2023 MERCEDES-BENZ A CLASS warning

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causes/conseq uencesand uences
and0050 0050
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Front PassengerAirbag Dis-
abl ed See Opera tor'sMan-
ual *T
hefront passen gerairbag andthefront passeng erknee airbag have been disabled even though anadult oraper son
of adult buildison thefront passeng erseat. Ifadditional forc es areapplied totheseat, thewe ight thesy stem detects
ma ybe toolow. &
W W
ARNI NG ARNI
NGRisk ofinjur yor fata linjur ydue toadisabl edfront passen gerairbag
If th efront passeng erairbag isdisabled, thefront passeng erairbag willnotbe deplo yedin theeve ntofan accid ent
and canno tper form itsintended protectiv efunction .
A per son inthefront passeng erseat could then, forex am ple, come intocont actwithth eve hicle' sint erior ,espe-
ciall yif th eper son issitting tooclose tothecoc kpit. #
Mak esur e,bo th bef oreand during thejour ney,that thestatus ofthefront passeng erairbag iscor rect. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Mak esur eth at no objects aretrapped underthefront passeng erseat. #
Chec kth estatus ofaut omatic front passeng erairbag shuto.(/ page47). #
Ifnecessar y,consul ta qu ali/ed special istwo rkshop immed iately.
Front Passeng erAirb ag
Enabl edSee Operator 's
Manu al *T
hefront passen gerairbag andthefront passeng erknee airbag willbeenabled whiletheve hicle isin mo tionin the
fo llo wing situations:
R Even when ach ild, aper son ofsmaller statur eor an object weighing lessthan thesy stem weight thre shold isloca-
te don thefront passeng erseat
R Even when thefront passeng erseat isno toccupied Displa
ymessag esand warning/in dicatorlam ps
339 339

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The system mayde tect obje ctsorforc es that areaddin gto thewe ight applied totheseat. &
W W
ARNIN G ARNIN
GRisk ofinjur yor deat hwhen usingach ild restr aint system while th efront passeng erairbag isena-
bled
If yo usecur each ild inach ild restr aint system onthefront passeng erseat andthefront passeng erairbag isena-
bled, thefront passeng erairbag candeplo yin theev ent ofan accident.
The child could bestruckby theairbag. #
Ensur e,bo th bef oreand during thejour ney,that thestatus ofthefront passeng erairbag iscor rect.
NEVER useare ar wa rdfacing child restr aint on ase at pro tected byan ACTIV EAIRBA Gin front ofit,DEA THor
SERIO USINJUR Yto theCHILD canoccur . #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Mak esur eth at no objects aretrapped underthefront passeng erseat. #
Chec kth estatus ofaut omatic front passeng erairbag shuto.(/ page47). #
Ifnecessar y,consul ta qu ali/ed special istwo rkshop immed iately.
PRE-S AFEInoperat iveSee
Operator's Manual *
The PRE‑S AFE®
functions aremalfuncti oning. #
Consult aqu ali/ ed spec ial ist wo rkshop. 340340
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Sma
r Sma
rtK ey tK
ey DisplaDispla
ymessag y
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Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
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ons
Á
Obtain aNew Key *H
aveth eSmar tKey replaced. #
Consult aqua li/ed specialist workshop.
Á
Re place Key Batte ry *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page68).
Á Key NotDetected (white
displa ymessag e) *T
heSmar tKey iscur rentl yunde tected. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill notre cogn ized,place itin themar kedspace forst ar ting withth eSmar tKey (/ pag e129). Displa
ymessag esand warning/in dicatorlam ps
341 341

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causes/conseq uencesand uences
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Á
Key NotDetected (red dis-
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswitc ho. theve hicle:
R Youcan nolong erstar tth eve hicle.
R Youcanno tcentr allyloc kth eve hicle. #
Ensu rethat theSmar tKey isin theve hicle.
If th eSmar tKey detection function hasamalfu nctiondue toast ro ng radio signal source: #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. #
Place theSmar tKey inthemar kedspace forst ar ting theengine withth eSmar tKey (/ pag e129).
Á
Don't Forget YourKey *A
warning tone willals osou nd. This message reminds youto take your Smar tKey withyo uwhen youlea vetheve hicle.
Á
Key BeingIniti alize dPlea se
Wa it *T
hevehicle isprocessin gin order toteac hin thene wSmar tKey . #
Waituntil process ingiscom plete. 342342
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ymessa gesand warning/in dicatorlam ps

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causes/conseq uencesand uences
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ons
Pla cethe Key inthe
Marked SpaceSeeOpera -
tor's Manua l *S
mar tKey detection ismalfu nctionin g. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar ting theengine withth eSmar tKey (/ pag e129). LightsLights
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ions
:
Check LeftLow
Beam (exa mp le) *T
hecor respond inglight sour ceisdef ecti ve. #
Drive on car efull y. #
Visit aqu ali/ed special istwo rkshop immed iately.
% LED light sources: thedispla ymessag efo rth ecor respond inglight appear sonl ywhen allthelight-emittin gdiodes
in thelight arefa ulty .
: Malfu nction See Opera-
tor’s Manual *T
heexterior lightin gis malfunct ioning. #
Consult aquali/ edspecialist workshop. Displ
aymessag esand warning/in dicatorlam ps
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causes/conseq uencesand uences
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ons
:
Automatic HeadlampMode
Inoperative *T
helight senso rfo raut omatic driving lights ismalfunctioning . #
Consult aqua li/ed specialist workshop.
:
Active Headlamp sInop era-
tive *T
heactiv eheadlamps aremalf unct ioning. #
Con sult aquali/ed specialistwo rkshop.
:
Swi tch OnHea dlamp s *Y
ouaredr ivin gwit hout low- beam headlam ps. #
Turn thelight switc hto the0058 or0058 position.
:
Switch OffLights *Y
ouarelea ving theve hicle andthelights arestill switc hedon. #
Turn thelight switc hto the0058 position. 344344
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ons
:
Intell. LightSystem Inoper-
ative *T
heIntelli gent Ligh tSy stem isma lfunct ioning .The lighting system cont inues tofunc tionproper lywit hout thefunction s
of theInt ellig entLight System. #
Consult aqua li/ed specialist workshop.
Ada ptiveHig hbe amAssi st
Cu rrentl yUnav ailabl e See
Ope rator'sManua l *A
dap tiveHighbeam Assististempo rarily una vailable.
The system limits have been reac hed (/page115) .
Once thecause ofthepr oblem isno long erpresent, thesy stem will beavailabl eag ain. TheAdaptive Hig hbe am
Assi stNow Availabl e displ aymessag ewill appear . #
Drive on. #
Oper ateth ehigh beam manuall yuntil AdaptiveHig hBeam Assistis availabl eag ain.
Ada ptive Hig hbe amAssi st
Inop erative *A
daptiveHighbeam Assistismalfuncti oning. #
Drive on.
or #
Stop theve hicle inaccor dance withth etra1c conditions andrestar tth eve hicle. #
Ifth edispla ymessag edoes notdisappear :consult aqua li/ed specialist workshop. #
Untilthen, oper ateth ehigh beam manuall y.
Haza rdWa rning Flasher s
Mal functio ning *T
hehazar dwa rning lampswitc his malfunctioning. #
Consult aqua li/ed specia listworkshop. Displ
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345 345

VV
ehicle ehicle
DisplaDispla
ymessag y
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causes/conseq uencesand uences
and0050 0050
Solution s Solution
s
0072
Vehicle ReadytoDrive
Switch theIgnition Off
Before Exiting *Y
ouarelea ving theve hicle inare ady -to-dr ive stat e. #
Getout oftheve hicle, secureit ag ains tro lling awayand take theSmar tKey wit hyo u. #
Ifyo udo notlea vetheve hicle, switcho. theelectr icalconsumer s,e.g. theseat heating. Other wise, the12‑ Vbat-
te ry ma ydisc hargeand star tin gth eengine maybe possible onlywit hth ehelp ofasecond battery(jum pstar t).
Head-up DisplayCurre ntly
Unavail ableSee Operator's
Manua l *T
heHead -upDispl ayistemp orarily una vailable. Possible causes:
R Malf unct ionsin thepo we rsuppl y
R Sign alint erfere nce #
Stop inaccor dance withth etra1c conditions andswitc hth eve hicle o.and onagain. #
Ifth edispla ymessag estill appear s,consult aqu ali/ed special istwo rkshop.
Hea d-upDisp layInop era-
tive *T
heHead -upDispl ayhas aninternal erro r. #
Consult aqua li/ed specialist workshop. 346346
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