engine MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

*
NO
TEEngine damag ecaused byan
incor rect oil filter ,incor rect oil or addi‐
tives #
Do no tuse engine oil soroilfilter sother
th an those whic hmeetthe specifica‐
tions necessar yfor thep rescribed
service inter vals. #
Do no talter thee ngine oil or oil filter in
order toachie velonger chang einter vals
th an presc ribed. #
Do no tuse additives. #
Have thee ngine oil changed af tert he
prescribed inter vals. Mercedes-Benz
recommends having theo il
ch anged at aqualified specialis tworks hop.
Fu rther information on engine oil and oil filter:
R IntheMBS pecification sfor operating fluidsat
https://be vo.mercedes-benz.com (b yenter‐
ing thed esignation)
R Ataq ualified specialis tworks hop
Quality and capacity of engine oil
MB-F reigabe orMB -Appr oval Model
sM B-Freigabe orMB-
Appr oval
All model s2 29.5, 229.6**R
ecommended forl owest possible fuel con‐
sum ption (lo westSA Ev iscosity class in ea ch
case ;obser vepossible restrictions of the
appr ovedSAE viscosity classes).
To achie vethel owest possible fuel consum ption,
it is recommended touse thee ngine oil specifica‐
tions mar kedint hetable fort he lo west SAEv is‐
cosity class. Obser veanyp ossible restrictions of
th ea ppr ove dSAE viscosity classes.
If th ee ngine oils lis tedint hetable ar enotavaila‐
ble, youm ayadd amaximum of 1.1USqt( 1.0l) of
thee ngine oils wit hMB-Freigabe or MB-
Appr oval 229. 3orACEA A3/B4.
Re placement amount
Engine oil Approximately
2USg al (7.7 l) Tr
ansmissio noil Au
tomatic transmission
Ope ratin gfluid :automatic transmission fluid Product desc
rip‐
tion/number Main
tenance inter‐
val
Mobil ATF1 34 FE
Va lvoline ATFP ro
236. 15
MB Shee tNumber
236. 15 - Fu
rther information ma ybeobtained at an yquali‐
fi ed specialis tworks hop.
Re ar axle
Operating fluid: transmission oil Product desc
rip‐
tion/number Main
tenance inter‐
val
MobilubeFE7 5W-85
Mobilub eFEPlusNG
75 W- 85
MB Shee tNumber
235.7 - Fu
rther information ma ybeobtained at an yquali‐
fi ed specialis tworks hop. Note
sonb rake fluid Obser
vethen otes on operating fluids
(/ page227). &
WARNING Risk of an accident du eto
va por poc kets form ing in theb rake sys‐
tem
The brak efluid con stantly absorbs moisture
from thea ir.T his lo werstheb oiling point of
th eb rake fluid. If theb oiling point is tool ow,
va por poc kets ma yformint he brak esystem
when theb rake sa reapplied hard.
This causes theb raking ef fect to be impaired. Te
ch nica ldata 229

#
Have theb rake fluid rene we datt he
specified inter vals. *
NO
TEDama getopaint, plastic or rubber
by brak efluid Ther
eisar isk of damag etoproperty if brake
fl uid comes int ocontact wi thpaint, plastic or
ru bber. #
If paint, plastic or rubber comes into
con tact wi thbrak efluid, rinse wi th
wate rimmediatel y. Obser
vethen otes on paintwork/matt efinish
paintwor kcare( /pag e184).
Ha ve theb rake fluid rene we de very twoy ear sat
aq ualified specialis tworks hop.
Only use brak efluid appr ovedbyM ercedes-Benz
in accordance wit hMB-Freigabe or MB-Appr oval
33 1.0.
Informatio nonbrake fluid is available at thef ol‐
lowing locations:
R IntheMBS pecification sfor operating fluids
33 1.0
- Athttps://be vo.mercedes-benz.com
- IntheB eVoa pp
R Ataq ualified specialis tworks hop Coolant
Note
sonc oolant
Obser vethen otes on operating fluids
(/ page227). &
WARNING ‑Riskoff irea nd injur yfrom
antifreeze
If antifreez ecomes int ocontact wi thhotc om‐
ponent parts in thee ngine compartment, it
ma yignite. #
Allowthe engine tocool down before
adding antif reeze. #
Mak esuret hat no antifreeze spills out
next tothef iller opening. #
Thoroughl yclean of fany antifreeze from
componen tparts befor estartin gt he
ve hicle. *
NO
TEDama gecaused byincor rect cool‐
ant #
Only ad dcoolant that has been pre‐
mixed wit hthe requ ired antifreeze pro‐
te ction. Information on coolant is
available at thef ollow‐
ing locations:
R IntheMBS pecification sfor operating fluids
320.1
- Athttps://be vo.mercedes-benz.com
- IntheB eVoa pp
R Ataq ualified specialis tworks hop
* NO
TEOverheating at high outsid etem‐
peratures If an inappropriat
ecoolant is used, thee ngine
cooling sy stem is no tsufficiently pr otected
agains toverheating and cor rosion at high out‐
side temp eratures. #
Alwaysu se coolant appr ovedby
Mercedes-Benz. #
Obser vethei nstruction sinthe MB
Specifications foro perating fluids320 .1 . *
NO
TEPaint wo rkdamag eduetocoolant #
Do no tspill coolant on painted sur fa‐
ces. Ha
ve thec oolant regularly replaced at aqualified
specialis tworks hop.
No tethep roportion of anti-cor rosion agent/anti‐
freeze in thee ngine cooling sy stem within thef ol‐
lowing temp eratur eranges:
R Atleas t50% (antifreeze pr otection up to
about -35°F (-37°C))
R Maximum 55 %(antifreez eprotection up to
-49°F (-45°C))
Coolant capacities
Coolant capacity Mode
lC apacity
All model sA pprox.11USqt
(10.4 l) 230
Tech nica ldata

pla
yasam eans of orientation, toget her with
th en umber of sa vedd ispla ymessages. #
Press 0038toexitth ed ispla ymessages
screen. Saf
etys ystems Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
0091
ABS,E SP Inoperative *
ABS,B AS, hillstart assis tand ESP ®
as well as its driving saf etys ys‐
te ms ar eunavailable due toam alfunction.
AT TENTION ASSIS Tisdeactivated and other driving sy stems could
be automaticall ydeactivated.
The brak esystem continues tofunction normally ,but without the
functions lis teda bove. &
WARNING Risk of skidding if ABS and ESP ®
arem alfunc‐
tioning
The wheels ma yblock during braking and ESP ®
does no tper‐
fo rm anyv ehicle stabilization.
The steerability and braking characteristic sareheavil yimp aired
and theb raking dis tance ma yincrease. In addition, other driving
saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ABS and ESP ®
ch eckedi mmediately at aqualified
specialis tworks hop. #
Switc hthe engine off, wait brief lyand star tt he engine again. #
Chec kwhether thed ispla ymessag ehas disappeared and ESP ®
is operational.
If th ed ispla ymessag econtinues tobe shown: #
Driv eonc arefull y. #
Consult aqualified specialis tworks hop immediatel y.
00DF
00E5 Inoperative See Opera-
tor's Manual *
ABS, BAS, hil lstart assis tand ESP ®
as well as its driving saf etys ys‐
te ms ar eunavailable due toam alfunction.
AT TENTION ASSIS Tisdeactivated and other driving sy stems could
be automaticall ydeactivated.
The brak esystem continues tofunction normally ,but without the
functions lis teda bove. &
WARNING Risk of skidding if ABS and ESP ®
arem alfunc‐
tioning
The wheels ma yblock during braking and ESP ®
does no tper‐
fo rm anyv ehicle stabilization.
The steerability and braking characteristic sareheavil yimp aired
and theb raking dis tance ma yincrease. In addition, other driving
saf etys ystems ar eswitched off. #
Driv eonc arefull y. 236
Displa ymessages and warning and indicator lamps

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Have ABS and ESP ®
ch eckedi mmediately at aqualified
specialis tworks hop. 0091
ABS, ESP Curr. Unavail. *
ABS, BAS, hil lstart assis tand ESP ®
as well as its driving saf etys ys‐
te ms ar etemporaril yunavailable.
AT TENTION ASSIS Tisdeactivated and other driving sy stems could
be automaticall ydeactivated.
Fo re xamp le,theo n-boar delectrical sy stem voltag em aybe insuf fi‐
cient.
The brak esystem continues tofunction normally ,but without the
functions lis teda bove. &
WARNING Risk of skidding if ABS and ESP ®
arem alfunc‐
tioning
The wheels ma yblock during braking and ESP ®
does no tper‐
fo rm anyv ehicle stabilization.
The steerability and braking characteristic sareheavil yimp aired
and theb raking dis tance ma yincrease. In addition, other driving
saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ABS and ESP ®
ch eckedi mmediately at aqualified
specialis tworks hop. #
Continue todriv ecarefully on asuitable stre tchofr oad, making
slight steering mo vements at aspeed abo ve12 mp h(20 km/h). #
Switc hthe engine off, wait brief lyand star tt he engine again. #
Chec kwhether thed ispla ymessag ehas disappeared and ESP ®
is operational.
If th ed ispla ymessag econtinues tobe shown: #
Driv eonc arefull y. #
Consult aqualified specialis tworks hop immediatel y.
00DF
00E5 Currently Unavail. See
Operator's Manual *
ABS, BAS, hil lstart assis tand ESP ®
as well as its driving saf etys ys‐
te ms ar etemporaril yunavailable.
AT TENTION ASSIS Tisdeactivated and other driving sy stems could
be automaticall ydeactivated.
The on-boar delectrical sy stem voltag em aybe insuf ficient, for
ex ample.
The brak esystem continues tofunction normally ,but without the
functions lis teda bove. &
WARNING Risk of skidding if ABS and ESP ®
arem alfunc‐
tioning
The wheels ma yblock during braking and ESP ®
does no tper‐
fo rm anyv ehicle stabilization. Displa
ymessages and warning and indicator lamps 237

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
If th ese conditions ar enotmet, thea utomatic co-driver's airbag
actuation is malfunctioning. #
Installth ec hild restra int sy stem on asuitable rear seat.
or #
Seat aperson of smaller statur eonas uitablerear seat. #
Consult aqualified specialis tworks hop immediatel y.
Fu rther information on airbag shutof fcan be found unde r"Occupant
classification sy stem (OCS)" (/ page30).
0026 (equipment-dependent)
Check Brake Pad Wear *T
he brakepads ha vereached their wear limit. #
Consult aqualified specialis tworks hop.
0027
(US Aonly)
004D (Canadao nly)
Check Brake Fluid Level *T
her eisi nsufficient brak efluid in theb rake fluid reser voir. &
WARNING Risk of an accident du etolowbrak efluid le vel
If th eb rake fluid le velist oo lo w,theb raking ef fect and theb rak‐
ing characteristic smaybe impaired. #
Pull overand stop thev ehicle safely as soon as possible,
paying attention toroad and traf ficc onditions. Do no tcon‐
tinue driving under an ycircums tances. #
Consult aqualified specialis tworks hop. #
Do no tadd brak efluid. 0091
EBD, ABS, ES PInopera-
tive *E
BD is una vailable due toam alfunction. This mean sthat ABS, BAS,
hil lstart assis tand ESP ®
as well as its driving saf etys ystems, for
ex ample, ar ealso una vailable.
AT TENTION ASSIS Tisdeactivated and other driving sy stems could
be automaticall ydeactivated.
The brak esystemc ontinues tofunction normally ,but without the
functions lis teda bove. &
WARNING Risk of skidding if EBD, ABS and ESP ®
arem al‐
functioning
The wheels ma yblock during braking and ESP ®
does no tper‐
fo rm anyv ehicle stabilization.
The steerability and braking characteristic sareheavil yimp aired
and theb raking dis tance ma yincrease. In addition, other driving
saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have theb rake system checkedi mmediately at aqualified
specialis tworks hop. #
Switc hthe engine off, wait brief lyand star tt he engine again. Displa
ymessages and warning and indicator lamps 243

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Chec kwhether thed ispla ymessag ehas disappeared and ESP ®
is operational.
If th ed ispla ymessag econtinues tobe shown: #
Driv eonc arefull y. #
Consult aqualified specialis tworks hop immediatel y.
007A
00DF
00E5 Inoperative See Opera-
tor's Manual *E
BD is una vailable due toam alfunction. This mean sthat ABS, BAS,
hil lstart assis tand ESP ®
as well as its driving saf etys ystems, for
ex ample, ar ealso una vailable.
AT TENTION ASSIS Tisdeactivated and other driving sy stems could
be automaticall ydeactivated.
The brak esystemc ontinues tofunction normally ,but without the
functions lis teda bove. &
WARNING Risk of skidding if EBD, ABS and ESP ®
arem al‐
functioning
The wheels ma yblock during braking and ESP ®
does no tper‐
fo rm anyv ehicle stabilization.
The steerability and braking characteristic sareheavil yimp aired
and theb raking dis tance ma yincrease. In addition, other driving
saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have theb rake system checkedi mmediately at aqualified
specialis tworks hop. 00E5
0091
Inoperative *
ESP ®
,B AS and hil lstart assis tare una vailable due toam alfunction.
AT TENTION ASSIS Tisdeactivated and other driving sy stems could
be automaticall ydeactivated.
The brak esystem continues tofunction normally ,but without the
functions lis teda bove.T he wheel scould therefor eloc kupatan
early stag eify ou brak ehard, fore xamp le.
This will se verely impair steerability and braking. Braking dis tance
ma yincrease in an emergency braking situation. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabili‐
zation .Inaddition ,other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. #
Switc hthe engine off, wait brief lyand star tt he engine again. #
Chec kwhether thed ispla ymessag ehas disappeared and ESP ®
is operational.
If th ed ispla ymessag econtinues tobe shown: #
Driv eonc arefull y. #
Consult aqualified specialis tworks hop immediatel y. 244
Displaymessa gesa nd warning and indicator lamps

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00E5
Inoperative See Opera-
tor's Manual *
ESP ®
,B AS and hil lstart assis tare una vailable due toam alfunction.
AT TENTION ASSIS Tisdeactivated and other driving sy stems could
be automaticall ydeactivated.
The brak esystem continues tofunction normally ,but without the
functions lis teda bove.T he wheel scould therefor eloc kupatan
early stag eint heeve nt of maximum full-s topb raking, fore xamp le.
This will se verely impair steerability and braking. Braking dis tance
ma yincrease in an emergency braking situation. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabili‐
zation .Inaddition ,other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. 00E5
0091
Currently Unavail. *
ESP ®
,B AS and hil lstart assis tare una vailable due toam alfunction.
Self-diagnosis is no tyet comple te,for example.
AT TENTION ASSIS Tisdeactivated and other driving sy stems could
be automaticall ydeactivated.
The brak esystem continues tofunction normally ,but without the
functions lis teda bove.T he wheel scould therefor eloc kupatan
early stag eint heeve nt of maximum full-s topb raking, fore xamp le.
This will se verely impair steerability and braking. Braking dis tance
ma yincrease in an emergency braking situation. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabili‐
zation .Inaddition ,other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. #
Driv ecarefully on asuitable stre tchofr oad, making slight steer‐
ing mo vements at aspeed abo ve12 mp h(20 km/h).
Th ef unctions mentioned abo vewill be available again when the
displa ymessag egoes out. #
Switc hthe engine off, wait brief lyand star tt he engine again. #
Chec kwhether thed ispla ymessag ehas disappeared and ESP ®
is operational.
If th ed ispla ymessag econtinues tobe shown: #
Driv eonc arefull y. #
Consult aqualified specialis tworks hop immediatel y. Displ
aymessa gesa nd warning and indicator lamps 245

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
R The sy stem is outside theo perating temp eratur erange.
R Theo n-board electrica lsyst em voltag eist oo lo w.
If th ec auses mentioned abo veno longer apply ,the displa ymessage
will disappear and ActiveB rake Assi stwill be operational again.
If th ed ispla ymessag edoes no tdisappear: #
Stop in accordance wit hthe tra ffic conditions. #
Secur ethe vehicle agains trolling away. #
Switc hoffthee ngine. #
Clean thes ensor sinthe front bumper (/ page184). #
Restar tt he engine.
Active Distance Assist
Now Available *A
ctiv eDista nce Assi stDISTRONI Cisoperationa laga in following
te mp orar ynon- availabilit y.Yo uc an no wswitch ActiveD ista nce
Assi stDISTRONI Conagain ( / page 117, 119).
Cruise Control ---mph *A
nactivatio nc ondition forc ruisec ontrol has no tbeen met.
Fo re xamp le,youa reaimin gtos tore as peed belo w20m ph
(30 km/h). #
If conditions permit, driv eataspeed greater than 20 mph
(30 km/h) and stor et he speed. #
Obser vethea ctivation conditions forc ruisec ontrol
(/ page115).
Cruise Control and Lim-
iter Inoperative *A
warning tone also sounds. Cruise control and thel imiter ar emal‐
functioning. #
Visit aq ualified specialis tworks hop.
Blind Spot Assist Inoper-
ative *B
lind Spo tAssis tism alfunctioning. #
Consult aqualified specialis tworks hop.
Blind Spot Assist Cur-
rently Unavail. See Oper-
ator's Manual *B
lind Spo tAssis tist emporarily non-operational.
The following causes ar epossible:
R Youh ave couple dupat railer.
R The senso rsinther ear bumper ar edirty.
R The function is impaired due toheavy rain or sno w.
R The radar sensor sy stem is temp oraril ynon-operational, e.g. due
to electromagnetic radiation close toTV orradio transmitting
st ations or other sources of radiation.
R The sy stem is outside theo perating temp eratur erange.
If th ec auses mentioned abo veno longer apply ,the displa ymessage
will disappear and Lane Keeping Assis twill be operational again.
If th ed ispla ymessag edoes no tdisappear: #
Stop in accordance wit hthe tra ffic conditions. #
Secur ethe vehicle agains trolling away. #
Switc hoffthee ngine. #
Clean thes ensor sintherear bumper (/ page184). #
Restar tt he engine. 250
Displa ymessages and warning and indicator lamps

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Park Assist Canceled *A
nacoustic signal sounds as well. The activ eparkin gassis tance
sy stems ha vebeen canceled and ActiveP arking Assis twill automat‐
icall ybea borted. Youh ave touched thes teering wheel, fore xamp le,
or ha vedriven at tooh igh aspeed. #
Steer and brak emanuall y. #
Repeat thep arking procedur eifnecessar y.Compl ywitht he
deactivation conditions (/ page125).
Park Assist Inoperative *P
ARKTRONIC is malfunctioning or de fective. #
Comply withthe instructions and aids in "Function of
PA RKTRONIC"( /pag e122). #
Ifth ed ispla ymessag econtinues tobe displa yed, consult a
qu alified specialis tworks hop:
*A ctiv eParking Assis tisnotavailable or is malfunctioning. #
Swit chofft he ignition. #
Restar tt he engine.
If th ed ispla ymessag econtinues tobe displa yed, or if thed isplay
does no tshowt he 005D symbol: #
Consult aqualified specialis tworks hop.
Lane Keeping Assist
Inoperative *L
ane Keeping Assis tismalfunctioning. #
Consult aqualified specialis tworks hop.
Lane Keeping Assist Cur-
rently Unavail. See Oper.
Manual *L
ane Keeping Assis thas been switched of fand is temp orarily non-
operational.
The following causes ar epossible:
R The windshield is dirty in thec amera's field of vision.
R Visibility is impaired due toheavy rain, sno worfog.
R Lane markings ar eabsent foral ong period of time.
R The lane markings ar eworn, dar korcoveredbyd irtors now, for
ex ample.
If th ec auses mentioned abo veno longer apply ,the displa ymessage
will disappear and Lane Keeping Assis twill be operational again.
If th ed ispla ymessag edoes no tdisappear: #
Stop in accordance wit hthe tra ffic conditions. #
Secur ethe vehicle agains trolling away. #
Clean thew indshield. Engine
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
003D *A
warning tone also sounds. Displa
ymessa gesa nd warning and indicator lamps 251

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