2020 MERCEDES-BENZ GLS COUPE service

Digita
l– in theve hicl eV ehicledocument walletD igital–on theInt erne tD igital–as an App
Fa mili arize yourself withth econ ‐
te nts oftheOper ator's Manual
dir ect lyvia theve hicle's multi‐
media system (menu item "Vehi‐
cle"). Startwit hth equ ick guide,
disco veryo ur vehicle's highlights
or broaden your know ledg ewit h
useful tips. Her
eyo ucan find com prehe n‐
si ve informatio nabout operating
yo ur vehicle andabout services
and warrant ies inprint ed form . Yo
ucan find theOper ator's Man‐
ual ontheMer cedes- Benzhome‐
pag e. The
Mercedes- BenzGuides App
is available free- of-charge in
fa mili arApp stor es. É257
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2575849001 Apple
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iOS AndroidTM Or
der no.P25 701 51 13 Partno. 25758 490 01
Edi tionB2020 CL
S Op
erator' sMa nua l
Mer cedes-BenzMerc edes- Benz CLS

Oper
ating thesun visor s... .......................... 134
Ar ea perm eable toradio wav eson the
winds hield.................................................. 135
Infr ared-r eflectiv ewindshi eldfunction ........ 135 Clim
atecontr ol........................................ 136
Ov ervie wof climat econt rolsy stems ..........1 36
Oper ating theclimat econ trol system ......... 137 Dr
ivin gand parking ................................. 143
Dr iving ............ ............ ........................ ........143
DY NA MIC SELE CTswitc h... ............... ......... 155
Au tomatic transmiss ion.............................. 156
Fu nctio nof 4MA TIC<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............161
Re fuel ing...... ............................................... 162
Pa rking .......................................................1 64
Dr iving and drivi ng safety systems .............. 173
Ve hicle towing instruct ions .........................2 29 Ins
trument Displa yand on-b oard
co mp uter ...... ............................................230
Ins trument Displayove rview ...................... 230 Ov
ervie wof thebutt ons onthesteer ing
wheel ..........................................................2 31
Oper ating theon- boar dcom puter.............. 232
Se tting thedesign ...................................... 233
Se tting thear ea foradd itional values .........2 33
Ov ervie wof disp lays on themultifunc ‐
tion displa y... .................................... ..........2 34
Ad jus ting theins trument lighting ............... 235
Menus andsubmenus ................................ 235
Head-up Display... ...................................... 242 Vo
ice Contr olSy stem .............................. 244
No teson oper ating safety...........................2 44
Oper ation .......................................... ......... 245
Using theVo ice Cont rolSy stem effec‐
tiv ely <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>...246
Esse ntialvo ice com mand s.......................... 247 Multimedia
system .................................. 259
Ov ervie wand oper ation .................. ............ 259
Sy stem settings .............................. ............ 268
Fit &Healt hy<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 280
Na vig ation .......................................... ........282
Te lephon e........................................ ...........3 07 Online
andInterne tfunctions ..................... 329
Media ......................................................... 335
Ra dio .......................................................... 347
Sound .........................................................3 54 Maint
enanc eand care..... ........................ 357
ASS YSTPL US service interva ldispla y........ 357
En gine compartment .................................. 358
Cleanin gand care.......................................3 64 Br
eak down assista nc e<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 373
Emerg ency............. .....................................373
Fla ttir e<0011001100110011001100110011001100110011001100110011001100110011
0011> <0011001100110011001100110011001100110011001100110011001100110011
0011><0011001100110011001100110011001100110011001100110011001100110011
0011>....373
Batt ery(v ehi cle) <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 379
To w star tin gor towing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 385
Elec trica lfus es<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 390 Whe
elsand tires <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 394
No teson noise orunusua lhandling char‐
act eristic s...................................................3 94
No teson regular lyinsp ecting wheels and
tir es ............................................................ 394
No teson sno wch ains ................................ 395 Con
tents 3

eq
uipped withall featur esdesc ribed. Thisisalso
th ecase forsy stems andfunc tionsre leva nt to
saf ety. Ther efor e, theeq uipment onyour vehicle
ma ydif ferfr om that inthedescr iption sand illus‐
tra tion s.
The original purchase agreeme ntforyo ur vehicle
cont ains alis tof all ofthesy stems inyour vehi‐
cle.
Should youha ve anyqu estion scon cerning
eq uipment andoper ation, please consult an
aut hor ized Mercedes- BenzCenter.
The Oper ator's Manual andMaint enanc eBook let
ar eim por tant docum ents andshould be kept in
th eve hicle. Ser
vice andvehicl eoper ation Ve
hicl eoper ation outside theUS Aor Cana da When
youar eabr oad withyo ur vehicle, observe
th efo llo wing points:
R service point sor replacemen tpar tsma yno t
be available immediat ely. R
unle aded fuelmayno tbe available forve hi‐
cles withacat alytic converter .Leaded fuel
ma ycause damag eto thecat alytic converter .
R thefuel mayha ve an extreme lylow oct ane
num ber.Un suit able fuelcancause engine
damag e.
Some Mercedes-Benz modelsareav ailable in
Eur ope thro ugh ourEuropean DeliveryPr og ram.
Fo rmor einf ormation, pleaseconsult anauthor‐
ized Mercedes‑B enzservice center,or write to
one ofthefo llo wing address:
in theUS A:
Mer cede s-Benz USA,LLC
Eur opea nDeliv eryDepar tment
One Mercedes-Benz Drive
Sandy Springs, GA30328
in Canada:
Mer cedes-Benz Canada,Inc.
Eur opea nDeliv eryDepar tment
98 Vande rhoof Avenue
To ronto, Ont ario M4G 4C9 Mai
nten anc e Yo
ur cus tomer advisorconf irms theser vice in
th eser vice repor t. Ro
adside Assistan ce The
Mercedes -Benz Roadside Assis tance Pro‐
gr am offers tech nica lhel pin thecase ofa
br eakdo wn.Your calls totheto ll-f reeRo adside
As sis tance Hotline areans weredby our agents
24 hour sa da y,365 days aye ar.
1- 80 0-FO R-MER Cedes (1-800-367-63 72)(US A)
1-8 00-387-0 100(Canada)
Yo ucan find further information inthe
Mer cedes-Ben zRo adside Assis tance Progr am
br oc hu re (US A)orthe"R oadside Assistance"
secti onintheSer vice andWarrant ybook let
(Canad a).Youwill find both intheve hicle docu‐
ment wallet. Chang
eof address orchang eof ow ner ship In
theeve ntofach ang eof addr ess, please send
us the"No tification ofaddr esschang e"inthe Gene
ralno tes 23

Ser
vice andGuarant eeboo kletor simpl ycal lth e
Mer cedes-Ben zCus tomer Assis tance Center
(US A)on theho tline number
1-8 00- FOR-MER Cedes (1-800-367-63 72)or Cus‐
to mer Service (Canada )on 1-800-38 7-0100. We
can then reac hyo uin atim elyfa shion, ifneces‐
sar y.
If yo usell your Mer cedes,pleas elea veall liter a‐
tur ein theve hicle sothat itis available tothe
ne xt ow ner .If yo uha ve pur chased aused vehi‐
cle, please sendusthe"No tice ofPur chase of
Used Car"intheSer vice andGuar anteebookle t
or sim plycall theMer cedes- BenzCustomer
Assis tance Center (US A)attheho tline number
1-8 00- FOR-MER Cedes (1-800-367-63 72)or Cus‐
to mer Service (Canada )at 1-800-38 7-0100. Po
ssible dangerdue tosubs tances hazard‐
ous tohealth In
com pliance withPr oposi tion65("Prop65"),
th efo llo wing detach able label hasbeen added to
eac hve hicle soldinCali forn ia: Oper
ating safety &
WARNIN GRisk ofacci dent dueto mal‐
functions orsystem failur es
If yo udo notha ve thepr escr ibed service/
maint enanc ewo rkor anyre qu ired repair s
car ried out, this could result inmalfunctions
or system failur es. #
Alw aysha ve thepr escr ibed service/
maint enanc ewo rkas wellan yre qu ired
re pair scar ried out ataqu alif ied spe‐
cialis two rkshop. &
WARNIN GRisk ofacci dent andinjuryas
a re sult ofincor rect mod ifica tions to
electr oniccomponen tpar ts
Modif ication toelectr oniccomponen ts,their
sof twareor wir ing could impair their func tion
and/or thefunc tion ofother networke dcom‐
ponen tpar ts.Inpar ticular ,sy stems releva nt
to saf etyco uld also beaffect ed.
As are sult, they ma yno long erfunction as
int ended and/or endangertheoper ating
saf etyof theve hicle. #
Neverta mp erwit hth ewir ing and elec‐
tr onic componen tpar tsor their soft‐
wa re. #
Yousho uld have all workon electr ical
and electr oniccomponent scar ried out
at aqu alif ied spec ialistwo rkshop. Obser
vethe"On-boar delectr onics"sect ionin
"T ec hnical data". 24
Generalno tes

te
sted withre ga rd totheir use and are
con sider edsafe. &
WARNIN GRisk ofacci dent dueto
object sin thedr iver's foot we ll
Obj ectsin thedr iver's foot we llma yim pede
pedal trav el or bloc kadepr essed pedal.
This jeopar dizestheoper ating androad
saf etyof theve hicle. #
Stow allobj ect sin theve hicle secur ely
so that they canno tget intoth edr iver's
fo ot we ll. #
Alw aysins tallth efloor mats securely
and asprescr ibed inorder toensur e
th at ther eis alw ayssuf ficie ntroom for
th epedals. #
Donotuse loose floor mats anddonot
place floor mats ontopof one another. *
NO
TEBatt erydi sc ha rging from using
de vice sconne cted tothediagnos tics
con nect ion Using
devices atthediagnos ticsconnect ion
dr ains thebatt ery. #
Chec kth ech arge leve lof thebatt ery. #
Ifth ech arge leve lis low, charge the
batt ery, e.g. bydriving acon sider able
dis tance. Co
nnecti ngequip ment tothediagnos ticscon‐
nect ioncan lead toemissions monitoring infor‐
mation beingrese t,forex am ple. This maylead
to theve hicle failing tomee tth ere qu iremen tsof
th ene xt emissions inspectionduring themain
inspect ion. Qualif
iedspecialis two rkshop
An author ized Mercedes-B enzCent erisaqu ali‐
fi ed specialis two rkshop. Ithas theneces sary
special skills,tools and qualif icat ionsto cor‐
re ctly carryout thewo rkrequ ired on your vehi‐ cle.
This particular lyapplies tosaf ety-re leva nt
wo rks.
Fo rth efo llo wing, alwaysha ve your vehicle
ch eckedat an aut hor ized Mercedes- BenzCen‐
te r:
R safety-re leva nt wo rks
R service andmaint enance work
R repair work
R modif icationsaswellas installation sand
con versions
R workon electr oniccomponent s
Mer cedes‑B enzrecomme ndsaMercedes‑Be nz
ser vice center. Co
rrect use oftheve hicl e
If yo ure mo veanywa rning sticke rs,yo uor other s
could failto recogni zecer tain dang ers. Lea ve
wa rning sticke rs inposit ion.
Obser vethefo llo wing informatio nin par ticular
when drivin gyo ur vehicle:
R thesaf etyno tesin this manual Gener
alno tes 27

yo
ur vehicle aswellas on possible vehi‐
cle damag e. QR
code forre scue card
The QRcode issecur edinthefuel filler flap and
on theopposit eside ontheB-pillar .In theeve nt
of an acci dent, rescue services canusetheQR
code toquickl yfind theappr opriatere scue card
fo ryo ur vehicle. Thecurrent rescue cardcon‐
ta ins themos tim por tant informa tionab ou tyo ur
ve hicle inacom pact form ,e.g. thero utin gof the
electr iclines.
Fu rther information canbeobt ained athttp: //
www .mercedes-benz .de/qr-code. Data
storage Electr
oniccontr olunit s Ele
ctro nic contr oluni tsareins talled inyour vehi‐
cle. Some ofthese areneces saryfo rth esaf e
oper ation ofyour vehicle, whilesome assistyo u
when drivin g(dr iver assis tance systems). In
addition, your vehicle prov ides comfort and ent
ertainm ent func tions,whic har ealso made
possible byelectr oniccontrol units.
Elect ronic contr oluni tscont ain da ta memor ies
whic hcan temp orarily orper manent lystor e
te ch nica linf orma tionab ou tth eve hicle's operat‐
ing stat e, com ponent loads, maintenance
re qu iremen tsand tech nica leve nts orma lfunc‐
tio ns.
In gener al,th is inf ormatio ndocum entsth est at e
of acom ponent part,amodul e,asy stem orthe
sur round ingssuc has:
R Operatin gst atus ofsystem com ponen ts(e.g.
fi ll le ve ls, batt eryst atus ,tir epr essur e)
R Status messagescon cerningth eve hicle or
its individua lcom ponent s(e.g. number of
wheel revo lution s/speed, longitudin alacc el‐
er ation ,lat eral acc eler ation ,displa yof fas‐
te ned seatbe lts)
R Malfunctio nsorfaults inim por tant system
com ponen ts(e.g. lights, brak es)
R Information oneve nts lead ing tovehicle
damag e R
System react ionsin spec ialdrivin gsit uatio ns
(e. g.airbag deployment,int erve ntio nof sta‐
bilit ycon trol systems)
R Ambien tcon ditions (e.g.temp eratur e,rain
sen sor)
In addition toprov iding theactual control unit
func tion,th is dat aassis tsthemanuf acturerin
de tecting andrectify ingmal functi onsand opti‐
mizi ngvehicle functions. Themajority ofthis
dat ais temp orar yand isonl ypr ocessed inthe
ve hicle itself. Onlya small portion ofthedat ais
st or ed intheeve ntor fault mem ory.
When your vehicle isser viced, tech nica lda ta
fr om theve hicle canberead out byser vice net‐
wo rkem ployees (e.g. workshops, manufactur‐
er s) or third par ties (e.g. breakdo wnservice s).
Ser vice sinc lude repair services, maintenanc e
pr ocesses ,wa rrant yclaim sand qualit yassur ‐
anc emeas ures, forex am ple. Theread out isper‐
fo rm ed via theleg ally prescr ibed portfo rth e
diagnos ticsconnection intheve hicle. The
re spectiv eser vice networklocations orthird
par ties collec t,pr oces sand usethedat a.The y
documen tte ch nica lst atus esoftheve hicle, Gener
alno tes 29

Online
functions canbeused viathewir eless
ne tworkcon nect ion.This includes onlineserv‐
ices andapplications/ appsprov ided bytheman‐
uf actur eror other prov ider s.
Manu factu rer's services
Re garding onlin eser vice sof themanuf acturer,
th eindividual functionsar edescr ibedbythe
manuf acturerinasui table place (e.g.Operator's
Manual, websit eof themanuf acturer)along with
th ere leva nt data protect ion information .Pe r‐
sonal datama ybe used forth epr ov ision of
onlin eser vice s.Dat ais exch ang edvia asec ure
con nection,e.g .th emanuf acturer'sdesignat ed
IT systems. Personal datais collect ed,pro‐
cessed andused viathepr ov ision ofser vice s
exc lusiv elyon thebasis ofleg alper missions or
wit hpr ior con sent .
The services andfunc tions(some times subject
to afe e) can usually beactiv ated ordeactiv ated.
In some cases, this also applies totheent ire
ve hicle's dataconn ection. Thisexcludes, inpar‐
tic ular ,leg allypr escr ibed functionsand service s. Th
ird pa rty ser vice s
If it is possibl eto use onlineser vices from other
pr ov ider s,these services areth ere sponsibili ty
of thepr ov ider inqu estion andsubject tothat
pr ov ider's datapr otect ion conditions andterm s
of use. Themanuf acturerhas noinfluence on
th econ tent exc hang ed.
Fo rth is reason ,please asktheser vice prov ider
fo rinf ormation aboutthetype, extent and pur‐
po se ofthecollect ionand useofper sonal data
when services arepr ov ided bythird par ties . Mult
imed iasystem/M ercedes meconnect If
th eve hicle iseq uipped withth emultimedia
sy stem orMer cedes meconnect ,additional data
about theve hicle's operation, theuse ofthe
ve hicle incer tain situat ions,and thelocation of
th eve hicle maybe com piled bythemultimedia
sy stem orMer cedes meconnect .
Fo radd itional information pleasereferto the
ch ap ter"Mu ltimed iasystem" and/or the
Mer cedes meconn ectTerm sand Conditions. Ev
ent data recor der s US
Aonl y:
This vehicle iseq uipped withan event data
re cor der (EDR ).The mainpu rpose ofan EDRis
to recor d,incer tain crash ornear crash-lik esit‐
uation s,suc has an airbag deployment orhitt ing
a ro ad obs tacle ,da ta that will assis tin unde r‐
st andi nghowave hicle's systems perform ed.
The EDRis designed torecor dda ta relat ed to
ve hicle dynamics andsafetysy stems fora shor t
per iod oftime, typica lly 30 seconds orless.
The EDR inthis vehicle isdesigned torecor d
su ch dat aas:
R Howvarious systems inyour vehicle were
oper ating
R Whe ther or notth edr iver and front
passeng erseat belts werebuc kled/f astened
R Howfar(if at all)th edr iver wa sdepr essing
th eaccelera torand/or brak epeda land
R Howfast theve hicle wastrave ling
This datacan help prov ide abe tter under stand‐
ing ofthecir cums tances inwh ich acci dents and
inju ries occur .NO TE: EDRdat ais recor ded by Gene
ralno tes 31

#
Mak esur eth at mar kedspace 2isem pty. #
Remo veSmar tKey 1 from theke yring. #
Place Sma rtKe y1 inmar kedspace 2.
The vehicle willstar taf te ra shor ttime.
If yo ure mo veSmar tKey 1 from mar ked
space 2theengine continues running .Fo r
fur ther vehicle star ts howe ver,Smar tKey 1
mus tbe locat edinmar kedspace 2during
th eent ire jour ney. #
Have Smar tKey 1 checkedat aqu alif ied
spec ialistwo rkshop. If
th eve hicl edoes notst ar t: #
Place SmartKey 1 inmar kedspace 2and
lea veitth er e. #
Depr essthebr ak epedal andstar tth eve hi‐
cle using thest ar t/ stop butt on.
% Youcan also switchon thepo we rsupp lyor
th eignition withth est ar t/ stop butt on. St
arting theve hicl evia Remo teOnline serv‐
ices Cooling
orheating theve hicl eint erior before
co mmenci ngyour jour ney
% This function isno tav ailable inall coun tries.
If yo ustar tth eve hicle viayour smar tphon e,the
pr ev iousl yselec tedair con dition ingadjus tment
is activ e.
En sur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked. R
The fuel tank issu fficien tly filled.
R The star terbatt eryis suf ficie ntly charge d.
% Youcan also setth ete mp eratur ewit hyo ur
smar tphon e.Info rm atio non Mer cedesme
con nectand other services: https://
www .mercedes.me
This funct ionisno tav ailable forall model s.
Char ging thebat tery bef orecommencing
yo ur jour ney
% This function isno tav ailable inall coun tries.
If th eve hicle batteryis disc harged, youre cei vea
messa geon your smar tphon e.Youcan then
st ar tth eve hicle withth esmar tphon eto charge
th ebatt ery. The vehicle isaut omaticall y
switc hedoffaf te rte nminu tes.
Ensur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly filled. Dr
ivin gand parking14
5