heating MERCEDES-BENZ E-CLASS CABRIOLET 2020 User Guide

Ti
re pres sur e No
teson tirepr essur e &
WARNIN GRisk ofacci dent dueto insuf ‐
fi cie ntor excess ive tir epr ess ure
Under inflate dor ove rinf late dtir es pose the
fo llo wing risk s:
R The tires ma ybur st,especiall yas the
load andvehicle speed increase.
R The tires ma ywe arexc essiv elyand/or
une venly, whic hma ygr ea tly impair tire
traction .
R The drivin gch aract eristic s,as wellas
st eer ing and braking, maybe greatl y
im pair ed. #
Com plywithth ere comme ndedtire
pr ess ureand checkth etir epr essur eof
all tires including thespar ewheel regu‐
lar ly:
R atleas tonce amont h
R when theload chang es R
beforeembar kingon alon gerjour ney
R ifoper ating conditions chang e,e.g .of f-
ro ad drivin g #
Adjus tth etir epr essur eas neces sary. 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 ofan acci dent dueto
insuf ficie nttirepr ess ure
Ti re swit hpr essur eth at istoolow can over‐
heat andburstas are sult.
In addition, they also sufferfr om excessiv e
and/or irre gular wear,whic hcan significan tly
im pair thebr aking proper tiesand thehan‐
dling charact eristic s. #
Avoid excessiv elylow tirepr essur esin
all thetir es, including thespar ewheel. Ti
re pressur ewhic his toolow can cause:
R Tire def ectsas are sult ofove rheating.
R Impair edhandling charact eristic s.
R Irre gular wear.
R Incr eased fuelconsum ption. &
WARNIN GRisk ofacci dent from exces‐
siv etir epr essur e
Ti re swit hexc essiv elyhigh pressur ecan
bur stbecause they aredamag edmor eeasil y
by highw ayfill, po tholes etc.
In addition, 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 esin
all thetir es, including thespar ewheel. Ti
re pressur ewhic his toohigh cancause:
R Increased brakin gdis tance.
R Impaired handl ing charact eristic s.
R Irre gular wear. 39
4
Whee lsand tires

and
one-h alftim esaswellon thego vernment
te st trac kas atir egr ad ed 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, and does notinclude either acceler a‐
tion, corner ing, hydroplaning orpeak traction
ch aract eristic s. #
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 eAA ,A, Band C.Tho segrad es repr esent the
tir e'sab ility tostop onwetpa vement asmeas‐
ur ed under controlledconditions onspecif ied
go vernment test sur faces mad eof asp haltand
concr ete.
Te mp eratur egr ade &
WARNIN GRisk ofacci dent from tire
ove rheating andtirefa ilur e
The temp eratur egr ade forth is tireis es tab‐
lished fora tir eth at isproper lyinflat ed and
no tove rloaded. Excessiv espeed, underinfla‐
tion, orexc essiv eloading, either separ ately
or incombin ation,cancause excessiv eheat
build-up andpossible tirefa ilur e. #
Obser vethere comme ndedtirepr es‐
su resand regular lych eckth etir epr es‐ sur
eof all tires including thespar e
wheel. #
Adjus tth etir epr essur eas neces sary. The
temp eratur egr ades areA (the highes t),B
and C.The yre pr esent thetir 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.Grade Ccor responds toaleve lof per‐
fo rm anc ewhic hall passe nger car tires mus t
mee tunde rth ere qu iremen tsof theUS Depar t‐
ment ofTrans portatio n. 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. 406
Wheels andtires

R
ataqu alif ied spec ialistwo rkshop Cool
ant No
teson coolant
Obser vetheno teson oper ating fluids
(/ page42 8). &
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 #
Onlyad dcool 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 for
Oper ating Fluids 310.1
- Athttp: //be vo.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.
The propor tionofcor rosion inhibit or/antifr eeze
concen trat ein theengine cooling system should
be:
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
Capa city Mode
lC apacity
All mode ls 12.7 US qt
(1 2.0 lite rs) 432
Tech nica lda ta

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Reversing NotPossible
Servic eRequired *
The transmission ismalfunct ioning.Thetransmission position005Ecann otbe select ed. #
Consult aqu alif ied spec ialistwo rkshop.
Transmission Malfunction
Stop *
The transmission ismalfunctioning. Thetransmission shiftsto neu tral 005C automatical ly. #
Pullove rand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s. #
Depr essthebr ak epedal. #
Engage par kposition 005D. #
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. #
Pull overand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s.Do notcon ‐
tin ue drivin gunder anycir cums tances. #
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, manuall yselect transmission position005Dbeforeyo uswit choffth eengine. #
Beforelea ving theve hicle, apply theelectr icpar king brak e. 47
2
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
No teson flat tires (/ page37 2). #
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. #
Drive mor eslow ly.
Decre aseSpe 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 ma ybur st,par ticular lyat high speeds. #
Reduce speed sothat thetir es cool down. #
Reduce speed sothat thetir es cool down. Displa
ymessag esand warning/ indic ator lam ps 47
7

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 onlyusing adonor battery(s ta rting assis‐
ta nce) .
Ù Stee ringMalfunctio n
Incre ased Phy sical Effor t
See Operator'sManua l *T
hepowe rassi stanc efo rth esteer ing ismalfunct ioning. &
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. #
Ifsaf esteer ing ispossible, drive on car efully . #
Visit orconsult aqu alif ied spec ialistwo rkshop immediat ely. 480
Displa ymessag esand warning/ indic ator lam ps

Das
hboard fuse box...... ...................... 390
Fu se assignment diagram...................3 88
Fu se boxin theengine compartmen t.. 389
Fu se boxin thefront -passen gerfo ot ‐
we ll...................................................... 390
Fu se boxin thetrunk ........................... 390
No tes ............ ...................................... 388
Fu ses
see Fuses G
Gar agedoor opener
Clea ring thememor y........................... 161
Opening orclosing thedoor ................. 161
Pr ogr amming buttons .......................... 159
Ra dio equipment approval num bers.....1 61
Re sol ving problems ............................. 160
Sync hronizi ngthero lling code .............1 60
Gas station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 278
Swi tching automatic searchon/of f..... 284
Using automatic search<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 284
Gaso line <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 429
Gea rshif tre comm endation .................... 153 Genuin
epar ts............................................ 21
Glide mode ...............................................154
Glo vebox
Air vent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>137
Loc king/unloc king.............................. 106 H
Handbr ake
see Electr icpar king brak e
Handlin gch aract eristics (unus ual)....... 392
HAND S-FREEAC CESS ................................ 75
Hazar dwa rning light s.............................1 19
Hazar doussubstances
Inf ormation .................................... ........24
Head airbag ................................................ 41
Head leve lheat ing(AIRSC ARF).............. 100
Head restra int
Fr ont (adjus tingmechanicall y).............. 95
Re ar (installin g/remo ving) .....................9 6
Head-up Display...... ................................234
Ad jus ting disp lay el eme nts(on-bo ard
com puter) ..... ................................... .... 234 Ad
jus ting thebr ightn ess(on-boar d
com puter) ............................................ 234
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 235
Menu (on-bo ardcom puter) ..... ............. 234
Oper ating thememor yfunc tion ..........1 04
Se tting theposition (on-boar dcom‐
put er) .................................................. 234
Switc hingon/off................................. 236
Headliner (care)....................................... 369
Heating see Climat econ trol
High beam
Switc hingon/off..................................1 18
High-be amflasher ................................... 118
High-be amheadlam ps
Ad aptiveHig hbeam Assis t...................1 20
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 190
HOLD functio n...... ................................... 191
Fu nctio n/no tes .................................... 191
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 191
Hood Functio n(a ctiv ehoo d)<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .352
Openi ng/closi ng....... .......................... 353 Inde
x52
1

Ra
dio menu .........................................2 32
Ser vice menu ......................................228
Te lephon emen u.................................. 233
Tr ip men u............ ............................ .... 229
On-boa rddiag nostics interface
see Diag nostics con nection
Open- sourcesof tware .............................. 32
Opening thetrunk lidusing your foot
HANDS-FREE ACCES S.................... .......7 5
Oper ating fluids
Ad ditiv es(fuel) ................................ .... 430
Br ak efluid ...................................... .....4 31
Coolan t(en gine) ............................ ...... 432
En gin eoil ............................................ 430
Fu el(gasoline) .....................................4 29
No tes .................. ................................ 428
Re frig er ant (airconditio ningsystem) ...433
Wi ndsh ield wa sher fluid .................. .... 433
Ope ratin gsaf ety
48 Von-boa rdelectr icalsystem ............ 24
Decl arati on ofconf ormity (wirel ess
ve hicle component s)............................. 26
EQ boos t................................................ 24
Inf ormation .......... ............................. .....2 4 Oper
ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ........................... ...... 22
Oper ator's Manual (digital) ......................2 0
Ov erhead controlpanel
Making calls(Mercedes meconn ect) ..316
Ov ervie w .......................................... ...... 14 P
Pa int code ................................................ 426
Pa intw ork(cleaning instructions) .........3 62
Pa nel heating
Se tting ............................................. ...... 99
Pa nic alar m................................................ 66
Ac tivati ng/d eactiv ating ........... ..............66
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> .............152
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 152
Pa rking
see Elec tric par kingbr ak e Pa
rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 195
Ac tivati ng ........... ................................. 199
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 200
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>195
Pr oblems ............................................. 196
Sid eim pa ct protect ion ........................ 198
Swi tching off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 199
Sy stem limit ations ...............................1 95
Pa rking assis tance systems
see ActivePa rking Assist
Pa rking brak e
see Elec tric par kingbr ak e
Pa rking foran extended period .............. 165
Pa rking light s...........................................1 17
Pa rking posit ion
Ex terior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 128
St or ing theposition ofthefront -
passeng eroutside mirrorusi ng
re ve rsege ar .........................................1 29
PA RK TRONI C
Ma lfunction <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .............196 528
Index