maintenance MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

&
WARNING Risk of bu rnsf romh otcom‐
ponent parts in thee ngine compartment
Cer tainc omponent pa rtsint he engine com‐
partment can be very hot, e.g. thee ngine, the
cooler and pa rtsoft heexhaus tsystem. #
Allowthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. *
NO
TEDama gecaused byrefilling too
muc hengine oil To
om uche ngine oil can damag ethe engine
or thec atalytic con verter. #
Have excess engine oil remo vedata
qu alified specialis tworks hop. *
NO
TEEngine damag eduetouse of addi‐
tives in thee ngine oil The use of additional additives in
thee ngine
oil can damag ethe engine. #
Do no tuse an yadditional additives in
th ee ngine oil. +
ENVIRONMEN
TALN OTE Environmental
damag ecaused byspilling oil when refill‐
ing Damag
eiscaused tothee nvironmen tifspil‐
led oil enter sthe soil. #
When refilling oil, mak esuren oneis
spilled. Example: engin
eoilfiller opening #
Obser vethei nformation rega rding appr oved
engine oil under "Operating fluids and capaci‐
ties" (/ page228). #
Unscr ewand remo vecap 1. #
Refill engin eoil. #
Place cap 1onthef iller openin gand
tigh ten.
Whe ndoing so, mak esuret hat thec ap
engages cor rectly. #
If present, checkt he oil le velu sing theo il dip‐
st ick( / pag e179). #
Inthec ase of vehicles without an oil dipstic k,
ch eckt he oil le velw itht he on-boar dcom‐
puter af tert he next journe y(/ pag e178).
It is necessa ryto runt he engine forane xtended
perio dafter eac hoilre fill to cor rectly de tect the
oil le vel. Fill le velc hanges during oil refills may
no tbei mmediately visible. Depending on the
driving profile, then ew oil le velc an onl ybedis‐
pla yeda fter ad riving time of up to60 minutes.
If necessa ry,o nlyr efill theq uantity of oil shown
in thei nstrument clus terd ispla yand checkt he
oil le vela ga in af tert he next journe y. Checking/adding coolant
&
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. &
WARNING Risk of scalding from hot
coolant
If yo uo pen thec ap, youc oul dbes calded. #
Letthe mo torc ool down befor eopening
th ec ap. #
When opening thec ap, wear pr otective
gl ove sand saf etyg lasses. #
Open thec ap slowl ytorelease pres‐
sure. 18 0
Maintenance and care

Only
checkt he coolant le vela nd/or fill th ec ool‐
ant if thev ehicle is stationar y,on aleve lsurface
and thee ngine has cooled down. The coolant
te mp eratur emustbeb elow1 22°F (50°C). &
WARNING Risk of bu rnsf romh otcom‐
ponent parts in thee ngine compartment
Cer tainc omponent pa rtsint he engine com‐
partment can be very hot, e.g. thee ngine, the
cooler and pa rtsoft heexhaus tsystem. #
Allowthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. #
Coolant con tains glyc ol and is therefor epoi‐
sonous. Obser vethei nformation under
"Operating fluids and capacities"
(/ page230).
* NO
TEPaint wo rkdamag eduetocoolant If coolant
getsonp ainted sur faces, thep aint‐
wo rkcan be damaged. #
Addc oolant carefully. #
Remo vespilledc oolant. Re
gular lych eckt he engine cooling sy stem and
th eh eating sy stem forl ea ks.Ift hereisal oss of
coolant ,have thec ause de term ined and rectified
in aq ualified specialis tworks hop without dela y. Example: cap and coolant
expansion reser voir
Checking thec oolant le vel #
Slowly tur ncap 1 of coolant expansion res‐
er vo ir2 half aturnc oun ter-clockwise and
allo woverpressur etoe scape. #
Turn cap 1further and remo veit. The coolan
tleve lisc orrect in thef ollowing cases:
R Uptomar kerb ar3 when thee ngine is cold
R Ifth ee ngine is warm,upto0 .6 in (1.5 cm)
ove rmarke rb ar3
Ad ding coolant
Only use coolant appr ovedfor Mercedes-Benz to
av oid damaging thee ngine cooling sy stem. #
Refe rtot he information on coolant
(/ page230). #
Refill th ec oolant up tomar kerb ar3 inthe
fi ller openin gofcoolantexpansio nreser voir
2. #
Replace cap 1and tighten in aclockwise
direction. #
Startt he engine. #
Setthe temp eratur einthevehicle interior to
th em aximum output on thec ont rolp anel of
th ec limat econt rol. #
Aftera pproxima tely five minutes, switc hoff
th ee ngine again and allo wittocool down. #
Che ckthec oolant le vela ga in and add coolant
if necessar y. Re
filling thew indshield washer sy stem &
WARNING Risk offire and injur yfrom
windshiel dwashe rconcentrate
Wi ndshield washer concentrat eishighlyflam‐
mable. #
Avoid fire ,o pen flames ,smokin gand
th ec reation of spar kswhen using wind‐
shield washer concentrate. &
WARNING Risk of bu rnsf romh otcom‐
ponent parts in thee ngine compartment
Cer tainc omponent pa rtsint he engine com‐
partment can be very hot, e.g. thee ngine, the
cooler and pa rtsoft heexhaus tsystem. #
Allowthe engine tocool down and only
to uc hc omponent parts desc ribed in the
fo llowing. *
NO
TEDama getothee xterio rlighting
due tounsuitable windshield washer fluid Uns
uitable windshield washer fluid ma ydam‐
ag et he plastic sur face of thee xterio rlighting. #
Onlyuse windshield washer fluids that
ar ea lso suitable foru se on plast ic sur‐ Maintenance and care
181

fa
ces, e.g. MB SummerFit or MB Winter‐
Fit. Re
filling washer fluid Wa
sher fluid reser voir (e xamp le) #
Obser vethen otes on washer fluid
(/ page231). #
Pull cap 1upwards bythet ab. #
Addw ashe rfluid . #
Push cap 1ontothe filler openin guntil it
audibly engages. Cleaning and care
Note
sonw ashingthe vehicl einana utomatic
car wash &
WARNING Risk of accident du eto
re duced braking ef fect af terw ashing the
ve hicle
The braking ef fect is reduced af terw ashing
th ev ehicle. #
Aftert he vehicle has been washed,
brak ecarefully while paying attention to
th et raffic condition suntil theb raking
ef fect has bee nfully restored. *
NO
TEDama getothev ehicle due toauto‐
matic braking When
thef ollowing function sareactivated,
th ev ehicle brakes automatically in cer tain sit‐
uations:
R ActiveB rake Assi st
R ActiveD ista nce Assi stDISTRONIC
R HOLD function
To avo id damag etothevehicle, deactivate
th ese sy stems in thef ollowing or similars it‐
uations: #
When towing #
Inac arwa sh *
NO
TEDama gedue tounsuitable car
wa sh #
Befor edriving int oacarwa sh make
sur ethat thec arwa sh is suitable fort he
ve hicle dimensions. #
Ensur ether eiss ufficient ground clear‐
ance between theu nderbody and the
guide rails of thec arwa sh. #
Ensur ethat thec learance widt hofthe
car wash, in particular thew idthoft he
guide rails, is suf ficient. To
avo id damag etoyourvehicle, obser vethef ol‐
lowing befor eusing an automatic car wash:
R ActiveB rake Assi stis deactivated.
R ActiveD ista nce Assi stDISTRONI Cisdeacti va‐
te d.
R The HOLD function is switched off.
R The side windo wsand roof ar ecomple tely
closed.
R Theo utside mi rror sa refolded in and an addi‐
tional antenn aisremoved, if present.
R The climat econtrol blo weriss witched off.
R The windshieldw iper switchisinposition005A.
If th ev ehicle is very dirty ,wash of fexcess dirt
befor ecleaning thev ehicle in an automatic car
wa sh. 18 2
Maintenance and care

#
Carefull yspra ythe vehicle wit hwater and dry
of fw ithal eather clo th.Don otpoint the
wate rjet directly int othe air inle tgrille.
When operating thev ehicle in winter ,remo veall
traces of road salt deposits carefull yand as soon
as possible. Note
sonc areofp aint and matte finish *
NO
TEPaint wo rkdamag eand cor rosion
due toinadequat ecare Fa
ilur etop romp tly and thoroughly remo ve
dir tfromb irdd roppings or other residue
could result in paintwor kdamag eand cor ro‐
sion at alater date. #
Cleand irto ffpaint and matt efinish
th oroughly and as soon as possible. Obser
vethen otes on cleaning and car einorder
to avoid damag etothe paintwor k.
Pa int
R Insect remains: soak wit hinsect remo vera nd
th en wash off.
R Birdd roppings: soak wit hwater and then
wa sh off.
R Tree resin, oils, fuels and greases: remo veby
ru bbing gentl yw ithac loth soaked in petro‐
leum ether or lighter fluid.
R Coolan tand brak efluid: remo vewit had amp
clo thand clear water.
R Tars tains :use tarr emo ver.
R Wax: us eas ilicone remo ver.
R Do no taffix sticke rs,f ilms or similar.
R Remo vedirtass oon as possible.
Mat tefinish
R Onlyuse car eproducts appr ovedfor
Mercedes-Benz.
R Do no tpolish thev ehicle and allo ywheels.
R Onlyusestate-of- the-ar tcar wa shes.
R Do no tuse aw ash program that end switha
ho tw ax treatmen tinautom atic car washes.
R Do no tuse paint cleaners, buf fing or polish‐
ing products, or gloss preser vers,e .g. wax.
R Alwaysh ave paintwor krepair scarried out at
aq ualified specialis tworks hop. Note
sont he car eofvehicle parts &
WARNING Risk of inju ryif unsuitable
climbin gaids ar eused
If yo uu se opening sinthevehicle's body work
or de tach able parts as steps, youc ould:
R Slip and/or fall.
R Damag ethe vehicle and thus slip and fall. #
Alwaysu se anti-slip, stable climbing
aids, e.g .asuitable ladder. &
WARNING Risk of entrapment if the
windshield wiper sareswit ched on while
th ew indshield is being cleaned
If th ew indshield wiper saresetinm otion
while youa recleanin gthe windshield or
wiper blades, youc an be trapped bythew iper
arm. #
Alwayss witc hoffthew indshield wipers
and thei gnition befor ecleaning the
windshield or wiper blades. &
WARNING Risk of bu rnsf romt hetailpipe
and tailpipe trims
The exhaus ttailpipe and tailpipe trims can
becom everyh ot.Ify ou come int ocontact
wi th th ese parts of thev ehicle, youc ould
bur nyourself. #
Alwaysbep articularly careful around
th et ailpipe and thet ailpipe trims and
supervise children especially close lyin
th is area. #
Allowvehicle parts tocool down before
to uchin gthem. *
NO
TEDama gecaused bytheu se of
openings in theb odywor kordetachable
par tasa step Using
thel owe rguide of thes liding door (car‐
ri age) as astepc an damag ethe trim and/or
mechanism of thes liding door. #
Do no tuse theg uide of thes liding door
(car riage) as astep. %
Information on suitable cleaning agentsor
cleaning clo
thsc an be obtained from aquali‐
fi ed specialis tworks hop. 184
Maintenance and care

To
avo id damag etothevehicle, follo wt he
instructions forc leaning and car eofthefollowing
ve hicle parts:
Wheels and rims
R Use watera nd acid-free alloy wheel cleaner.
R Do no tuse acidic allo ywheel cleaner sto
re mo vebrak edust. Otherwise, wheel bolts
and brak ecomponents could be damaged.
R Toavo id cor rosion of brak ediscs and brake‐
pads, driv efor afew minutes af terc leaning
befor eparking thev ehicle. The brak ediscs
and brakepads warm up and dr yout.
Wi ndo ws
R Clean thew indo wsinside and outsid ewitha
dam pcloth and wit hacleaning agent recom‐
mende dfor Mercedes-Benz.
R Do no tuse dr ycloth sora brasiv eorsolvent-
based cleaning agents toclea nthe inside of
windo ws.
Wi per blades
R Carefully clea nthe folded-a wayw iper blades
wit had ampcloth.
R Fold wiper ar mawayfromt herear wind ow
( / pag e87).
R Do no tclean thew iper blades tooo ften.
Exterior lighting
R Clean thec oversw ithaw etspong eand mild
cleaning agent, e.g .car sha mpoo.
R Onlyuse cleaning agents or clo thss uitable
fo rp last ic co vers.
Sensors R Clean thes ensor sinthe front and rear bump‐
er sw ithas oftc loth and car shampoo
(/ page110).
R When using apowe rwashe r,ke ep am inimum
dis tance of 12in (30 cm).
Re ar vie wcamera
R Vehicles with atailgate: switc hont he igni‐
tion and shif tthe transmission tothe 005Eposi‐
tion toopen thec amera co verw hen the
engine is switched of f(/pag e110).
R Usec lean wate rand asoftc loth toclea nthe
camer alens.
R Do no tuse ap owe rwashe r. Sliding door
R Remo vefore ign object sfromt he vicinity of
th ec ontact plates and contact pins of the
sliding door.
R Cleant he contact plates and contact pins
wit ham ild cleaning agent and asoftc loth.
R Do no toilor grease thec ontact plates and
th ec ontact pins.
Ta ilpipes
R Clean wit hacleanin gagent recommended for
Mercedes-Benz, especially in thew inter and
af te rw ashing thev ehicle.
R Do no tuse acidic cleaning agents.
Tr aile rhitch
Obse rvet he no tesonc areint he trailer hitch
manufacturer's operating instructions. Note
soni nterior care &
WARNING Risk of inju ryfrom pla stic
parts breakin goffafte rt he use of sol‐
ve nt-based care products
Ca reand cleaning products con tainin gsol‐
ve nts can cause su rfaces in thec ockpit to
become porous. When thea irbags are
deplo yed, plastic parts ma ybreak away. #
Do no tuse anyc areorc leaning prod‐
ucts containing sol vents toclea nthe
cockpit. &
WARNING Risk of inju ryor deat hfrom
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, fore xamp le, cause seat belt stotear
or fail in an accident. #
Neverb lea ch or dy eseat belts. To
avo id damag etothevehicle, obser vethef ol‐
lowing instructions forc leaning and care:
Seat belts
R Clean wit hlukewa rmsoap ywater.
R Do no tuse chemical cleaning agents.
R Do no tdryby heating abo ve176°F( 80 °C)
or in direct sunlight. Maintenance and care
18 5

Display
R Switc hoffthed ispla yand le titcool down.
R Clean thes urface carefully wi tham icro fiber
clo thand asuitable displa ycarep roduc t(TF T-
LC D).
R Do no tuse anyo ther agents.
Plastic trim R Clean wit hadampm icrofiber clo th.
R Forh eavy soiling: use acleaning agent rec‐
ommended forM ercedes-Benz.
R Do no taffix sticke rs,f ilms or similar.
R Do no tallowtoc ome int ocontact wi thcos‐
metics, insect repellent and sun creams.
Headliner
R Clean wit habrush or dr yshampoo.
Carpet R Use acarpe tand textil ec leaning agent rec‐
ommended forM ercedes-Benz.
Genuine leather seat co vers
R Clean wit hadampcloth and then wipe wit ha
dr yc loth.
R Leather care: use aleather car eagent recom‐
mende dfor Mercedes-Benz.
R Do no tclean thel eather wit htoo muc hliquid.
R Do no tuse am icrofiber clo th.
Seat co vers made of artificial leather
R Clea nwithad ampcloth and 1% soap ywater.
R Do no tuse am icro fiber clo th.
Clo thseat co vers
R Clean wit hadampm icro fiber clo thand 1%
soap solution and allo wtodry.
Genuin eleather steering wheel
* NO
TEDama gecaused bywrong cleaners #
Do no tuse solvent-based cleaning
agent ssuchast arremo verorw heel
cleaner ;neither should youu se polishes
or wa xes. Otherwise youm aydamage
th ef inish. R
Clean wit hadampcloth and 1% soap ywater
and wipe wit hadryclo th.
R Forh eavy soiling: use acleaning agent rec‐
ommended forM ercedes-Benz.
R Vehicles wit hleather uphols tery :u se a
leather car eagent recommended for
Mercedes-Benz. R
Do no tclean thel eather wit htoo muc hliquid.
R Do no tuse am icrofiber clo th.
% Leather is
anatural product. It has natural
sur face characteristics, e.g .diffe re nces in
st ru cture, trace sofgrowt ha nd injur yor
sligh tcolor nuances.
Re alwo od and trim elements
R Clean wit hamicro fiber clo th.
R Blackpiano-lacquer look: clean wit hadamp
clo thand soap ywater.
R Forh eavy soiling: use acleaning agent rec‐
ommended forM ercedes-Benz.
R Do no tuse sol vent-based cleaning agents,
polishes or waxes. 18 6
Maintenance and care

Electrical fuses
Note
sone lectrical fuses *
NO
TEElectrica lfuses #
Obser vethei nformation in thes upple‐
ment .You ma yotherwise failto recog‐
nize dangers. The fus
eallocation charta nd thei nformation on
th ef uses can be found in the" Fuse allocation
ch art" Supplement. Ve
hicl etool kit Information on
thev ehicle tool kit The
vehicle tool kit storag elocation depends on
th ee quipment version of thev ehicle.
The following ar eexamp les of storag elocations:
R Inthes eat base of thel eftf ront seat
R Inther ear storag ecompartment
R Inthet ool holder in thec argo compartment
Apar tfroms ome count ry-specific variants, vehi‐
cles without aspar ew heel ar enotequipped with
at ire-changing tool.
If yo ur vehicle is equipped wit hatire-chang etool
kit, youc an find it in thev ehicle tool kit.
If th ev ehicle tool kit is stored in thed rive r's seat
base, youc an find thej ackinas eparateholder
at ther ear of thec argo compartmen tonthe
ri ght-han dside (/ page203).
Some tools forc hanging awheel ar especific to
th ev ehicle. Form orei nformation on whic htire-
ch ang etools ar erequired and appr oved forp er‐
fo rm ing awheel chang eony ourvehicle, consult
aq ualified specialis tworks hop.
Re quired tire-chang etools ma yinclude thef ol‐
lowing, fore xamp le:
R Jack
R Lugw rench
R Ratche twrench
% The jac
khasam aximum weight of 16.5 lbs
(7.5 kg)d epending on thev ehicle's equip‐
ment.
Yo uw illfind them aximum load capacity of
th ej acks tatedont he adhesiv elabel
attached tothej ack. The jac
kismaintenance-free. If ther eisa
malfunction, please contact aqualified spe‐
cialis tworks hop. Opening and closing
thes towa ge compa rt‐
men tint he seat base St
orag ecompartmentint he seat base ofthel eft
front seat #
Toopen: press cat chsprings 1down and
re lease co ver2upwards from thes eat base.
Co ver 2can be remo vedbyp ulling upwards
at an angle from thes eat base. #
Remo vethec lamping stra pa nd remo vethe
ve hicle tool bag.
% Fo
rv ehicles wit hatire-chang etool kit, the
jac kisinas eparateholde rint herear right-
hand side of thec argo compartment
(/ page203). #
Toclose: afte rs towing thev ehicle tool bag,
inser tcover 2 belo wint he seat base and
fo ld shut.
Catc hsprings 1of co ver2should engage
audibly. Breakdown assi
stance 201

#
On le velter rain: place choc ks orother suita‐
ble objects under thef ront and rear of the
wheel that is diagonall yopposit ethe wheel to
be changed. #
On sligh tinclines: placechoc ks orother
suitable objects under thew heels on the
front and rear axle sopposit ethe wheel tobe
ch anged. #
If included in thev ehicle equipment, take the
tire-chang etool kit out of thev ehicle tool kit
(/ page202). #
If included in thev ehicle equipment, remo ve
th es par ew heel from thes par ew heel brac ket
( / pag e223). #
If necessar y,remo vetheh ub cap. #
Using thel ug wrench, loosen thew heel nuts/
bolts on thew heel youw ish tochang eby
about one full turn. Do no tunscr ewthew heel
bolts/nuts comple tely. #
Raise thev ehicle (/ page219). Ra
ising thev ehicle when changing awheel &
WARNING Risk of inju ryfrom incor rect
positioning of thej ack
If yo udon otposition thej ackc orrectl yatt he
appropriat ejackin gpointoft hevehicle, the
jac kc ould tip wi th thevehicle raised. #
Onlyposition thej ackatt he appropriate
jacking point of thev ehicle. The base of
th ej ackm ustbep ositioned vertically
under thej acking point of thev ehicle. &
WARNING Risk of inju ryfrom vehicle tip‐
ping
On slopes, thej ackc ould tip wit hthe vehicle
ra ised. #
Neverc hang eaw heel on aslope. #
Consult aqualified specialis tworks hop. *
NO
TEVehicle damag efromt he jack If
yo udon otpositio nthe jac kcorrectl yatt he
appropriat ejacks uppor tpoin toft hevehicle,
th ej ackc ould tip overwitht he vehicle raised. #
The jac kisdesigned exclusively for
jacking up thev ehicle at thej acks up‐
por tpoints. Re
quirements:
R Ther eareno persons in thev ehicle.
R The vehicle is prepared forc hanging awheel
(/ page218).
Impo rtant no tesonu singthej ack:
R Onlyusethev ehicle-speci ficj ackt hat has
been tested and appr ovedbyM ercedes-Benz
to raise thev ehicle. If thej ackisu sed incor‐
re ctl y,it could tip overwhilet he vehicle is
ra ised.
R The jac kisdesigned onl ytoraisethev ehicle
fo ras horttime whil eawheelisb eing
ch anged and is no tsuitable forc arrying out
maintenance workunde rthe vehicle.
R Avoid changing awheel on uphill and downhill
slopes.
R The jac kmustbep lacedonaf irm,flat and
non-slip sur face. If necessar y,use alarge,
fl at, load bearing and non-slip unde rlay.
R The base of thej ackisp ositioned vertically
under thej acks uppor tpoint.
Saf etyi nstruction swhile thev ehicle is raised:
R Do no tputyour hands or feet unde rthe vehi‐
cle.
R Do no tlie underneat hthe vehicle.
R Do no tstart thev ehicle and do no trelease
th ep arking brake.
R Do no topen or close an ydoors. Wheels and tires
219

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

Wi
ndshield washer fluid Note
sonw indshield washer fluid
Obser vethen otes on operating fluids
(/ page227). &
WARNING ‑Riskoff irea nd injur yfrom
windshiel dwashe rconcentrate
Wi ndshield washer concentrat eishighlyflam‐
mable. It could ignit eifitcomes int ocontact
wi th hote ngine component parts or the
ex haus tsystem. #
Mak esuret hat no windshield washer
concentrat espills out next tothef iller
opening. *
NO
TEDama getothee xterio rlighting
due tounsuitable windshield washer fluid Uns
uitable windshield washer fluid ma ydam‐
ag et he plastic sur face of thee xterio rlighting. #
Onlyuse windshield washer fluid which
is also suitable foru se on plast ic surfa‐
ces, e.g. MB SummerFit or MB Winter‐
Fit. *
NO
TEBlocked spr aynozzle scaused by
mixing windshield washer fluids #
Do no tmix MB SummerFit and MB Win‐
te rFit wit hother windshield washer flu‐
ids. Do no
tuse distilled or de-ionize dwater .Other‐
wise, thef ill le vels ensor ma ygiveaf alse reading.
Re commended windshield washer fluid:
R Abo vefreezing point :e.g. MB SummerFit
R Belo wfreezing point :e.g. MB WinterFit
Fo rthe cor rect mixing ratio ,refer tothei nforma‐
tion on thea nti-freeze container.
Mix thew ashe rfluid wit hwindshield washer fluid
all year round. Re
frigerant Note
sonr efrigerant
Obser vethen otes on operating fluids
(/ page227).
% Yo
ur vehicle's climat econt rols ystemisf illed
wit hthe refrigerant R134a. The refrigerant
R134a contains fluorinated greenhouse gas. *
NO
TEDama gedue toincor rect coolant Using
thew rong coolant can damag ethe air
conditioning sy stem. #
Onlyusether efrigerant R134a or the
PA Go il appr ovedbyM ercedes-Benzf or
yo ur vehicle. #
The appr ovedPAG oil mus tnotbe mixed
wit ha nyPAGo ilth at is no tappr ove dfor
th er efrigerant R134a. Maintenance
work,s uc hasa dding refrigerant or
re placing components, ma ybecarried out only
by aq ualified specialis tworks hop. All thea pplica‐
ble regulations relatin gtot his and theS AE J639
st andar dmustbea dhered to.
All workon thec limat econt rols ystems hould
alw aysbec arried out at aqualified specialist
wo rkshop.
The information label fort he refrigerant tobe
used can be found on ther adiator cross-member. Example:
refrigerant information label
1 Warning symbols
2 Refrigerant capacity
3 Applicabl estandards
4 PAGo il par tnumber
5 Refrigerant type
Wa rning symbols 1refertot hefollowing:
R Potential dangers
R The per form anc eofm aintenance workat a
qu alified specialis tworks hop
Re frigerant capacity
Fr ont air conditioning Model
Refrigerant
All model s2 1.2oz( 600 g) Model
PAGo il
All model s2 .8 oz (79 g) Te
ch nica ldata 231