heating MERCEDES-BENZ E WAGON 2021 User Guide

#
Adjus tth etir epr essur ewher eneces ‐
sar y. Ti
re pressur ewhic his toohigh ortoolow can:
R Shor tenth eser vice life of thetir es.
R Cause increased tiredamag e.
R Adversely affect drivi ng charact eristic sand
th us drivin gsaf ety, e.g. due tohydroplaning. &
WARNIN GRisk ofacci dent dueto too
lo w atir epr essur e
Ti re swit hpr essur eth at istoolow can over‐
heat andburstas acon sequenc e.
In addit ion,th ey also sufferfr om irre gular
we ar,whic hcan significan tly im pair thebr ak‐
ing proper tiesand thehandling charact eris‐
tic s. #
Avoid excessiv elylow tirepr essur e. Ti
re pressur ewhic his toolow can cause:
R Tire faults asare sult ofoverheating
R Impair edhandling charact eristic s
R Irre gular wear R
Incr eased fuelconsum ption &
WARNIN GRisk ofacci dent dueto too
high atir epr essur e
Ti re swit hexc essiv elyhigh pressur ecan
bur st.
In addi tion, they also sufferfr om irre gular
we ar,whic hcan significan tly im pair thebr ak‐
ing proper tiesand thehandling charact eris‐
tic s. #
Avoid excessiv elyhigh tirepr essur es. Ti
re pressur ewhic his toohigh cancause:
R Increased brakin gdis tance
R Impaired handl ing charact eristic s
R Irre gular wear
R Impair eddrivin gcom fort
R Sus ceptibility to damag e &
WARNIN GRisk ofacci dent dueto repea‐
te dpr essur edr op inthetir es
The wheels, valves ortires could bedam‐
ag ed.
To olow atir epr essur ecan lead tothetir es
bur sting. #
Examine thetir es forfo re ign obje cts. #
Chec kwhe ther thetir ehas apunct ure
or theva lve has aleak . #
Ifyo uar eunab leto rectify thedamag e,
con tact aqu alif ied spec ialistwo rkshop. Yo
ucan find spe cifica tions forth etir epr essur e
fo rth eve hicle's fact or y-ins talled tires on thefo l‐
lo wing labels:
R Tire and Loadi ngInfo rm atio nplacar don the
B‑pil larof your vehicle (/page329).
R Tire pressur eta ble ontheinside ofthefuel
fi ller flap (/ page32 4).
Obse rveth emaximum tirepr essur e
(/ page335). Wheels
andtires 323

as
wellon thego vernment courseasatir egr a‐
ded 100.
The relativ eper form anc eof tires depen dsupon
th eactual conditions oftheir use, howe ver,and
ma ydepar tsign ifican tly from thenor mdue to
va riatio nsindrivin ghabit s,ser vicepr act icesand
dif fere nces inroad charact eristic sand climate
con dition s.
Tr actio ngr ade &
DANG ER Risk ofacc iden tdue toinade‐
qu atetract ion
The tract ion grade assig nedtothis tireis
based onstra ight -ahead brakin gtract ion
te sts. #
Alw aysadap tyo ur drivin gst yle and
dr ive at aspeed tosuit thepr ev ailin g
traf fic and weather condition s. *
NO
TEDama getothedr ivet ra in from
wheelspin #
Avoid wheelspin. The
traction grades, from highes tto lowe st,ar e
AA ,A, Band C.Tho segrad es repr esent thetir e's
ability tostop onwetpa vement asmeasu red
unde rco ntro lled condition son spec ified govern‐
ment test sur faces ofasp haltand concr ete. A
tir emar kedC ma yha ve poor traction perform ‐
anc e.
Te mp eratur egr ade &
WARNIN GRisk ofacci dent from tire
ove rheating andtirefa ilur e
Ex cess ive speed, underinflation ,or exc essiv e
loading, either separ atelyor incombin ation,
can cause excessiv eheat build-up andpossi‐
ble tirefa ilur e. #
Obser vethere comme ndedtirepr es‐
su re. #
Regular lych eckth epr essur eof all the
tir es . #
Adjus tth etir epr essur e,ifneces sary. The
temp eratur egr ades areA (the highes t),B
and C,repr esent ingthetir e's resis tance tothe
ge ner ation ofhea tand itsability todissipat e heat
when tested under controlled conditions on
a specif iedindoor laborator yte st wheel. Sus‐
ta ined hightemp eratur ecan cause themat erial
of thetir eto deg ener ateand reduce tirelife, and
exc essiv ete mp eratur ecan lead tosudden tire
fa ilur e.The grade Ccor responds toaleve lof
per form anc ewhic hall passe nger car tires mus t
mee tunde rth eFe der alMo torSaf etySt andar d
No .10 9. Grade sB and Arepr esent higher leve ls
of per form anc eon thelabor ator yte st wheel
th an theminimum requ ired bylaw. DO
T,Tire Iden tificat ionNumbe r(TI N) US
tirere gulations stipulat eth at eve rytire man‐
uf actu reror retrea de rmu stimprint aTIN inor
on theside wallof eac htir epr oduced. 33
4
Wheels andtires

Ha
ve thebr ak efluid regular lyreplaced ata
qu alif ied spec ialistwo rkshop.
Onl yuse abr ak efluid appr ovedby Mer cedes-
Benz accor dingtoMB-F reigabe orMB- Appr oval
33 1.0. Co
olan t No
teson coolant
Obser vetheno teson oper ating fluids
(/ page35 6). &
WARNIN G‑Ri sk offire and injuryfrom
ant ifreez e
If ant ifreez ecom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. #
Allo wtheengine tocool down before
ad ding anti freeze . #
Makesur eth at no ant ifreez espills out
ne xt to thefiller open ing. #
Thor oughl yclean offan yant ifreeze
fr om com pone ntpar tsbef orest ar tin g
th eve hicle. *
NO
TEDama gecau sed byinc orrect cool ‐
ant #
Onlyus ecool antthat has been pre‐
mix edwithth ere qu ired ant ifreeze pro‐
te ction.
Inf ormati ononcool antisavailable atthefo l‐
lo wing locations:
R IntheMer cedes- BenzSpecif ication sfo r
Oper ating Fluids 310.1
- Athttps: //bevo.mer cedes-b enz.com
- IntheMer cedes- BenzBeVoapp
R Ataqu alif ied spec ialistwo rkshop *
NO
TEOverhea ting athigh outsid ete m‐
per atur es If
an inapp ropr iat ecoolant isused, the
engine cooling system isno tsuf ficie ntlypr o‐
te cted agains tov erheating andcorrosion at
high outside temp eratur es. #
Alw aysuse coolant approvedby
Mer cedes-Ben z. #
Obser vetheins truction sin the
Mer cedes-Ben zSpecif ications forOper‐
ating Fluids310.1. Ha
ve thecoolant regular lyreplaced ataqu alif ied
spec ialistwo rkshop.
Pr opor tionofantifr eezeconcen trat ein the
engine cooling system:
R Aminimum of50% (antifr eezeprotect ion
do wn toappr oximat ely-3 5°F (-37°C))
R Amaxim umof55% (antifreeze protect ion
do wn to-49°F (-45°C))
Co olant capacity Mode
lC apacity
E 450 4MATICAll-Ter‐
ra in 13
.7 US qt
(1 3.0 lite rs) No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page35 6). 360
Tech nica lda ta

Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions
0072 Vehicle ReadytoDrive
Switc hthe Ignit ionOff
Before Exiting *Y
ouarelea ving theve hicle when itis in are ady -to- dr ive st at e. #
When youlea vetheve hicle, switchof fth eignition ,secur eth eve hicle agains tro lling away and taketh eSmar t‐
Ke ywit hyo u. #
Ifyo udo notlea vetheve hicle, switchof fth eelectr icalconsumer s,e.g. theseat heating. Other wise, the12 V
batt eryma ydisc hargeand itwill then be possible tostar tth eve hicle onlywit hth eaid ofasecon dbatt ery
(s ta rting assis tance) .
Ù Stee ringMalfunctio n
Incre ased Phy sical Effor t
See Operator'sManua l *T
hepowe rst eer ing assis tance isma lfunctio ning. &
WARNIN GRisk ofan acci dent dueto altered steer ing charact eristic s
If th epo we rassi stanc eof thesteer ing fails par tiall yor com pletely,yo uwill need touse morefo rc eto steer . #
Ifsaf esteer ing ispossible, drive on car efully . #
Visit orconsult aqu alif ied spec ialistwo rkshop immediat ely. Ù
Steer ingMalfunction Stop
Imme diate lySee Opera-
tor's Manua l *T
hesteer ing ismalfunct ioning.Steer ing capability issignif icantlyim pair ed. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. Di
spla ymes sagesand warning/ indic ator lam ps 37
3

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
Stop Vehicle LeaveEngine
Running WaitTransmission
Cooli ng *T
hetransmission isove rheating. Pullingaway ma ybe temp orarily im pair edornotpossible. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Lea vetheengine running . #
Waitunt ilth edispla ymessag edisappear sbef orepulling away.
Auxi liar yBatte ryMa lfunc-
tio n *T
heauxilia rybatt eryfo rth etra nsmiss ionisno long erbeing charge d. #
Consult aqu alif ied spec ialistwo rkshop. #
Untilthen, alwaysselect parkposition 005Dmanually beforeyo uswit choffth eengine. #
Beforelea ving theve hicle, apply theelectr icpar king brak e. 380
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0077 Warning TireMalfunct ion *T
hetirepr essur ein one ormor etir es has dropped suddenly .The wheel position willbedispla yed. &
WARNIN GRisk ofan acci dent from drivi ng with aflat tire
R The tires ma yove rheat and bedamag ed.
R The driving charact eristic sas wellas thesteer ing and braking charact eristic sma ybe great lyim pa ired .
Yo uco uld then lose control of theve hicle. #
Donotdr ive wit haflat tire. #
Donotexc eed themaximum driving distance perm issible inemer gency mod ewi th aflat MOE xtend edtire. #
Obse rveth eno teson flat tires. No
tesin theeve ntofaflat tire(/ page30 1). #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir es.
Tires Overheat ed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Displa
ymessag esand warning/ indic ator lam ps 409

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Decr ease Speed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Ti
re pres sur elo ss wa rning system Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
Check TirePressure Soon *C
anada only:
The tirepr essur eloss warning system has detected asig nifica ntlos sof press ure. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires can wearexc essiv elyand/or unevenly.
R The driving charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. 41
0
Display messa gesand warning/ indic ator lam ps

Ad
jus ting thebr ightn ess(on-boar d
com puter) ............ ........................... ..... 242
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>241
Menu (on-boar dcom puter) .................. 242
Oper ating thememor yfunc tion ........... 107
Se tting theposition (on-boar dcom‐
put er) ..................... ........................ ...... 242
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 243
Headlam ps
see Automatic driving lights
Headlin er(car e).......... ............................. 297
Heating see Climat econtr ol
Help call
see Mercedes-Benz emergencycallsystem
High beam
Ac tivati ng/d eactiv ating ........... ............127
High-be amflasher ................................... 127
High-be amheadlam ps
Ad aptiveHig hbeam Assis t...................1 31
Ad aptiveHig hbeam Assis tPlus ...........1 32
Highw aymode .........................................130
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 187 HOLD
functio n...... ................................... 186
Fu nctio n/no tes ................................... 186
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 186
Home screen (media display)
Ov ervie w ...... .................................... ... 245
Hood Functio n(a ctiv ehoo d)<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 286
Ope ning /clo sing <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .......287
Re settin g(activ ehood) ........................ 286 I
Identif ication plate
Engine ............................................. ....3 54
Re frig er ant .......................................... .361
Ve hicle ............................................. ... 354
Ignition Switc hingon(Start/S topbutt on) ........ 151
Ignit ionkey
see Smar tKey
Imm obiliz er................................................ 86
Indi catorlam ps
see Warning/ indic ator lam ps Individ
ualdrive pr og ram
Con figur ing .......................................... 167
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 166
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
Fu nctio n/no tes ........................... 237,238
Ins trument Display
Fu nctio n/no tes ................................... 238
Ins trument cluster ..... ............................ 10
Wa rning/ indic ator lam ps.....................4 14
Ins trum ent Disp layand on-b oard
com puter
Fu nctio n/no tes ................................... 237
Int ellig entLight System
Ac tivati ng/d eactiv ating ........... ............130
Ac tivelight functio n........... ..................129
Ad aptiveHig hbeam Assis t...................1 31
Ad aptiveHig hbeam Assis tPlus ...........1 32
Ad versewe ather light .......................... 130
City lighting.........................................1 30
Cor nering light ....... ..............................129 444
Index

O
Occupant safety
see Airbag
see Automatic front pass engerfront
airb agshut off
see Pets intheve hicle
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
see PRE-S AFE®
Im pulse Side
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
see Restra int system
see Seat belt
Of f-road driving ....................................... 159
Of f-road driving
see Off-road driving
Oil see Engine oil
On-boar dcom puter................................. 239
Displa yingtheser vice duedate........... 285
Head-up Displaymenu .........................2 42
Mul tifunction display ....... ..................... 241
Oper ating ...... ...................................... 239 Ov
ervie wof menus .............................. 239
On-boar ddiagnos ticsinterface
see Diag nostics con nection
Online services
Dat ast or ag e .......................................... 32
Open-sour cesof tware .............................. 34
Opening thetailg ateusing your foot
HANDS-FREE ACCES S.................... .......7 5
Oper ating fluids
Ad ditiv es(fuel) ................................ .... 358
Br ak efluid ...................................... .....3 59
Coo lant (engi ne)....... ..................... ...... 360
Engine oil....... .....................................358
Fu el(gasoline) ................................. ....3 57
No tes .................................................. 356
Re frig er ant (airconditio ningsystem) ...361
Wi ndsh ield wa sher fluid .................. .... 360
Ope ratin gsaf ety
48 Von-boa rdelectr icalsystem ............ 23
Dec laration ofcon form ity (wir eless
ve hicle component s)........................ ..... 25
EQ boos t............................................... 23
Inf ormation .................................... ........ 23 Oper
ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ................................. 21
Oper ator's Manua l(digital) ....................... 18
Op timiz edacceler ation........................... 155
Ac tivati ng ........... ................................. 155
Ov erhead controlpanel
Ov ervie w ................................................ 12 P
Pa int code ................................................ 354
Pa intw ork(cleaning instructions) .........2 95
Pa nel heating
Se tting ................................................... 99
Pa nic alar m................................................ 66
Ac tivati ng/d eactiv ating ........... ..............66
Pa nor ama roof wit hpo we rtil t/s lidin g
pane l
see Sliding sunroo f
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> .............169 Inde
x44
9

Seat
belt..................................................... 37
Car e.................................................... 297
Pr otect ion ..............................................3 7
Seat beltadjustment
Ac tivati ng/d eactiv ating ........... ..............41
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 41
Seat beltwarning
see Seat belts
Seat belts ...................................................4 1
Ac tivati ng/d eactiv ating seat belt
ad jus tment ............................................ 41
Ad jus ting theheight .............................. 40
Fa stening ............................................... 40
Re duced protect ion ...............................3 8
Re leasing ...............................................4 1
Sea tbel tad jus tment (function) ............. 41
Wa rning lam p.........................................4 1
Seat cover(C are) ............ .........................297
Seat heating
Ac tivati ng/d eactiv ating ........... ..............98
Se at ventilat ion
Ac tivati ng/d eactiv ating ........... ..............99 Se
lecti ng age ar
see Changing gears
Select orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... ....................................... 46
Sens ors(car e).........................................2 96
Ser vicece nter
see Qualified speci alistwo rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Se tting aspeed
see Cruise control
Se tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters
Shif ting gears
Gea rshif tre comme ndation <0011001100110011001100110011001100110011001100110011001100110011
00110011> 170
Side airbag .................................................4 1 Side
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 78
Child safetyloc kin there ar
passe nger com partment .......................6 3
Closin g.................................................. 78
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80
Co nvenienc eclosing featur e.................8 0
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....79
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.78
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 80
Ro ller sunblin d...................................... 85
Size designa tion(tires) ...........................3 36
Sli ding sunroof....... ....................................81
Au tomatic featur es................................ 84
Closin g.................................................. 81
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 81
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 84
Ra in-clos ingfeatur e...............................8 4
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 65
Ac ous ticlocking verificati onsignal ....... 66
Batt ery <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>67
Energy consumption............ ..................66
Fe atur es................................................ 65 In
de x 453