Page 217 of 346

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions If
th ese cond ition sare fulfilled ,th efron tpass enger seat canbe
oc cup iedagain .Whe ther thePA SS EN GER AIR BA GOF For ON indi-
cat orlamp remainslit or goe sout depe ndson how OCS classifies
th eoc cup ant.
If th eco nd ition sare notfulf illed ,th esyst emisno toper ating cor-
rec tly.
X Vis itaqualif iedspecialistwor kshop immediat ely.
Fur ther inform ation about theOc cup ant Class ification Sys tem
(Y page 48). Ligh
ts
i Veh
icles wit hLE Dbulbs intheligh tclus ters:
The displaymes sage fortheco rresp ondin glamp onlyappear swhen alloftheLE Ds inthelamp
hav efail ed. Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0049
Che ckLeftCor ner‐ Che
ckLeftCor ner‐
ing Light ing
Lightor Check Che
ck
Rig htCornering Rig
htCornering
Lig ht Lig
ht The
leftor right-hand corneri ng ligh tis def ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftLow Che
ckLeftLow
Bea m Bea
mor Che ck Che
ck
Rig htLow Beam Rig
htLow Beam The
leftor right-hand low-beam headlamp isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or X Vis itaqualif iedspecialistwor kshop . 0049
Che ckRearLef t Che
ckRearLef t
Tur nSig nal Tur
nSig nal or
Che ckRearRig ht Che
ckRearRig ht
Tur nSig nal Tur
nSig nal The
rear left-han dor rear right-hand turnsign alisdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckFrontLef t Che
ckFrontLef t
Tur nSig nal Tur
nSig nal or
Che ckFrontRig ht Che
ckFrontRig ht
Tur nSig nal Tur
nSig nal The
fron tlef t-han dor fron trig ht-hand turnsign alisdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftMir ror Che
ckLeftMir ror
Tur nSig nal Tur
nSig nal or
Che ckRightMir ror Che
ckRightMir ror
Tur nSig nal Tur
nSig nal The
turnsign alin thelef t-han dor right-hand exterio rmir ror isdef ec-
ti ve.
X Vis itaqualif iedspecialistwor kshop . Disp
laymes sage s
215On -boar dcomp uter anddi sp lay s Z
Page 218 of 346

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0049
Che ckCenter Brake Che
ckCenter Brake
Lam p Lam
p The
high -moun tedbrak elamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftBra ke Che
ckLeftBra ke
Lam p Lam
por Che ckRight Che
ckRight
Bra keLamp Bra
keLamp The
leftor right-hand brak elamp isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftHig h Che
ckLeftHig h
Bea m Bea
mor Check Che
ck
Rig htHighBea m Rig
htHighBea m The
leftor right-hand high beam isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Lic ensePla teLam p Lic
ensePla teLam p The
leftor right-hand licen se plat elamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftFog Lamp Che
ckLeftFog Lamp
or Che ckRightFog Che
ckRightFog
Lam p Lam
p The
leftor right-hand foglamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Rea rFog Lamp Rea
rFog Lamp The
rear foglamp isfault y.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckFrontLeft Che
ckFrontLeft
Par kingLam p Par
kingLam por
Che ckFrontRight Che
ckFrontRight
Par kingLam p Par
kingLam p The
fron tlef tor fron trig ht park ingorstand inglamp isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Bac kup Light Bac
kup Light The
backup lamp isdef ective.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftTai l Che
ckLeftTai l
Lam p Lam
por Che ck Che
ck
Rig htTailLam p Rig
htTailLam p The
leftor right-hand taillamp isdef ective.
X Vis itaqualif iedspecialistwor kshop . 216
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s
Page 219 of 346

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 0049
Che ckFrontLef t Che
ckFrontLef t
Sid emarkerLam p Sid
emarkerLam por
Che ckFrontRight Che
ckFrontRight
Sid emarkerLam p Sid
emarkerLam p The
fron tlef t-han dor fron trig ht-hand side markerlamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckRearLef t Che
ckRearLef t
Sid emarkerLam p Sid
emarkerLam por
Che ckRearRig ht Che
ckRearRig ht
Sid emarkerLam p Sid
emarkerLam p The
rear left-han dor rear right-hand side markerlamp isfault y.
X Vis itaqualif iedspecialistwor kshop . 0049
Che ckLeftDay time Che
ckLeftDay time
Run ningLig ht Run
ningLig ht or
Che ckRightDay‐ Che
ckRightDay‐
tim eRun ningLig ht tim
eRun ningLig ht The
leftor right-hand daytimerunninglamp isfault y.
X Chec kwhet heryou arepermittedto rep lace thebulb yours elf
(Y page 106).
or X Vis itaqualif iedspecialistwor kshop . 0049
Mal functionSee Mal
functionSee
Ope rator'sMan ual Ope
rator'sMan ual The
exterio rligh ting ismalf unction ing .
X Vis itaqualif iedspecialistwor kshop . 0049
Aut oLam pFun cti on Aut
oLam pFun cti on
Ino perative Ino
perative The
lightsen sor isdef ective.
X Vis itaqualif iedspecialistwor kshop . 0049
Swi tch OffLights Swi
tch OffLights The
lightsare still swit ched on when youleaveth eveh icle. Awarn -
ing tone also soun ds.
X Turn theligh tswit chtothe0058 position . 0049
Swi tch OnHeadla mps Swi
tch OnHeadla mps You
aredrivin gwit hlow- beam headlampsswit ched off.
X Turn theligh tswit chtothe0058 or0058 position . Disp
laymes sage s
217On -boar dcomp uter anddi sp lay s Z
Page 220 of 346

Engine
Disp
laymes sages Possi
blecauses/cons equences and0050 0050
Solu tions 00BD
Che ckCoolant Che
ckCoolant
Lev elSee Opera‐ Lev
elSee Opera‐
tor 'sManual tor
'sManual The
coolant levelis toolow.
! Av
oid longer journ eys when there isins ufficie ntcoo lant inthe
eng inecoo ling system. You couldot her wise damag eth eeng ine.
X Add coolant ,obse rving thewarn ingnotesbefo redoin gso
(Y page 277).
If you have toaddcoolan tfr equ ently:
X Con tacta qualifi edspec ialist workshopand have theeng inecoo l-
ing syst emcheck ed. 00AC The
fanmot orismalf unctionin g.
X At coo lant temper aturesbelow 248‡ (12 0†) ,dr ive to the near-
est qualifi edspec ialist workshop.
X Av oid heav yloads ontheeng ineasyou doso, e.g.driv ingin
moun tainous terrain and stop- and- gotraff ic. 00AC
Coo lantToo Hot Coo
lantToo Hot
Sto pVeh icleTur n Sto
pVeh icleTur n
Eng ine Off Eng
ine Off The
coolant istoohot .
A warn ingtone also soun ds.
G WAR
NING
Do notdriv ewhen yourengineisove rheated.This cancaus esom e
fluids whichmay have leakedintoth eeng inecom partmen tto cat ch
fir e.
St eam from theove rheatedeng inecan also causeser ious burns
whic hcan occurjus tby open ingthehood .
Ther eis arisk ofinjury.
X Pull overand stop theveh icle safe lyand switchoff theeng ine,
paying attent ion toroad andtraff iccon dition s.
X Sec ure theveh icle again stroll ing away (Ypage 145).
X Wait untilth eeng inehas cooleddown .
X Mak esure that theair supply totheeng ineradiat orisno t
bloc ked, e.g .by snow, slush orice .
X Do notst art theeng ineagain untilth edisplay message goes out
and thecoo lant temper atureis below 248‡ (12 0†). Other wise,
th eeng inecoul dbe damage d.
X Pay attent ion tothecoo lant temper aturedisplay.
If th etem peratur eincr eases again:
X Visit aqualifi edspec ialist workshop immediat ely.
Un der norm aloper atingcon dition sand with thespec ified coolant
leve l,th ecoo lant temper aturemay riseto248‡ (12 0†). 218
Displa
ymes sagesOn-boar dcomp uter and displa ys
Page 221 of 346

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 003D
See Operator'sMan ‐ See
Operator'sMan ‐
ual ual The
battery isno tbein gch arg ed.
A warn ingtone also soun ds.
Pos siblecaus esare:
R adef ective altern ator
R ato rn poly- V-belt
R amalf unction intheelec tron ics
! Do
notdri ve any further. Other wise theen gin emay overheat.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Con sult aqualif iedspecialistwor kshop . 003D
Sto pVeh icleSee Sto
pVeh icleSee
Ope rator'sMan ual Ope
rator'sMan ual The
battery isno longer bein gch arg edand theco nd ition ofcharg e
is toolow.
A warn ingtone also soun ds.
X Pull overand stop theveh iclesaf ely and switchoff theen gin e,
payin gatt ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Obs erveth eins truct ionsin thedisp laymes sage 003D SeeOper‐ See
Oper‐
ato r's Manual ato
r's Manual.
X Con sult aqualif iedspecialistwor kshop . 00B2
Che ckEngine Oil Che
ckEngine Oil
At NextRef uel ing At
NextRef uel ing The
engin eoil levelhas dropped tothemin imum level.
A warn ingtone also soun ds.
! Av
oid longer journ eys when there isins ufficien ten gin eoil. You
co uld other wise damag eth een gin e.
X Chec kth eoil levelwhen next ref uelin g,at thelat est
(Y page 275).
X Ifne cessar y,add engin eoil (Ypage 276).
If th eengin eoil need stop pingup mor eoft en:
X Con tacta qualif iedspecialistwor kshop andhaveth een gin e
ch ecke d.
In for mat iononappr oveden gin eoils can beobt ained from any quali-
fie dspe cialistwor kshop oron theIn te rn et athttp :/ /
bev o.mer cedes -ben z.co m. 00D4
Fue lLev elLow Fue
lLev elLow The
fuel levelhas dropped intoth eres erveran ge.
X Refue lat thene ares tgas stati on. Disp
laymes sage s
219On -boar dcomp uter anddi sp lay s Z
Page 222 of 346

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00D5 The
reison lyaver ysma llamou ntoffuel inthefuel tank.
X Refue lat thene ares tgas stati on without fail. 00D4
Gas CapLoose Gas
CapLoose The
fuel filler cap isno tclo sed correc tly or thefuel systemisleak -
ing .
X Chec kth at thefuel filler cap isco rrec tly clo sed .
If th efu el fill er cap isnot correctly closed :
X Clos eth efuel filler cap .
If th efu el fill er cap iscor rectly closed :
X Vis itaqualif iedspecialistwor kshop . Dri
ving system s Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00AD
Att ention Assist: Att
ention Assist:
Tak eaBre ak! Tak
eaBre ak! Bas
edon certain criteri a,AT TENTI ON ASSIST has detectedfat igue
or alack ofconcen trati on onthepart ofthedri ver .A warn ingtone
also soun ds.
X Ifne cessar y,tak eabre ak.
Dur ing longjo urn eys, takereg ular breaks ingoo dtime soyou get
en ough rest. 00AD
Att ention Assist Att
ention Assist
Ino perative Ino
perative AT
TENTI ON ASSIST isino per ative.
X Vis itaqualif iedspecialistwor kshop . 00C6
Ino perative Ino
perative DS
R(D own hillSpeed Regulat ion)is deac tivat ed due toamalf unc-
ti on .
X Vis itaqualif iedspecialistwor kshop . 00D9
Off Off The
HOLD function isdeac tivat ed. The vehicleis sk iddin g.
A warn ingtone also soun ds.
X Reac tivat eth eHO LD function later (Y page 166). The
HOLD function isdeac tivat ed. Whe nth ebrak epedal isfirmly
depr essed, anact ivat ion cond ition isno tfulf illed .
A warn ingtone also soun ds.
X Chec kth eact ivat ion cond ition sfor theHO LD function
(Y page 166). 220
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s
Page 223 of 346

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Lan
eKee ping Lan
eKee ping
Ass ist Currently Ass
ist Currently
Una vailableSee Una
vailableSee
Ope rator'sMan ual Ope
rator'sMan ual Lan
eKee pingAs sis tis deac tivat ed and tempo rarily ino per ative.
Pos siblecaus esare:
R thewin dsh ield inthecam era'sfie ldof vis ion isdir ty
R vis ibilit yis imp aire ddue toheav yrain ,sn ow orfog
R there havebeen nolanemar king sfor anextend ed per iod
R thelan emar king sare wornaway, darkorcover edup, e.g. by dirt
or snow
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Lan eKee pingAs sis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Clean thewin dsh ield. Lan
eKee ping Lan
eKee ping
Ass ist Inoperati ve Ass
ist Inoperati ve Lan
eKee pingAs sis tis def ective.
X Vis itaqualif iedspecialistwor kshop . Bli
ndSpotAss ist Bli
ndSpotAss ist
Cur rently Unavai la‐ Cur
rently Unavai la‐
ble SeeOperat or's ble
SeeOperat or's
Man ual Man
ual Bli
nd Spot Assis tis tempo rarily ino per ative.
Pos siblecaus esare:
R theradar sensor syst emistempo rarily ino per ative, e.g. due to
elec tromag netic radi ation emi tted bynearby TVorradi ostati ons
or other sour cesof elec tromag netic radi ation
R theradar sensor syst emisout side theoper ating tempe rature
ran ge
The yellow 0063indicat orlamp salso lightup intheex terio rmir rors.
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Bli nd Spot Assis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Rest arttheen gin e. Bli
ndSpotAss ist Bli
ndSpotAss ist
Ino perative Ino
perative Bli
nd Spot Assis tis malf unction ing .
The yellow 0063indicat orlamp salso lightup intheex terio rmir rors.
X Vis itaqualif iedspecialistwor kshop . Act
ive Parking Act
ive Parking
Ass ist Canceled Ass
ist Canceled The
driver 'sdoor isopen andthedri ver 'sseat belthasnotbeen fas-
te ne d.
X Repeat thepark ingprocess wit hth eseat beltfastene dand the
dri ver 'sdoor closed . Disp
laymes sage s
221On -boar dcomp uter anddi sp lay s Z
Page 224 of 346

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions You
haveina dve rten tly to uch edthemult ifunction steer ing whee l
while steer ing interv ention was active.
X Whil est eer ing interv ention isact ive,mak esur eth at themult i-
fun ction steer ing whee lis no tto uch eduninten tion ally. The
vehiclehas start ed toskid and ESP®
has interv ened.
X Use Active Park ingAssis tagain later (Y page 174). Act
ive Parking Act
ive Parking
Ass ist Inoperative Ass
ist Inoperative You
havejus tcar riedout alarg enum beroftur nin gor park ing
man euve rs.
Ac tive Park ingAssis twill become available again afterappr ox-
imat elytenmin utes(Y page 174).
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Swi tchoff and restartth een gin e.
If th emult ifunction disp laystill sho wsthedisp laymes sage :
X Vis itaqualif iedspecialistwor kshop . Park
ingAssis tPA RKTRO NICis malf unction ing .
X Vis itaqualif iedspecialistwor kshop . Act
ive Parking Act
ive Parking
Ass ist Finished Ass
ist Finished The
vehicleis park ed.Awarn ingtone also soun ds.
The displaymes sage disap pearsauto matically. Act
ive Distance Act
ive Distance
Ass ist Off Ass
ist Off Ac
tive Distanc eAs sis tDI ST RONI Cwas deac tivat ed (Ypage 163).
If it was notdeac tivat ed bythedri ver ,a warn ingtone also soun ds. Act
ive Distance Act
ive Distance
Ass ist NowAvaila ‐ Ass
ist NowAvaila ‐
ble ble Ac
tive Distanc eAs sis tDI ST RONI Cis oper ationalagain afterhav ing
been tempo rarilyunav ailable .You cannowreac tivat eAc tive Dis-
tan ceAssis tDI ST RONI C(Y page 160). Act
ive Distance Act
ive Distance
Ass ist Currently Ass
ist Currently
Una vailableSee Una
vailableSee
Ope rator'sMan ual Ope
rator'sMan ual Ac
tive Distanc eAs sis tDI ST RONI Cis tempo rarily ino per ative.
Pos siblecaus esare:
R theradar sensor syst emistempo rarily ino per ative, e.g. due to
elec tromag netic radi ation emi tted bynearby TVorradi ostati ons
or other sour cesof elec tromag netic radi ation
R thesyst emisout side theoper ating tempe rature range
R theon -boar dvol tag eis toolow
A warn ingtone also soun ds.
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Ac tive Distanc eAs sis tDI ST RONI Cis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 145).
X Rest arttheen gin e. 222
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s