2020 MERCEDES-BENZ GLS COUPE coolant

Coolant
capacit y
Cap acity Mod
el Capacity
All mode ls 13.7 US qt
(1 3.0 lite rs) No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page43 0). &
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highly
fl ammab le.Itcoul dign ite if it com esinto
con tact with hotengine component partsor
th eex haus tsy stem. #
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. *
NO
TEDama getotheex terior lighting
due touns uitable windshieldwa sher fluid Uns
uitable windshieldwa sher fluid maydam‐
ag eth eplas ticsur face oftheex terior light‐
ing. #
Onlyuse windshield washer fluid whic h
is also suitable foruse onplastic sur fa‐
ces, e.g.MBSumm erFitor MB Winter‐
Fit. *
NO
TEBlocked spr aynozzl escau sed by
mixing windshieldwa sher fluids #
Donotmix MBSum merFitand MBWin‐
te rFit withot her windshield washer flu‐
ids. Do
notuse distilled orde- ionizedwa teras thefill
le ve lsen sor maybe trigg ered erro neou sly.
Re comme ndedwindsh ield wa sher fluid:
R Abo vefreezing point:e.g. MBSummerFi t
R Belo wfreezing point:e.g. MBWinterFi t Fo
rth ecor rect mixi ngratio ,re ferto theinf orma‐
tion ontheantif reeze container .
Mix thewa sher fluid withth ewindshield washer
fl uid allyear round . Re
frig er ant No
teson refrig er ant
Obser vetheno teson oper ating fluids
(/ page43 0).
* NO
TEDama gedue toinc orrect refrig er‐
ant If
anon-appr ovedre frig er ant isuse d,thecli‐
mat econ trol system maybe damag ed. #
Onlyuse there frig er ant R‑134a *
NO
TEDama getotheclimat econ trol
sy stem due toinc orrect refrig er ant com‐
pr essor oil #
Onlyuse refrig er ant com pressor oilthat
has been approvedby Mer cedes-Ben z. Te
ch nica lda ta 435

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B2 Check Washer Fluid *T
hewasher fluid leve lin thewa sher fluid reser voirhas dropped belowtheminimum. #
Refill wa sher fluid (/ page36 3). Engine
Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00BD Check Coolant LevelSee
Operator' sManual *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page362 ). #
Have thecooling system checkedat aqu alif ied spec ialistwo rkshop. 452
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant TooHotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine 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 tim pair 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
hefanmo toris faulty . #
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.
To switch engineoff, press
and hold Start/ Stop but-
ton foratleast 3secs. or
press 3times. *Y
ouhave pressed thest ar t/ stop butt onwhile driving. #
Information aboutswitchingoffth eengine whiledriving (/page14 4). Displ
aymessa gesand warning/ indic ator lam ps 453

Pr
og ressiv ese tting Ve
hicl eswith aWi des cree nCo ckpit: ifyo u
select thepr ogr essiv edispla yse tting, theposi‐
tion sof theindicat orlam pson theIns trument
Displa ywill chang e.
Indi catorand warning lam ps:
0058 Lo
wbeam (/page12 3)
0060 Pa
rking lam ps(/ page12 3)
0057 Hi
gh beam (/ page12 4)
003E003D Tu
rn signal lights(/pag e12 4)
005E Re
ar foglight (/page12 3)
0075 Re
stra int system(/ page490) 00E9
Seat
beltnotfa stened (/page490)
0027 US
A:brak es (red) (/ page495)
004D Canada:
brak es (red) (/ page495)
0024 Elect
ric pa rking brak e(yello w)
(/ page495)
0049 US
A:elect ric pa rking brak eapplied
(r ed) (/ page495)
0024 Canada:
electric pa rking brak e
applied (red) (/ page495)
0025 AB
Smalfun ction (/ page498)
00E5 ESP®
(/ page498)
00BB ESP®
OFF (/page498)
L Distance warning (/ page49 7)
Ù Electric po we rst eer ing malfunct ion
(/ page49 1)
ä AIRBODY CONTR OLmalfu nction
(/ page49 7)
ä DYNA MIC BODY CONTR OLmalfu nc‐
tion (/page49 7)
00B9 Chec
kEngine (/page492)
003D Electr
icalmalfu nction (/page492) 00B6
Fu
elreser vewit hfuel filler cap loca‐
tion indic ator (/ page492 )
ÿ Coolanttooho tor
cold (/page492)
0077 Ti
re pressur emonit or(/ page50 1) Displa
ymessag esand warning/ indic ator lam ps 489

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p The
redcoolant warning lam pis lit while theengine isrunning .
*P oss ible cau ses:
R The temp eratur esensor ismalfunct ioning
R Coolant leve lto olow
R The airsuppl yto thera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceed edthemaximum permissible temp eratur e. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. Donotcon tinue
dr iving under anycir cums tances. #
Notethemessag eson themultifunc tiondispla y.
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: 492
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
or #
Exit theve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. #
Chec kth ecoolant leve l(/ page362) . #
Mak esur eth at theair supply tothera diat orisno tim pair ed. #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at the
cool anttemp eratur edispla yre mains belowthere dar ea.
00B9 En gine diagnosis warning
lam p The
yello wChec kEn gine warning lam pis lit while theengine isrunning .
*A malfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceed edand theengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p The
redelect rical mal functi onwarning lam pis lit.
*T her eis amalfunction intheelectr ics. #
Obser vethemessag eson themultifunc tiondispla y. Dis
play messa gesand warning/ indic ator lam ps 493

Con
trol pan elfor3-zone automatic
clima tecontr ol<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> .......136
Con trol pan elfordua l-zone auto‐
matic climatecontr ol<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 136
Defr osting thewindshield .................... 136
Fil ling cap acityforPA Goil ...................4 36
Fr ont airvents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............141
Inser ting/r emoving theflacon (fra‐
gr anc esy stem) .................................... 140
Ionization ............................................. 139
No te <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 136
Re ar air vents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............142
Re ar oper atingunit ........................ ...... 136
Re frig er ant .................. ........................ 435
Re frig er ant filling capac ity.............. .....4 36
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 139
Re sidua lheat ......... .............................. 139
Se tting rear clim atecon trol (mult i‐
medi asy stem) .....................................1 38
Se tting theair distribution ...................1 36
Se tting theair flow <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 136
Se tting theclimat est yle ......................1 38
Se tting thefragr ance system ............... 139
Se tting thete mp eratur e......................1 36 Switc
hingthere ar wind owdefr oster
on/of f............................................. ....1 36
Ve ntil ating theve hicle (convenie nce
op eni ng) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>82
Wi ndsh ield hea ter ..... ........................... 141
Clim atest yle
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>138
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 138
Coc kpit .........................................................6
Ov ervie w .......................................... .......6
Cof feecup symbol
see ATTENTION ASSIST
COMAND see Multimedia system
COMAND Touc h
Mana gingdevices .............................. ..273
Comb inationswitc h................................ 124
Com pass .................................................. 306
Com puter
see On-boar dcom puter
Conne ctingthepa rcel ne t.......................1 12 Connect
ionstatus
Displ aying ............................................ 331
Ov ervie w .............................................. 331
Connectivit y
Swit ching transm ission oftheve hicle
position on/off.................................... 270
Contact s...................................................3 14
Callin gup .............................................3 15
Del eting ...............................................3 16
Do wnl oading (from mob ile ph one )....... 315
Im por ting .............................................3 16
Im por ting (ove rview) ............................ 315
Inf ormation .......................................... 314
Making acall ........................................3 16
Na me form at ........................................ 315
Op tions ................................................ 316
St or ing .................................................3 16
Contr oller
Operating .............................................2 61
Con venience closing featur e....... ............. 82
Co nvenience opening................................ 82
Coolant (engine)
Chec kleve l.......................................... 362
Fillin gcapac ity.................................... 435 51
0
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Des
tinat ion entry<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 283
Ent ering 3wo rdaddr esse s.................. 288
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 283
Ent ering anintermed iate des tination ...2 87
Ent ering geo-coor dinates.................... 288
Select ingacont act........................ ..... 288
Select ingaPOI .................................... 286
Select ingfrom themap ....................... 289
Select ingprev ious destination s...........2 85
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 6
Digita lOp erator' sMa nua l........................ 20
Digita lsp eed ome ter ............ ...................236
Di ng hy towing
see Tow- bar system
DIRECT SELECT leve r............ ...................156
Eng aging drive po sitio n............ ........... 158
Eng aging neu tral ............ ...................... 157
Eng aging park position ........................ 158
Eng aging park position automatic ally .. 158
Eng aging reve rsege ar .........................1 57
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 156 Disp
lay
Car e................................................ .... 370
Disp lay(m ult imedi asy stem)
Se ttings .......................................... .....2 68
Di spla y(on -boar dco mp uter)
Displ ayson themultifunc tiondispla y.. 234
Displa ycont ent
Se tting theadditional value rang e ....... 233
Di spl aymes sage........... ............ ..............439
Ca lling up(on-bo ardcom puter) ..... ......4 39
No tes .................................................. 439
Displa ymessag es
00B2 ---mp h...................................... 471
ç ---mp h...................................... 470
003D 12VBatt erySee Oper ator's
Manual .................................................4 78
00D7 48VBatt erySee Oper ator's
Manu al....... ......................................... 480
0049 ActiveHea dlamps Inoperati ve .... 447
é ATTENTION ASSISTInoper ative
... ... .......................................................4 63 é
ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........463
0049 Automatic HeadlampMode
Inoper ative..... ..................................... 446
0027 CheckBr ak eFluid Level.............. 461
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l...... .................................. 462
00BD CheckCool antLevelSee Oper‐
at or's Manual ...................................... 452
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 486
0049 CheckLef tLo wBeam (exa m‐
ple) ...................................................... 446
0077 CheckTire s ................................ 482
00B2 CheckWa sher Fluid ...................4 52
ÿ Coolant TooHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 453
0025 Current lyUn available See
Operat or'sMan ual...............................4 72 51
2
Inde x