
Setting thes urround lighting............. .148
Setting thet ime and date................... 14 8
Settings menu.................................... 14 8
Showing ther ange.............................. 14 5
St atus overvie wofd riving sy stems....1 44
Tr ip menu.......................................... .145
On-boar dcom puter (vehicle without
st eering wheel but tons)
Displaying thes ervice due dat e.......... 175
On-boar dcomputer (vehicle without
st eering-wheel but tons)
Coolant temp eratur edispla y.............. 14 2
Cur rent fue lconsu mption................... 14 2
Fa ctor ysettings.................................. 14 3
Odome ter........................................... 14 2
Re cuperation displ ay.......................... 14 2
Selecting thep ermanen tdisplay
function.............................................. 14 3
Selecting theu nit of measurement
fo rd ista nce........................................ 14 3
Setting thed ispla ylanguag e............... 14 3
Setting thes ensitivity of ther ain
sensor............................................... .143
Setting thet ime and date................... 14 3
Settings menu.................................... 14 3
Tr ip computer..................................... 14 2
Tr ip dis tance....................................... 14 2
On-boar ddiagnostic inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics............................. .225
No tes.................................................2 25
Tw o-w ayradios...................................2 25
Open-source software............................. 23
Opening and closin gthe sliding win‐
do ws .......................................................... 58
Opening/closin gthe hood ..................... 176
Operating fluids
Ad ditives (fuel)...................................2 28
Brak efluid.......................................... 229
Coolant (engine)................................ .230
Engine oil.......................................... .228
Fo rd rive axles and transmissions...... 229
Fu el (gasoline).................................... 228
No tes.................................................2 27
Tr ansmission oil................................ .229
Wi ndshield washer fluid...................... 231 Index
279

Using
thes towa ge netont he seat
backrest.................................................... 75V
Ve hicle
Cor rect use.......................................... 18
Dat arecording..................................... 20
Diagnostic sconnection........................ 17
Equipment............................................ 14
Limited Warranty.................................. 20
Lockin g(automatic)............................. .46
Locking/unlocking (emergency key)... .46
Lo we ring............................................. 221
Maintenance......................................... 15
Medical aids......................................... 19
Notify ing problems.............................. .19
Pa rking............................................... 108
Pa rking forane xtende dperiod..... .....1 09
QR code rescue card............................ 20
Qualifi ed specialis tworks hop............... 18
Ra ising................................................ 219
Re gistration.......................................... 18
St artin g(key)....................................... .97
Switching on thep ower supply........ .....97
Un lockin g(from inside)........................ 45
Ve ntilating (co nvenience opening)........ 57
Ve hicl edata
Ve hicle height.................................... 232
Ve hicle length.................................... 232
Ve hicle width......................................2 32
Wheelbase......................................... 232
Ve hicl edata memory
Electronic control units........................ 20
Service pr oviders................................ .22
Ve hicl edata storage
Event data recorder s............................ 22
Ve hicl edimensions ................................ 232
Ve hicl eidentification number
see VIN
Ve hicl eidentification plate
EC general operating pe rmit num‐
ber..................................................... 226
Gross axle weight rating..................... 226
Maximum pe rmissible gross vehi‐
cle weight.......................................... .226
Pa int code......................................... .226
VIN.................................................... .226
Ve hicl einterior
Re placing light sources........................ 84
Ve hicl ekey
see Key Ve
hicl em aintenance
see ASS YSTP LUSs ervice inter vald isplay
Ve hicl eoperation
Outside theU SAor Canada..................15
Ve hicl etool kit
In thes eat base..................................2 01
St orag ecompartmentint herear
compartment..................................... .201
St orag elocation................................. 201
To wing eye......................................... 200
VIN Identi fication plate............................. 226
Re adin gout........................................ 226
Seat.................................................. .226
Wi ndshield......................................... 226
Vi sion
Defrosting windo ws.............................. 94 W
Wa rning sy stem
see ATA( Anti -Thef tAlarms ystem)
Wa rning/indicator lamp
00DF ABSw arning lamp............. 261, 262
0027 Brakesystemw arning lamp
.................................................. .261,2 62
00B9 CheckEngine warning lamp...... 265
00AC Coolant warning lamp...... .266, 267
003E Door indicator lamp .................. 265
00BB ESP®
OFF warning lamp............ 263
00E5 ESP®
wa rning lamp........... 262, 263
00B4 Fuelreser ve wa rning lamp....... .266
00CC Powe rsteering sy stem warn‐
ing lamp............................................. 265
0075 Restra int sy stem warning
lamp.................................................. .261
00E9 Seatbeltw arning lamp............. 264
0077 Tire pressur emonitoring sys‐
te mw arning lamp..................... .268, 269
00BA Warning lam pfor dis tance
wa rning function............................... .265
Wa rning/indicator lamps
No tes................................................. 260
Overview............................................ 7, 8
PA SSENGER AIR BAG............................ 31
Wa rranty ................................................... 20
Wa rranty termsand conditions ..............15 Index
285