2022 MERCEDES-BENZ S CLASS engine

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (white
displa ymessag e) *T
heSmar tKey iscur rently undetect ed. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill no tre cogni zed,place itin themar kedspace forst ar tin gwit hth eSmar tKey
( / pag e18 2).
Á Ke yNo tDete cted (red dis‐
pl ay messa ge) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trall yloc kth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e18 2).
Á Don't ForgetYour Key *A
warning tone willal so sou nd. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vethe
ve hicle. 500
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key Being Initialized Please
Wait *T
hevehicle isprocessing inorder toteac hin thene wSmar tKey . #
Waitunt ilpr oces sing iscom plete.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e18 2). Lig
hts Dis
playmess ages
Possible causes/conseq uencesand0050 0050
Solutions
: Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisdef ectiv e. #
Drive on car efully . #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
% LED lightsour ces: thedispla ymessag efo rth ecor responding lightappea rsonl ywhen allthelight- emitt ing
diodes inthelight arefa ulty . Dis
playmes sagesand warning/ indic ator lam ps 50
1

Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions *T
hedriver displa yis inoper ativedue toafa iled softwareupdat e.
The displa ymess ageis sho wneverytim eth eengine isstar ted. &
WARNIN GRisk ofacci dent dueto adr iver displa ymalf unction
If th edr iver displa yhas failed ormalfun ctioned ,th efunc tion restrictions applying tosaf etyre leva nt systems are
no tvisible.
The oper ating safetyof your vehicle maybe impair ed. #
Drive on car efull y. #
Have theve hicle checkedimmediat elyataqu alif ied spec ialistwo rkshop. If
th eoper ating safetyof your vehicle isim pair ed,parkth eve hicle immediat elyand safely.Cont actaqu alif ied spe‐
cialis two rkshop.
If th edr iver displa yfa ils, youma yno tre cogni zefuncti onrestrictions affecting systems releva nt tosaf etyor the
speed display,forex am ple. Theoperatin gsaf etyof theve hicle maybe impair ed(/ page295). #
Have theve hicle checkedby aqu alif ied spec ialistwo rkshop immediat ely. Dis
play messa gesand warning/ indic ator lam ps 505

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0072 Vehicle ReadytoDrive
Switc hthe Ignit ionOff
Before Exiting *Y
ouarelea ving theve hicle inare 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
ba tter yma ydi sc ha rgeand star tin gth eengine maybe possible onlywit hth ehelp ofasecon dbatt ery(jum p
st ar t).
Head -upDisplay Curre ntly
Un availabl eSee Oper ator's
Man ual *T
heHead-up Displayis temp orarily una vailable. Possible causes:
R Malfunctions inthepo we rsupp ly
R Signal interfere nce #
Stop theve hicle inaccor dance withth etra ffic con dition sand switc hth eignition offand onagain. #
Ifth edispla ymessag est ill appear s,con sult aqu alif ied spec ialistwo rkshop.
Head-up DisplayInopera-
tive *T
heHead-up Displayhas aninternal erro r. #
Con sult aqu alif ied spec ialistwo rkshop.
Head-up DisplayBright-
ness Currently Reduced
See Operator's Manual *T
hebrightness oftheHead-up Displayis reduced. Possible causes:
R Dirton thewindshield inthecamer a'sfield ofvision
R Faulty exterior brightness signals #
Switc hon thewindshield wipers. #
Clean thewindshield ifneces sary. 506
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0083 *T
hehood isopen. &
WARNIN GRisk ofacci dent dueto driving withth ehood unlocked
The hood mayopen andblockyo ur vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood isloc ked. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Close thehood.
0084 *T
hetrunk lidisopen. &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus tga ses suchas carbon monoxide.Exhaus tga ses can enterthe
ve hicle interior ifth etrunk lidisopen when theengine isrunning ,esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine beforeopening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. #
Close thetrunk lid.
Ambien tLightin gWarning
Support Inoperative *T
heambient lightingmayno tpr ov ide full visual warning suppor t. #
Loc kth eve hicle andunloc kit ag ain afte ra fe w min utes. 51
0
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Ifth edispla ymessag eappear sre gular ly,contact aqu alif ied spec ialistwo rkshop.
00B2
Check Washer Fluid *T
hewasher fluid leve lin thewa sher fluid reser voirhas dropped belowtheminimum. #
Addwa sher fluid (/ page33 4).
00B2 In te ns ive Clean ingActiva-
te dfor 30Sec onds *I
ntensi vecle ani ng ofthewindshield hasbeen activated (/ page16 0).
Wi ndsh ield Wi perMa lfunc-
tio n *T
hewindshield wipersar emalfunctionin g. #
Restar tth eengine.
If th edispla ymessag est ill appear s: #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 51
1

Engine
Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To switch vehicle off,press
and hold Start/S topbut-
ton foratleast 3secon ds
or press 3times *Y
ouhave pressed thest ar t/ stop butt onwhile theve hicle isin mo tion. #
Information aboutswitchingoffth eengine whiledriving (/page18 2).
Can notStart VehicleSee
Ope rator'sManua l *T
hevehicle canno tbe star ted. #
Switc hth eignition offand switc hit bac kon. #
Ifth edispla ymessag est ill appear s,con sult aqu alif ied spec ialistwo rkshop.
00BD
Check CoolantLevel See
Operator's Manual *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page334 ). #
Have theengine cooling system checkedat aqu alif ied spec ialistwo rkshop. 51
2
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant Stop Switc hOff
Vehicle *T
hecoolant istooho t. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. &
WARNIN GRisk ofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edorwhen ther eis afire intheengine compartmen t,th e
fo llo wing situat ionsmayocc ur:
R Youco uld come intoco ntact withho tga ses.
R Youco uld come intoco ntact withot her hot,escaping operating fluids. #
Beforeopen ingthehood, allowtheove rheat edengine 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.
ÿ *T
her eis amalfunction intheengine cooling system. #
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. Displa
ymessag esand warning/ indic ator lam ps 51
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