Page 449 of 530

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Drive on.
Onc eth ecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again.
or #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle while paying attention toroad and traffic condi tions
and restar tth eengine. #
Ifneces sary,cle an there ar bum per.If th ebum perisex treme lydir ty,th esensor sin thebum permaybe mal‐
func tioning.
Blind SpotAssist Inopera-
tive *B
lind SpotAss istis malfun ctionin g. #
Visit aqu alif ied spec ialistwo rkshop.
Blind SpotAssist NotAvail-
able When Towing aTrailer
See Operator's Manual *W
hen youes tablish theelectr icalconnect iontothetra iler ,Blind SpotAssis tis una vailable. #
Press thelef t-hand Touc hCon trol and ackn ow ledg eth edispla ymessag e.
Act ive Blind SpotAssist
Current lyUnavailable See
Operator 'sManual *A
ctiv eBli nd Spo tAssi stistemp orarily una vailable.
The system limits have been reac hed (→pag e21 8). #
Drive on.
Once thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle while paying attention toroad and traffic condi tions
and restar tth eengine.
Act ive Blind SpotAssist
Inoper ative *A
ctiveBli nd Spo tAssi stismalfun ctionin g. #
Visit aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 44
7
Page 450 of 530

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Blind SpotAsst.Not
Available WhenTowing a
Trailer SeeOperator' sMan-
ual *W
hen youes tablish theelectr icalconnect iontothetra iler ,Ac tiveBli nd Spo tAssi stisuna vailable. #
Press thelef t-hand Touc hCon trol and ackn ow ledg eth edispla ymessag e.
Act ive Parkin gAssist and
PARKTRONIC Inoperative
See Operator 'sManual *A
ctivePa rking Assistand Parking AssistPA RK TRONI Caremalf unction ing . #
Stop theve hicle, paying attention toroad and traffic condi tions,and restar tth eengine. #
Ifth edispla ymessag econ tinues tobe displa yed, con sult aqu alif ied spec ialistwo rkshop.
Traffic SignAssist Cur-
rently Unavaila bleSee
Operator's Manual *T
raffic Sign Assistis temp orarily una vailable. #
Drive on.
Onc eth ecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again.
Traf ficSig nAs sist Camer a
View RestrictedSee Oper a-
to r's Man ual *T
hecamer avie wisrestrict ed. Possible causes are:
R Dirton thewindshield inthecamer a'sfield ofvision
R Hea vyrain, sno wor fog
Dr iving systems anddriving safetysy stems maybe malfunct ioningortemp orarily una vailable.
Onc eth ecause ofthepr oblem isno long erpresent ,dr iving systems anddriving safetysy stems willbeavailable
ag ain.
If th edispla ymessag edoes notdisappear : #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. #
Clea nth ewindshield. 44
8
Dis play messa gesand warning/ indic ator lam ps
Page 451 of 530

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Traffic SignAssist Inopera-
tive *T
raffic Sign Assistis malfun ctionin g. #
Visit aqu alif ied spec ialistwo rkshop.
00D9 Off *T
heHOLD functionisdeactiv ated because theve hicle isskidding oracondition foractiv ation isno tme t. #
React ivat eth eHOLD function later or checkth eactiv ation conditions forth eHOLD function (→pag e18 9).
ç
Off *A
ctiv eDis tan ceAssi stDIS TRONI Cwa sdeactiv ated. Ifawa rning tone also sou nds, theAc tiveDis tance Assist
DIS TRONI Cha sde acti vatedaut omatic ally(→ pag e17 9).
ç - -- mph *A
ctiv eDis tan ceAssi stDIS TRONI Ccanno tbe acti vatedas notall activ ation condition sha ve been fulfilled. #
Com plywithth eactiv ation conditions ofActiveDis tance AssistDIS TRONI C(→ page 179).
ç
Sus pend ed *I
fyo uact ivat eth eaccelera torpeda lbe yond theAc tiveDis tance AssistDIS TRONI Cse tting ,th esy stem will beput
int opassiv emode (→pag e18 7).
*A ctiv eDis tan ceAssi stDIS TRONI Cis temp orarily una vailable. Disp
lay mess ages and warning/ indic ator lam ps 44
9
Page 452 of 530

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Dist ance Assist Cur-
rent lyUnavailable See
Operator' sManual The
ambient conditionsareoutside thesy stem limits (→pag e17 7). #
Drive on.
As soo nas theambient conditions arewit hin thesy stem limits, thesy stem will become available again.
Ac tiveDis tan ceAssist Inop-
erat ive *A
ctiveDis tan ceAssi stDIS TRONI Cis ma lfunctio ning.
Ot he rdr ivi ng systems anddriving safetysy stems mayalso malfunct ion. #
Visit aqu alif ied spec ialistwo rkshop.
Act ive Distance AssistNow
Availabl e *A
ctiveDis tan ceAssi stDIS TRONI Cis op erati ona lag ain and canbeacti vated(→ pag e17 9).
00B2
- -- mph *C
ruise con trol can notbe act ivat ed asnotall act ivation condition sar efulf illed. #
Obser vetheactiv ation conditions forcr uis econtr ol(→ pag e17 6).
Cr uis eCon trol Off *C
ruise con trol has been deact ivat ed.
If th er eis an additional warning tone, cruise contr olha sbe en deacti vatedaut omatic ally(→pag e17 5).
Cru iseControl Inoperative *C
ruise con trol ismalfun ctionin g. #
Visit aqu alif ied spec ialistwo rkshop.
RACE START NotPossible
See Operator's Manual *P
ossible causesare:
R The condit ionsforactiv ation areno tme t(→ pag e19 1). 45
0
Dis play messa gesand warning/ indic ator lam ps
Page 453 of 530
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
RACE START Canceled *P
ossible causesare:
R Youre leased theacceler ator pedal during RACES TART.
R Youdepr essedthebr ak epedal during RACES TART.
Yo ucan try RA CES TART again atthene xt star t. Engine
Displ
aymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Check Coolant LevelSee
Operator' sManual *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (→pag e355 ).
00AC
Coolant TooHotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions. Disp
lay mess ages and warning/ indic ator lam ps 45
1
Page 454 of 530

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions &
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. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Waitunt ilth eengine hascooled down. #
Mak esur eth at theair supply tothera diat orisno tobs truct ed. #
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 *T
hefanmo toris def ectiv e. #
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.
003D
See Operator 'sManual *T
hebatt eryis no tbeing charge d.
* NO
TEPossible engine damageif yo uco ntinue drivin g #
Donotco ntinue drivin gund eranycir cum stanc es. #
Con sult aqu alif ied spec ialistwo rkshop. #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions. 452
Display mess ages and warning/ indic ator lam ps
Page 455 of 530

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
003D Stop Vehicle SeeOpera-
tor's Manual *T
hebatt eryis no long erbeing charge dand thebatt erych arge leve lis toolow.
* NO
TEPossible engine damageif yo uco ntinue drivin g #
Donotco ntinue drivin gund eranycir cum stanc es. #
Con sult aqu alif ied spec ialistwo rkshop. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do not
continu edr ivi ng und eranycir cums tances. #
Swi tchof fth eengine. #
Consult aqu alif ied spec ialistwo rkshop.
003D 12 VBattery SeeOpera-
tor's Manual *T
heengine isoffand thebatt erych arge leve lis toolow. #
Swi tchof fel ectr icalconsu mersth at areno tre qu ired. #
Lea vetheengine running fora fe w min utes, ordrive fo ra long erdis tance.
The batter ywi llch arge .
If th emessag eappear swhile theengine isrunning ,th is indic ates an on- boar delect rical system malfunct ion. #
Visit aqu alif ied spec ialistwo rkshop.
003D *T
hebatt erych arge leve lis toolow. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do not
continu edr ivi ng und eranycir cums tances. Disp
lay mes sage sand warning/ indic ator lam ps 453
Page 456 of 530

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
St op Vehicle LeaveEngine
Running #
Lea vetheengine running . #
Waitunt ilth edispla ymessag edisappear sbef orepulling away.
003D 48 VBattery SeeOpera -
tor's Manu al *T
he48 Vsy stem ismalfunct ioning.Convenie nce func tions ma ybe restrict ed. #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
Cann otStart Engin eSee
Oper ator'sMan ual *T
hecharge leve lof the48 Vbatt eryis toolow. Youcan nolongerst ar tth eengine. #
Switc hof felectr icalconsumer sth at areno tre qu ired. #
Conn ectasuit able charge rapp rove dby Mer cedes-Ben zwit hsuf ficie ntcharge output tothejum p-start connec‐
tion pointofthe12 Vbatt ery(→ pag e37 6).
The 48Vbatt eryis ch 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 . #
Startth eengine anddrive th eve hicle fora whi leto charge the12 Vbatt eryand the48 Vbatt ery.
00D7 Please WaitCharging High-
voltage Battery... *T
he48 Vbatt eryis disc harged. Youha ve switc hedontheignition whilethe12 Vbatt eryis being charge dwit ha
suit able charge ror whi leano ther vehicle isprov iding star tin gassis tance.
The disc ha rged 48 Vbatt eryis ch arge daut omatic allyviathevo ltag econ verter .Af tera fe w min utes, theEn gine
Can Now BeStarted displaymessag eis sho wnonthemultifunc tiondispla y. #
Startth eengine. 45
4
Displa ymessag esand warning/ indic ator lam ps