check engine MERCEDES-BENZ S-CLASS COUPE 2021 User Guide

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
003D St op Vehicle LeaveEngine
Running *T
he12 Vbatt erych arge leve lis toolow. #
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. #
Ifth edisp laymess agedoes notdisa ppear: consult aqu alif ied spec ialistwo rkshop. Ti
re pres sur emoni tor Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Tire Press. MonitorCur-
rent lyUnavailable *T
her eis int erfere nce from apo we rful radio signal source.Asare sult, nosignals from thetir epr essur esensor are
being recei ved. The tirepr essur emonit oristemp orarily una vailable. #
Drive on.
The tirepr essur emon itor will restar taut omat icallyas soon asthecause hasbeen rectif ied.
Tir ePre ss. Moni torInope ra-
tive *T
hetirepr essur emonit orismalfunctionin g. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
The tirepr essur emonit oring system cann otissue awa rning ifth er eis pressur eloss inone ormor eof thetir es.
Ti re swit hinsuf ficie nttirepr ess urema yim pa irth edr iving charact eristic sas wellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. 44
6
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Dec
rease 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. Engine
oil Displa
ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilAtNext
Refueling *T
heengine oilleve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Checkth eengine oilleve lwhen next refuel ing. Displ
aymessa gesand warning/ indic ator lam ps 44
9

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Ad dengin eoil (/ page334 ).
No teson engine oil(/ page40 1).
00B3 Check Engine OilLevel
(Add 1quart) *D
ispla ymess ageonl yfo rcer tain engin es:
The engin eoil leve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Whe nne xt refuel ing, add 1.1 US qt(1l)of engine oil(/ page334) .
No teson engine oil(/ page40 1).
00B3 Engine OilRedu ceOil Level *D
ispla ymess ageonl yfo rcer tainengi nes:
The engineoille ve lis toohigh.
* NO
TEEngi nedama gecau sed bydriving withexc ess engine oil #
Avoid long journeys wit hex cess engineoil. #
Consul ta qu alif ied spec ialistwo rkshop immediat elyand have theengine oilleve lre duced. 450
Displa ymessag esand warning/ indic ator lam ps

Occupant
safety Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0075 Re stra int system warning
lam p The
redre stra int system warning lam pis lit while theengine isrunning .
*Th ere stra int system ismalfunct ioning(/page34). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Notethemessag eson themultifunc tiondispla y. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
0076
Sea tbel twa rning lam p
fl ashes The
redseat beltwarning lam pflashes andanintermit tent wa rning tone sou nds.
*T he driver or front passeng erhas notfa stened their seat beltwhile theve hicle isin mo tion. #
Fasten your seat belt(/page38 ).
*T her ear eobject son thefront passeng erseat. #
Remo vetheobjec tsfrom thefront passeng erseat. 45
4
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
or #
Exit theve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. #
Chec kth ecoolant leve l(/ page335) . #
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 the
cool anttemp eratur edispla yre mains belowthere dar ea.
00B9 En gine diagnosis warning
lam p The
yello wChec kEn gine warning lam pis lit while theengine isrunning .
*A malfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceed edand theengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p The
redelect rical fault warning lam pis lit.
*T her eis afa ult intheelectr ics. #
Notethemessag eson themultifunc tiondispla y. Dis
play messa gesand warning/ indic ator lam ps 45
7

Dr
ivin gsaf etysy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p The
yello wAB Swa rning lam pis lit while theengine isrunning .
*ABS isma lfunctio ning.
If th er eis an additional warning tone, EBD isma lfunctio ning.
Ot her drivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GThe reisarisk ofskidding ifEBD orABS ismalfunctioning
The wheels mayloc kdur ing braking.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distance mayincr ease. Inaddi‐
tio n,other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. 00E5
ESP ®
wa rning lam pflashes The
yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
*O neormor ewh eelsha sre ac hed itsgrip limit (/page15 5). #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s. 462
Displaymes sagesand warning/ indic ator lam ps

003D
12VBatt erySee Oper ator's
Manual ................................................ 444
: ActiveHea dlamps Inoperati ve .... 414
é ATTENTION ASSISTInoper ative
... ..........................................................4 29
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........429
: Automatic HeadlampMode
Inoper ative..... ...................................... 413
0027 CheckBr ak eFluid Level.............4 28
0026 CheckBrak ePa ds See Oper a‐
to r's Manua l...... .................................. 429
00BD CheckCool antLevelSee Oper‐
at or's Manual .......................................4 19
00B3 CheckEn gin eOil AtNe xtRe fu‐
eli ng ...... .............................................. 449
00B3 CheckEn gin eOil Level(A dd 1
qu art) .......... ........................................ 450
: CheckLef tLo wBeam (exa m‐
ple) ....................................................... 413 0077
CheckTire s ................................ 447
00B2 CheckWa sher Fluid .................... 418
ÿ Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ............. ........... 419
0025 Currentl yUna vailable See
Opera tor's Manua l...... ......................... 439
00E5 Current lyUn available See
Operat or'sMan ual.............................. 440
Á Don't Forget Your Key.................4 12
00CC Drive More Slowly ............ .......... 431
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>...452
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................451
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 451
00B3 EngineOil Reduce OilLevel........ 450
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................4 08 006F
Front LeftSeat Backres tNo t
Lo cked (exa mp le) .................................4 18
00B6 FuelLevelLo w ............................ 420
00B6 GasCap Loose ...........................4 20
0025 Inoper ativeSee Oper ator's
Manu al....... ......................................... 440
00E5 Inoper ativeSee Oper ator's
Manua l..... ............................................ 441
007A Inoper ativeSee Oper ator's
Manua l..... ........................................... 442
0053 Inoper ative.... .............................4 44
: Intell. Light System Inoperativ e.. 414
Á KeyNo tDe tected (red displ ay
messa ge).............................................4 12
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)...................................... 411
0075 LeftSide Curtain Air bag Mal‐
func tion Service Required (exa mp le) ...4 08
¢ Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ............430 Inde
x47
5