2022 MERCEDES-BENZ GLS check engine

1
003E003D Turn sign allights →
149
2 0075 Restr aint system →
480
3 00BB ESP®
OF F →
491
00E5 ESP®
→
491
4 005E Rear foglam p →
149
5 0057 Highbeam →
149
0058 Lowbea m →
148
0060 Parking lamps →
148
6 ÿ Coolant temp eratur e →
482
7 Coolant temp eratur edispla y →
283
8 0024 Electricpar king brak e(yello w) →
486
9 00C6 Recuper ativeBr ak eSy stem, USAonl y →
486
004D Brak es (yello w), Canada only →
486
A 003D Electricalmalfu nction →
482
B L Distance warning →
489
C 0025 ABS →
491 D
Ù Powe rst eer ing →
481
E 0077 Tire pressur emonit oring system →
493
F 00B6 Reser vefuel with fuel /ller 0aploca tio n
ind icat or →
482
G Fuelleve l →
283
H Electr icpar king brak e(red) →
486
0049 USAonl y
0024 Canada only
I Brak es (red) →
486
0027 USAonl y
004D Canada only
J 00E9 Seatbelt →
480
K 00B9 CheckEngine →
482
L ä Suspension (red) →
489
ä Suspension (yello w) →
489 At
aglan ce–Indi catorand warning lamps
11 11

#
T T
o switc o
switc hon t h
on the pow he
power suppl y er
suppl y: :
pr ess button
1 once.
Yo ucan, forex am ple, activ ateth ewindshield
wiper s.
The powe rsuppl yis switc hedo.again ifth efo l-
lo wing conditions areme t:
R Youopen thedr iver's door .
R Youpr ess button1 twice more. #
T T
o switc o
switc hon t h
on the v he
vehicle: ehicle:
press button1
twice.
Indicat orand warning lampsgo on inthe
inst rument cluster.
The vehicle isswitc hedo.again ifone ofthefo l-
lo wing conditions isme t:
R Youdo notst ar tth eve hicle within 15min utes
and thetransmission isin position 005Dorthe
electr icpar king brak eis applied.
R Youpr ess button1 once. SS
t t
ar ar
ting t ting
the v he
vehicle ehicle
SS
t t
ar ar
ting t ting
the v he
vehicle wit ehicle
witht h
the st he
star ar
t/s t t/s
top butt op
butt on on
&
D D
AN AN
GER GER
Riskoffata linjur iescaused by
ex haus tga ses
Combu stion enginesemit poison ousexhaus t
ga ses, suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisoning . #
Neverru nth eve hicle and,ifpr esen t,the
st at iona ry heat erind oor swit hout su1-
cient ventila tion. &
W W
ARNI NG ARNI
NGRisk of/redue to0amma ble
mat erial intheengine compartment orthe
ex haus tsy stem
Flammab lemat erials mayign ite. #
Ther efor e, checkre gula rly th at ther ear e
no 0amma blemat erials intheengine
com partment oron theex haus tsy stem. RR
eq eq
uir uir
emen ts: emen
ts:
R The Smar tKey isin theve hicle andisrecog-
niz ed. #
ShiT thetransmission toposition 005Dor005C. #
Depr essthebr ak epedal andpress button1
once. #
Ifth eve hicle does notst ar t:switc ho. non -
essen tialconsu mersand press button1
once . #
Ifth eve hicle still does notst ar tand thedis-
pla ymessag ePlace theKey inthe Marked
Space SeeOperator's Manualappear sin the
inst rument displa y:sta rttheve hicle withth e
Sma rtKe yin themar kedspace (emergency
ope ration mode )(/ page175).
% Youcan switc ho. theve hicle while drivi ng .To
do this, press button1 forabout thre esec-
onds orby pressing button1 thre etimes
wit hin thre eseconds. Besureto obser vethe
saf etyno tesund er"Dr iving tips"
(/ page178). 174174
Dr
iving and parking

Obser
veanyinf ormatio nre ga rding displa ymes-
sag esthat can bedispl ayedon theinst rument
displa y.
S S
t t
ar ar
tin gt tin
gthe v he
vehicle wit ehicle
witht h
the Smar he
Smar tKe tK
ey in t y
in the he
mar k mar
ked space (emerg ed
space (emergency oper ency
operationmode) atio
nmode)
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator's Manual
messag eappear sin theinst rument displa y,yo u
can star tth eve hicle inemer gency operation
mode . #
Mak esur eth at mar kedspace 2isem pty. #
Remo veSma rtKe y1 from theke yring. #
Plac eSmar tKey 1 inmar kedspace 2next
to symbol 3.
The vehicle willstar taTer ashor ttime .
When youre mo veSma rtKe y1 from mar ked
space 2,theve hicle canbedriven. Forfur -
th er engine star ts howev er,Smar tKey 1 must
belocat edinmar kedspace 2next to
symbol 3during theentir ejour ney. #
Have Sma rtKe y1 checkedat aqu ali/ed spe-
ciali stwo rkshop.
If t If
the v he
vehicle doesno ehicle
doesnotst t
st ar t: ar
t: #
Place SmartKey 1 inmar kedspace 2and
lea veitth er e. #
Depr essthebr ak epedal andstar tth eve hicle
usin gth estar t/s topbutt on.
% Youcan switc hon thepo we rsuppl yor the
ve hicle withth estar t/s topbutt on.
Obser veanyinf ormatio nre ga rding displa ymes-
sag esthat can bedispl ayed on theinst rument
displa y. SS
t t
ar ar
tin gt tin
gthe v he
vehicle viaR ehicle
viaRemo t emo
te Onl ine Ser e
Onl ine Service s vice
s Cool
ingorheati ngt Cool
ingorheati ngthe v he
vehicle int ehicle
inter er
ior bef ior
before or
e
st st
ar ar
tin gt tin
gthe jou r he
jou rne y ne
y
Ensu rethefo llo wing beforestar ting theengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin estar ting via
smar tphone. Dr
iving andparking
175 175

R
When theengine isoTen leTidling forlong
per iods
R Oper ation inpar ticular lydust ycondition s
and/or ifair -recir culation modeisfreq uentl y
used
In these orsimilar operating conditions, have the
int erior air/lter,air /lter,engine oiland oil/lter,
fo rex am ple, chang edmor efreq uen tly. The tires
must becheckedmor efreq uentl yif th eve hicle is
oper ated und erincr eased loads. Further informa-
tion canbeobt aine dat aqu ali/ed special istwo rk-
shop. Bat
t Bat
ter er
ydiscon nectionper y
discon nectionperiods iods
The
ASSYST PLUS service interva ldispla ycan cal-
culat eth eser vice duedateonl ywhen thebatt ery
is connect ed. #
Displa yand note down theser vice duedate
on theinst rument displa ybef oredisconne ct-
ing thebatt ery(/ page334). Engine
com Engine
compar par
tment tment
Opening
andclosing t Opening
andclosing the hood he
hood &
W W
ARNIN G ARNIN
GRisk ofaccident duetodriving
wit hth ehood unlocked
The hood mayope nand blockyour vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood is
loc ked. &
W W
ARNIN G ARNIN
GRisk ofaccident andinjury
when openingand closin gth ehood
The hood maysuddenl ydr op intoth eend
position.
Ther eis arisk ofinjuryfo ran yone inthe
hood's rang eof mo vement. #
Donotopen orclose thehood ifth er eis
a per son inthehood's rang eof mo ve-
ment. &
W W
ARNIN G ARNIN
GRisk ofbur nswhen openin gth e
hood
If yo uopen thehood intheev ent ofan ove r-
heat edeng ineor/rein theengine compart-
ment, thefo llo wing situations mayoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her
escapin gho toper ating0uids. #
Beforeopen ingthehood, allowthe
engine tocool down. #
Intheev ent ofa/r ein theengine com-
par tment, keep thehood closed andcall
th e/r eser vice. &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomo ving
par ts
Com ponen tsintheengine compartment may
continue torunor star tune xpectedl yev en
when thedr ive sy stem isswitc hedo..
Obser vethefo llo wing ifyo umust open the
hood: Main
tenanc eand care
335 335

#
Drain o.anyex cess engineoilthat has been
added. Todo so, consult aqua li/ed specialist
wo rkshop.
R For Engine OilLeve lSwi tch Ignition On #
Switchon theve hicle tocheckth eengine oil
le ve l.
R Engine OilLevel System Inoperative: Theoil
le ve lsensor isdef ectiv eor notconnect ed. #
Consult aqua li/ed specia listworkshop.
R Engine OilLeve lSys tem Currentl yUnav ail. #
Close thehood.
R R
e/lling e/lling
engine oil engine
oil &
W W
ARNIN G ARNIN
GRisk ofbur nsfrom hotcom po-
nent partsintheengine compartment
Cer tain com ponent partsintheengine com-
par tment canbevery hot,e.g .th eengine, the
cooler andpartsof theex haus tsy stem. #
Allow theengine tocool down and only
to uc hcom ponent partsdescr ibedinthe
fo llo wing. &
W W
ARNIN G ARNIN
GRisk of/reand injur yfrom
engine oil
If engine oilcomes intocont actwithho tcom-
ponent partsintheengine compartment, it
ma yignit e. #
Mak esur eth at no eng ineoilisspill ed
ne xt to the/ller opening. #
Allo wtheengine tocool o.and thor -
oughl yclean theengine oilfrom com po-
nent partsbef orestar ting theve hicle. *
N NO O
TE TE
Eng inedamag ecaused byan inco r-
re ct oil /lter,incor rect oil oradditi ves #
Donotuse engin eoils oroil /lterswhic h
do notcor respond tothespeci/c ations
ex plicitl ypr escr ibed forth eser vice inter-
va ls. #
Followtheinst ruction son theser vice
int erva ldispla yfo rch ang ingtheengine
oil and obser vethepr escr ibed chang e
int erva ls. #
Donotuse additiv es. *
N NO O
TE TE
Damag ecaused byre/lli ng too
muc hengi neoil To
omuc hengin eoil can damag eth eengine or
th ecat alytic converter . #
Have excess engineoilremo vedat a
qu ali/ed special istwo rkshop. %
Depen dingon drivi ng style, theve hicle con-
sumes upto0.9 USqt(0.8 liter) ofoil per
600 miles (1000 km).Theoilconsum ption
ma ybe higher than this when theve hicle is
ne wor ifyo ufreq uentl ydr ive at high engine
speeds.
% Depending ontheengine, thecap maybe
inst alled intheengine compartment indi.er -
ent locations. 338338
Maint
enance andcare

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
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 e175). LightsLights
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
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
429 429

Engi
ne Engi
ne DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/consequences and uences
and0050 0050
Solu tions Solu
tions
To swi tch engine off,pres s
and holdStart/Stop but-
ton foratlea st3seconds
or pres s3 times. *Y
ouhave pressed thestar t/s topbutt onwhile theve hicle isin mo tion . #
Informatio nabout switchingo.theve hicle while drivi ng (/ page174).
Ca nnot Start Engine See
Ope rator'sManua l *T
hevehicle cannotbe star ted. #
Switc hth eve hicle o.and switc hit bac kon #
Ifth edispla ymessag estill appear s,consult aqu ali/ed special istwo rkshop.
00BD
Ch eck Coolant Leve lSee
Ope rator'sManua l *T
hecoolan tle ve lis toolow.
* N N
O O
TE TE
Engine damagedue toinsu1c ientcoolant #
Avoid long journeys wit hinsu1cient coolant. #
Addcoolant (/page339). #
Have theengine cooling system checkedat aqu ali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
439 439

WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
00B9
Engin ediagnosis warning
lam p *T
he yello wChec kEngine warning lampis lit while theengine isrunning.
A ma lfunct ionhasocc urredin theengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceeded andtheengine maybe inemer gency mod e.
In som estat es, legalrequ irements stipulateth at youmust immediat elyconsult aqu ali/ed special istwo rkshop assoon
as theye llo wChec kEngine warning lamplights up. #
Have theve hicle checkedas soon aspossible ataqu ali/ed special istwo rkshop.
003D
Elect rical malfu nctionwarn-
ing lamp *T
heredelectr icalmalfuncti onwarning lampis lit.
Ther eis amalfunction intheelectr ics. #
Notethemessag eson theinstr ument display.
00B6
Fu elreser vewarning lamp
0as hes *T
he yello wfuel reser vewarning lamplights upwhile youar edr iving.
Ther ehas been pressur eloss inthefuel system. Thefuel /ller capisno tclosed correctl yor thefuel system isleaking. #
Close thefuel /ller cap.
If th efuel /ller caphasalready been closed correctl y: #
Consult aqua li/ed specialist workshop. 484484
Displ
aymessag esand warning/in dicatorlam ps