2021 MERCEDES-BENZ METRIS MY21 Operator's Manual

re
placed wit hastandar dwheel as soon
as possible. #
Neverins tall mor ethan one emergency
spar ewheel. #
When operating your vehicle wit hthe
emergency spar ewheel ins talled, adapt
yo ur drivin gstyle acco rdingly and drive
carefully. #
Do no tswitc hoffESP ®
. #
Sno wchains mus tnotbe ins talled on
th ee mer gency spa rewheel. #
Replace thee mer gency spa rewheel
af te ram aximu mofs ixyears, rega rd‐
less of wear. R
When usin ganemergency spa rewheel
(whic hisd iffe re nt from thew heel tobe
re placed) atop speed of 50 mph(80 km/h)
mus tnotbe exc eeded.
R The tir epressur eoft he emergency spare
whee lmustbec heckedb efor estartin gaj our‐
ne y.
R Have thee mer gency spa rewheel replaced by
aq ualified specialis tworks hop.
The following should be checkedr egular ly,p artic‐
ular lyprior tolong journe ys:
R thes ecur epositioning of thes par etire
R thet irep ressur eoft he spar ewheel (adjust
th et irep ressur eifn ecessary) (/ page207)
R thef astenings of thes par ew heel brac ket
The spar ewheel is located either on thel eftin
th er ear compartment or in aspar ew heel brac ket
unde rthe vehicle.
Re place thet ires af ters ixyearsatt he latest,
re ga rdless of wear.T his also applies tothes pare
wheel.
% If
yo uh ave installed an emer gency spa re
wheel or spar ewheel, thet irep ressur emoni‐
to rw illn ot function fort his wheel.T he emer‐
ge ncy spa rewheel or spar ewheel is not
equipped wit hasensor form onitoring tire
pressu re. Installing/removing
thes pare wheel Re
moving the spar ewheel in the rear com‐
partment #
Take auxiliar ytool 3and lug wrench 2out
of thev ehicle tool kit . #
Open thet ailgate/rear-en ddoor. #
Attach auxiliar ytool 3tolug wrench 2. #
Unscr ewtheb olt in them iddle of thew heel
wit hlug wrench 2and attached auxiliary
to ol 3. #
Remo vespar ewheel brac ket4. #
Remo vethew heel from spar ewheel brac ket
1 .
Installin gthe spar ewheel in ther ear com‐
partment #
Take auxiliar ytool 3and lug wrench 2out
of thev ehicle tool kit . #
Place thew heel ont ospar ew heel brac ket1
in thew heel ar ch. #
Screw ontheb olt along wit hspar ew heel
brac ket4.Todos o, use lug wrench 2with
attached auxiliar ytool 3. #
Tighten theb olt using lug wrench 2and
attached auxiliar ytool 3. #
Stow auxiliar ytool 3and lug wrench 2in
th ev ehicle tool kit. #
Close thet ailgate/rear-en ddoor. Wheels and tires
223

Re
moving the spar ewheel unde rthe rear of
th ev ehicle #
Take thel ug wrenc hand auxiliar ytool fort he
spar ewheel lif tero ut of thev ehicle tool kit
(/ page202). #
Open thet ailgate/rear-en ddoor. #
Carefull ypryoffc over cap 1withas uitable
to ol, e.g. ascrew driver .Bec areful no tto
damag ethe paintwor korthe co vering cap
when doing so. #
Push auxilia rytool 2 thro ugh theo pening
int ot he winc hguide. #
Attach lug wrench 3toauxiliar ytool 2for
th es par ew heel lif ter. #
Turn lug wrench 3inthed irection of ar row
5 until youf eel resis tance or unti lthe fric‐
tion clutc hofthe winc hoverw inds.
The spar ewheel is lo wered. #
Pull thes par ew heel out from under thev ehi‐
cle. #
Press cable 6down wardsa nd hold spring
8 at an angle agains twheel gripper 7.
Wheel gripper 7isreleased. #
Pull wheel gripper 7out of thew heel brace.
Installing thes pare wheel under ther ear of
th ev ehicle
% All
oy wheels canno tbetranspor tedu nder the
ve hicle. In this case, transpor tthe alloy
wheel in thec argo compartment, and only
tur nupc able6. #
Take lug wrench 3and auxiliar ytool 2for
th es par ew heel lif tero ut of thev ehicle tool
kit (/ page202). #
Place thew heel on theg round wit hthe wheel
brace pointing upwards. #
Guide wheel gripper 7at an angle on wire
6 from abo veintot he wheel brace. #
Slide thew heel under thev ehicle alittle. #
Attach lug wrench 3toauxiliar ytool 2for
th es par ew heel lif ter. #
Turn lug wrench 3inthed irection of ar row
4 until youf eel resis tance and thef riction
clutc hoft he winc hoverw inds in jer ks.
The wheel is firm lysecured totheu nderside
of thev ehicle. #
Pull lug wrench 3and auxiliar ytool 2for
th es par ew heel lif tero ut of theo pening for
th ew inch. #
Close thew incho pening wit hcove ring cap
1. #
Stow lug wrench 3and auxiliar ytool 2for
th es par ew heel lif terint hevehicle tool kit. #
Close thet ailgate/rear-en ddoor. 224
Wheels and tires

Note
sont hetech nical data
The given dat aonlya pplies tovehicles with
st andar dequipment. Youc an obtain fur ther infor‐
mation at aqualified specialis tworks hop. On-board electronics
Note
sonw orkont he engine electronics *
NO
TES Premature wearthro ugh
improper main tenance Imprope
rmaintenance ma ycause vehicle
components towe ar mor equickl yand the
ve hicle's operating permit ma ybeinvalidated. #
Alwaysh ave workon thee ngine elec‐
tronics and related components car ried
out at aqualified specialis tworks hop. Tw
o-w ayradios In
stallation no tesf or two- wayradios &
WARNING Risk of accident du eto
improper workon two-w ayradios
If two-w ayradios ar emanipulated or retrofit‐
te di ncor rectl y,thee lectromagnetic radiation
from thet wo -way radios can inter fere with
th ev ehicle electronics and jeopardize the
operating saf etyoft hevehicle. #
Yous houl dhave allworkon electrical
and electronic component scarried out
at aq ualified specialis tworks hop. &
WARNING Risk of accident du eto
improper operation of two-w ayradios
If yo uu se two- wayradios in thev ehicle
improperly ,their electromagnetic radiation
can disrup tthe vehicle's electronics. This is
th ec ase in thef ollowing situations, in partic‐
ular:
R The two-w ayradio is no tconnected toan
ex terior antenna.
R The exterior antenna is ins talled incor‐
re ctly or is no talow-reflection antenna.
Thi scould jeopardize theo perating saf etyof
th ev ehicle. #
Have thel ow -reflection exterior antenna
ins talled at aqualified specialis twork‐
shop. #
When operating two-w ayradios in the
ve hicle, alw aysc onnectt hemtothe
lo w- reflection exterior antenna. *
NO
TEInva lidation of theo perating per‐
mit due tofailur etoc omply wi th the
instructions fori ns tallation and use The operatin
gpermit ma ybeinvalidated if the
instructions fori ns tallation and use of two-
wa yradios ar enotobser ved. #
Onlyuse appr oved frequency bands. #
Obser vethem aximum permissible out‐
put po werint hese frequency bands. #
Onlyuse appr oved antenna positions. Use
Tech nica lSpecification ISO/T S21609 (Road
Ve hicles -EMC guidelines fori ns tallation of af ter‐
mar ketradio frequency transmitting equipmen t)
when retrofitting two-w ayradios. Comply wit hthe
legal requirements ford etachable parts.
If yo ur vehicle has ins tallation sfor two-w ayradio
equipment ,use thep ower suppl yorantenna con‐
nections intended foru se wit hthe ins tallation.
Obser vethem anufacturer's supplement sduring
ins tallation.
Tw o-w ayradio transmission output
The maximum transmission outputs (PEAK) at the
base of thea ntenna mus tnotexc eed thev alues
in thef ollowing table:
Fr equency band and maximum transmission
output Fr
equency band Maximu mtransmis‐
sion output
Sho rtwa ve
3–54M Hz 10
0W
4mw aveband
74 –88M Hz 30 W
2mw aveband
14 4–1 74MHz 50 W
Tr unked radio sys‐
te m/T etra
380 –460 MHz 10 W Te
ch nica ldata 225

Fr
equency band Maximu mtransmis‐
sion output
70 cm waveband
420 –450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 WThe
following device scan be used in thev ehicle
without restrictions:
R Two-w ayradios wit hamaximum transmission
output of up to100mW
R Two-w ayradios wit htransmit terf requ encies
in the3 80 –410 MHz frequency band and a
maximu mtransmissio noutpu tofu pto2W
(trunked radio sy stem/T etra)
R Mobile phones (2G/3G/4G)
Ther eareno restrictions whe npositioning the
antenn aonthe outside of thev ehicle fort he fol‐
lowing frequenc ybands:
R Trunked radio sy stem/T etra
R 70 cm waveband
R 2G/3G/4G Ve
hicl eidenti fication pla te,v ehicle identifi‐
cation number (VIN )and engine number
Ve hicl eidenti fication pla te Ve
hicle identification plate 1is on theB -pillar
on thed rive r's side.
% The dat
aisvehicle-speci fica nd can dif fer
from that shown. Alw ayso bser vethes pecifi‐
cation sonyourvehicle's identification plate. Example:
vehicle identification plat e(US vehicles) Example:
vehicle identification plat e(Canada
ve hicles)
1 Vehicle manufacturer
2 VIN
3 Perm issible grossmassoft hevehicle
4 Perm issible grossmassofv ehicle combina‐
tion
5 Maximum permissible front axle load, vehicle
model
6 Maximum permissible rear axle load, engine
displacement
7 Dateofm anufacture
8 Paint code
Eng rave dV IN in the engin ecom partment 226
Tech nica ldata

VIN
1is engr avedintot he longitudinal member
in thee ngine compartmen tnexttot he fuse box.
Engine number
The engine number is stamped ont othe crank‐
case. Youc an obtain fur ther information from a
qu alified specialis tworks hop. Operating fluids and capacities
Note
sono perating fluids &
WARNING Risk of inju ryfrom operating
fl uids harmful to your health
Operatin gfluids ma ybepoisonous and harm‐
ful to yo ur health. #
Obse rvet he text on theo riginal contain‐
er sw hen using, storing or disposing of
operating fluids. #
Alwayss tore operating fluids sealed in
th eir original containers. #
Alwaysk eep children away from operat‐
ing fluids. +
ENVIRONMEN
TALN OTE Environmental
pollution du etodisposing of operating
fl uids in anon-en vironmen tallyr esponsi‐
ble manner Incor
rect disposal of ope rating fluids can
caus econsiderable damag etothe environ‐
ment. #
Dispose of operating fluids in an envi‐
ro nmentally responsible manner. Operating
fluids include thef ollowing:
R Fuels
R Lubricants
R Coolant
R Brakefluid
R Windshield washer fluid
R Climat econtrol sy stem refrigerants
Only use products whi chhave been appr ovedfor
yo ur vehicle byMercedes-Benz. Damag ecaused
by theu se of products that ha venotb een
appr ovedisn otcoveredbyt he Mercedes-Benz
guarantee or goodwill gestures. Yo
uc an identif yoperatin gfluids appr ovedby
Mercedes-Benzbyt hefollowing insc ript ions on
th ec ontainer:
R MB-F reigabe (e.g. MB- Freigabe 229. 51 )
R MB-Appr oval (e.g. MB-App rova l2 29.51)
Fu rther information on appr ovedoperating fluids
is available at thef ollowing locations:
R IntheMBS pecification sfor operating fluids
at https://be vo.mercedes-benz.com (by
entering thed esignation)
R Ataq ualified specialis tworks hop
Ad ditives (special additives) fora pprove do perat‐
ing fluids ar eneith er requ ired nor permit ted.
Appr ovedfuel additives ar ethe exc eption. Addi‐
tives can cause engin edamag eand mus tthere‐
fo re notb ea dded totheo perating fluids.
The use of additives is alw ayst he responsibility
of thev ehicle operator .The use of additives may
re sult in ther estriction or loss of your wa rranty
claims. &
WARNING Risk offire or explosion from
fuel
Fu els ar ehighl yflammable. #
Fire, open flames ,smokin gand creation
of spar ksmus tbea voided. #
Swit chofft he ignition and, if available,
th es tationar yheater ,befor eand while
re fueling thev ehicle. &
WARNING Risk of inju ryfrom fuels
Fu els ar epoisonous and hazardous to your
health. #
Do no tswa llowf uel or le titcomeinto
con tact wi thskin, eyes or clo thing. #
Do no tinhale fuel vapor. #
Keep children away from fuel. #
Keep door sand windo wsclosed du ring
th er efueling process.
If yo uoro ther people come int ocontact with
fuel, obser vethef ollowing: #
Immediatel yrins efueloffyo ur skin with
soap and water. #
If fuel comes int ocontact wit hyour
ey es, immediatel yrins ethem thor‐
oughly wit hclean water.Seek medical
attentio nimmediately. Te
ch nica ldata 227

#
Ifyo us wallowf uel, seek medical atten‐
tio nimmediatel y.Do no tinduce vomit‐
ing. #
Chang eimmediately out of clo thing that
has com eintoc ontact wi thfuel. Fu
el Note
sonf uelgrades on vehicles with agaso‐
line engine
Obse rvet he no tesono perating fluids
(/ page227).
* NO
TEDama gedue toincor rect fuel Even small amounts of
thew rong fuel could
re sult in damag etothe fuel sy stem, engine
and exhaus tsystem. #
Onlyrefuel using lo w-sulfur ,unleaded
premium grade gasoline wit hatleast
91 AKI/95 RON/95 ROZ.
This fuel ma ycontain up to10%e thanol by
vo lume. Your vehicle is suitable foru se with
E1 0f uel.
Ne verrefuel wit hthe following:
R Diesel
R Gasoline wit hmoret han 10%e thanol by
vo lume, e.g. E15, E20, E85, E100
R Gasoline wit hmoret han 3% me thanol by
vo lume, e.g. M15, M30 ,M50,M 85,M 100
R Gasoline wit hadditives con tainin gm etal #
Do no tmix su chfuel switht he fuel rec‐
ommended fory our vehicle.
If yo uh ave accidentally refueled wit hthe
wrong fuel: #
Do no tswit ch th eignition on. #
Consult aqualified specialis tworks hop. *
NO
TEMalfunctions du etocontaminated
fuel Fu
el contamination can lead tomalfunctions
in thef uel sy stem. #
Ifyo ua reusin gdrums or canis ters to
re fuel thev ehicle, yous houl dfilter the
fuel befor efilling. If
th ea vailable fuel is no tsufficiently lo winsulfur,
th is can produce unpleasant odors. The
recommended octane number fory our vehi‐
cle can be found on thei nstruction label in the
fuel filler flap (/ page106).
Fu rther information on fuel can be obtained at a
ga ss tatio noraq ualified specialis tworks hop.
Note sona dditives in gasoline
Obser vethen otes on operating fluids
(/ page227).
* NO
TEDama gefrom use of unsuitable
additives Even smal
lamounts of thew rong additive
ma ylead tomalfunctions. #
Only add cleaning additives recommen‐
ded forM ercedes-Benzt othe fuel. Mercedes-Benz
recommends using brand-name
fuels wi thadditives.
In som ecountries, thea vailable fuel ma ynotcon‐
ta in suf ficient amounts of additi ves. Deposits
could buildupint he fuel injection sy stem as a
re sult.
In this case, in consultation wit haMercedes-
Ben zCommercial VanC enter,th ef uel should be
mixed wit hthe cleaning additiv erecommended
by Mercedes-Benz.
Yo um usto bse rvet he no tesa nd mixing ratios
indica tedont hetank.
Ta nk content and reser vefuel
Capacity Model
Total capacity
Al lm odels Approx.1 8.5 US gal
(70 liters) Model
Of whichreser ve
fuel
All model sA pprox.3 .2 US gal
(1 2l iters) Engine oil
Note
sone ngine oil
Obser vethen otes on operating fluids
(/ page227). 228
Tech nica ldata

*
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