radiator MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

Note
sabout attachments, add-on equip‐
ment, installations and con versions
Note sonb ody/equipment mounting direc‐
tives
Bo th vehicle manufacturer sand body manufac‐
turer smusta lway se nsur ethat thep roducts they
manufactur ecome int ocirculation only in asafe
st at ea nd do no tpose an yrisk stop eople. Other‐
wise, ther em aybe consequences under civil,
criminal or public la w.All manu facturer sare
re sponsible fort he products that they have man‐
ufactured. Manufacturer sofattachments, add-on
equipment, ins tallation sand con versions must
guarantee complianc ewithD irective
2001/95/E Congeneral product saf ety.
Mercedes-Benz recommends thef ollowing proce‐
dur efor saf etyr easons:
R Do no tmakea ny ot herchanges tothev ehi‐
cle.
Ac cep tance testsp erform ed bypublic test bodies
or of ficia lapp rova ls do no trule out saf etyr isks.
% Yo
uc an obtain fur ther information at aquali‐
fi ed specialis tworks hop. &
WARNING Risk of accident and inju ryin
th ee vent of imprope rconversions or
ch anges tothev ehicle
Con versions or changes tothev ehicle can
pr ev ent sy stems or components from func‐
tionin gproper lyand/or jeopardiz ethe vehi‐
cle's operational saf ety. #
Alwaysh ave conversions or changes to
th ev ehicle car ried out at aqualified
wo rkshop. If
yo ui ntend tomak echanges to yourvehicle,
Mercedes-Benzs tron glyr ecommends that you
contact thed ealer .The yw ill giv eyou all thei nfor‐
mation youn eed. Ther emaybe acharg efor this
service.
If body manufacturer sand dealer smakem odifi‐
cations that af fect thef ina linspection of the
engine, vehicle or equipment, they mus taccept
sole responsibility fort he vehicle. This also
appliestom arking and documenting thev ehicle
parts af fected bythec hanges that they make. Yo
ua re re sponsible fore nsuring and pr oviding
ev idenc ethat thef ollowing condition sareme t:
R The vehicle complies wit hallre leva nt stand‐
ards and regulations that ar eaffected bythe
modification.
R The modified vehicle still meets thev ehicle
saf etys tandards and emission slaws andreg‐
ulations.
R The modification does no timp air thes afet yof
th ev ehicle.
Mercedes-Ben zisnotresponsible fort he final
inspection, product liability or warrant yclaims
re sulting from modification. This applies tothe
fo llowing points:
R The modified components or sy stems
R The resultant violation of emissions la wsand
re gulations or vehicle saf etys tandards
R All consequences resulting from them odified,
less saf eorevenf aulty vehicle
Mercedes-Benza ccepts noresponsibility as final
manu facturer or fort he resultant product liability.
Note sont heradiator
Even seeming lyminor changes tothev ehicle,
suc hasa ttaching aradiator grill in winter ,are not
permitted. Do no tcover ther adiator .Donotuse
an yt hermal mats, insect pr otection co vers etc.
Otherwise, thev alues of thev ehicle's diagnostic
sy stem will be dis torted. Some of these values
ar ep rescribed bylawa nd mus tbecorrect at all
times.
Note sont he partition
Wi thout apartition ,vehicles that ar eregis tered
as commercial vehicles (N1) do no tfulfill
ISO 27956, whi chdescribes thee quipment for
properly securing aload in deliver yvehicles. If
th ev ehicle is used totranspo rtgoods, retrofitting
th ep artition is stro ng lyrecommended ,asprop‐
erly secu ring thel oad in vehicles without aparti‐
tion will alw aysbeac omplexoperation. Operating Instructions
These Operating Instructions describe all models,
as well as standar dand optional equipmen tof
yo ur vehicle that wa sa vailable at thet ime of
going topress. Countr y-specific dif fere nces are
possible .Notet hat your vehicle ma ynotbe
equipped wit hall functions described. This is also
th ec ase fors yst ems and functions releva nt to
saf ety. Therefore, thee quipment on your vehicle 14
Generaln otes

traf
fica nd inter vene if necessa ry.Bea wareofthe
limitation sregarding thes afeu se of these sys‐
te ms.
If yo uf ail toadap tyour driving style, thed riving
sy stems can neither reduce ther isk of accident
nor override thel aws of ph ysics. The road and
we ather condition saswell asthet raffic situation
canno talway sbet aken in toaccount. In
fo rm ation on vehicl esensor sand cameras Some driving and driving saf
etys ystems use
camera sand radar or ultrasonic sensor stomoni‐
to rt he area in front of, behind or next tothev ehi‐
cle. 1
Multifunction camera
2 Ultrasonic sensors
3 Rear vie wcamera
% Depending on
thev ehicle's equipment, the
ra dar sensor sareintegrated on thes ide of
th er ear bumper sand/or behin dthe
Mercedes star in ther adiator grill. &
WARNING Risk of accident du eto
re stricted de tection per form anc eofv ehi‐
cle sensor sand cameras
If th ea reaa round vehicle sensor sorcameras
is co vered, damaged or dirty ,certain driving
and saf etys yst ems cann otfunction cor rectly.
The reisar isk of an accident. #
Keep thea reaa round vehicle sensor sor
cameras clear of an yobstructions and
clean. #
Have damag etothe bumper ,radiator
grille or stone chipping in thea reaof th
ef ront and rear wind owsrepaired at a
qu alified specialis tworks hop. Ke
ep thea reas of thec amera sand sensor sfree
of dirt, ice and slush (/ page184). The sensors
and cameras and their de tection area smustn ot
be co vered. Do no tattac hadditional license plate
holders, advertisin gmedia, sticke rs,foils or stone
pr otection foils in thed etection rang eoft he sen‐
sor sand cameras. Ensur ethat no pr otru ding load
ex tends int othe de tection area.
In thee vent of damage, or following aseve re
impact ,have thef unction of thes ensor schec ked
at aq ualified specialis tworks hop. Ha vedamage
or stone chips in thea reaoft he cameras
re paired at aqualified specialis tworks hop. Overvie
wofdriving sy stems and driving
saf etys ystems In
this section, youw illfind information abou tthe
fo llowing driving sy stems and driving saf etys ys‐
te ms:
R ABS ( Anti-lock BrakingSystem)
(/ page111 )
R BAS(Bra ke Assist System) (/ page111 )
R ESP ®
(Ele ctronic Stability Program)
(/ page111 )
R EBD ( Electronic Brakeforce Distribution)
(/ page113 )
R ActiveB rake Assi st (/ pag e113 )
R Cruis econt rol(/pa ge115)
R ActiveD ista nce Assi stDISTRONIC
(/ page 116)
R Hill star ta ssis t(/pag e120)
R HOLD function (/ page121 )
R Parking Assis tPARKTRONIC (/ page 122)
R Rear vie wcamer a(/ pag e123)
R ActiveP arking Assis t(/pag e125)
R ATTENTION ASSIS T(/ pag e127)
R Blind Spo tAssis t(/pag e129)
R Lane Keeping Assis t(/pag e129) 11 0
Driving and pa rking

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