engine overheat MERCEDES-BENZ E-CLASS CABRIOLET 2019 Owner's Manual

000A
WARNIN GRisk ofskid ding and ofan
acci dent dueto shif ting down onslipper y
ro ad sur faces
If yo ushif tdo wn onslipp eryro ad sur faces to
inc rease theengine braking effect, thedr ive
wheels maylose traction . 0007
Donotshif tdo wn onslipper yro ad sur‐
fa ces toinc rease theengine braking
ef fect. 000A
DANG ER Risk offata linj urydue topoi‐
sonous exhaus tga ses
If th eta ilpipe isbloc kedor suf ficie ntventil a‐
tio nis no tpo ssi ble, po isonou sex haus tga ses
suc has carbon monoxidemayent ertheve hi‐
cle. This isthecase ifth eve hicle getsst uc k
in snow ,fo rex am ple. 0007
Keep theta ilpipe andthear ea around
th eve hicle free from snowwhen the
engine orthest atio naryheat erareru n‐
ning . 0007
Ope nawi ndo won thewindw ardside of
th eve hicle toensur ean adeq uatesup‐
pl yof fresh air. 000A
WARNIN GRisk ofacci dent andinjury
due tobeing under theinf luence ofalco‐
hol and drugs while driving
Dr iving when under theinf luence ofalcohol
and/or drugs isan extreme lydang erous
combin ation.Even small quant ities ofalco hol
or drugs mayaf fect your reflexe s,per cep tion
and judgment.
The probabi lityofaser ious oreven fata lacc i‐
dent greatl yinc reases ifyo udr ive when
und ertheinf luence ofalcohol ordrugs. 0007
Donotdr ink alcohol ortake drugs while
dr iving, anddonotallo wan yone to
dr ive who hasbeen drink ing alcohol or
ta king drug s. 000A
WARNIN GRisk ofacci dent dueto the
br ak esy stem overheating
If yo ulea veyour foot on thebr ak epedal
when driving, thebr ak esy stem mayov er‐
heat.
This increases thebr aking distance and the
br ak esy stem mayeve nfa il. 0007
Neveruse thebr ak epedal asafo ot re st. 0007
Donotde press thebr ak epedal andthe
acc elerat orpedal atthesame time
while driving. 000E
NO
TEWearing out thebr ak elinings by
continu ously dep ressing thebr ak epedal 0007
Donotdepr essthebr ak epedal contin‐
uousl ywhils tdr iving. 0007
Touse thebr aking effect of theengine,
shif tto alowe rge ar ingood time. 14
0
Driving and parking

doing
so,youwill mak euse oftheengine' sbr ak‐
ing effect. Thisre lie vesth eload onthebr ak e
sy stem and preve nts thebr ak es from overheat‐
ing and wearing tooqu ickl y.
Do notus ecr uise contr olinthefo llo wing situa‐
tion s:
R Intraf fic situ ations whichrequ ire freq uent
ch ang esofspee d,e.g .in hea vytraf fic, on
wi nding roads.
R Onslippe ryroads. Accel erati ng can cause
th edr ive wheels tolose tract ion and the
ve hicle could then skid.
R Ifyo uar edr ivin gwhen visibilit yis poor .
Ope ratin gcr uis eco ntr ol 000A
WARNIN GRisk ofacci dent dueto stor ed
speed
If yo ucall upthestor ed speed andthis is
lo we rth an your cur rent spe ed,th eve hicle
deceler ates. 0007
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. Re
quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning .
R The driven spe edisat leas t15 mp h
(20 km/ h).
R The transmis sionisin positio n005B. 0007
Toactiv atecr uise contr ol: press rock er
switc h1 up. 0007
Toactiv atecr uise contr ol: press rock er
switc h2 up(SET /+)ordown (SET /-).
The current spe edisstor ed and maint ained
by theve hicle when youta ke your foot off
th eacceler ator pedal.
or 0007
Press rock er switc h3 up(RES).
The lastst or ed speed iscalled upand main‐
ta ined bytheve hicle.
If th elas tst or ed speed hasprev iousl ybeen
dele ted, thecur rently driven spe edisstor ed.
0009 When youswit choffth eve hicle, thelas t
speed stor ed isclear ed. 0007
Toincr ease/r educespeed:pr ess rock er
switc h2 up/do wntothepr essur epoint .
The stor ed speed isincr eased orreduced by
1 mp h(1 km/h) .
or 0007
Press rock er switc h2 beyond thepr essur e
point .
The stor ed speed isincr eased orreduced by
5 mp h(1 0 km/h) .
or Dr
iving andparking 17
3

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions 0007
Connec ta suit able charge rapp rove dby Mer cedes-Ben zwit hsuf ficie ntcharge output tothejum p-start connec‐
tion pointofthe12 Vbatt ery(→ pag e37 1).
Th e48 Vbat tery isch arge dvia thevo ltag econ verter intheve hicle.
Engin eCan Now BeStart ed *T
he48 Vbatt eryhas been charge daut omatic allyviathevo ltag econ verter . 0007
Startth eengine anddrive th eve hicle fora whi leto charge the12 Vbatt eryand the48 Vbatt ery.
00AC *T
hefanmo toris def ectiv e. 0007
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at
th ecoolant temp eratur edispla yre mains belowthere dmar king.
00AC
Coolant TooHotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. 0007
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions. 000A
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. 0007
Beforeopen ingthehood, allowtheengine tocool down. 0007
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. 0007
Waitunt ilth eengine hascooled down. 0007
Mak esur eth at theair supply tothera diat orisno tobs truct ed. Displa
ymessag esand warning/ indic ator lam ps 45
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B6 Fu elreser vewarning lam p The
yello wfuel reser vewarning lam pis lit while theengine isrunning .
The fuelsu pp lyha sdr op pedint oth ere ser verang e. 0007
Refuel .
00AC
Coo lant warning lam p The
redcoolant warning lam pis lit while theengine isrunning .
Po ssible causes are:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsuppl yto thera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceed edthemaximum permissible temp eratur e. 000A
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld come
int oco ntact withho tga ses orother escaping operating fluids. 0007
Beforeopen ingthehood, allowtheengine tocool down. 0007
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. 0007
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. Disp
lay mes sage sand warning/ indic ator lam ps 483