2020 MERCEDES-BENZ GLS coolant

Engine
Displa
ymes 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 (/page48 1). #
Have theengine cooling system checkedat aqu alif ied spec ialistwo rkshop.
ÿ
Coola ntToo HotStop 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. 582
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
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 3secon ds
or press 3times. *Y
ouhave pressed thest ar t/ stop butt onwhile driving. #
Information aboutswitchingoffth eengine whiledriving (/page18 2).
00B6
Fu elLe velLo w *T
hefuel suppl yhas dropped intoth ere ser verang e. #
Refuel .
00B6
Ga sCa pLoose *T
hefuel filler cap isno tclos edcor rectly orthefuel system isleaking. #
Close thefuel filler cap. #
Ifth efuel filler cap wasalr eady proper lyclosed :con sult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 583

0049
US
A:electr icpar king brak eappli ed
(r ed) (/ page628)
0024 Canada
:electr icpar king brak e
appli ed(red) (/ page628)
0025 ABS
malfunction (/page63 1)
00E5 ESP®
(/ page63 1)
00BB ESP®
OFF (/page63 1)
L Distance warning (/ page630)
Ù Electric po we rst eer ing malfunct ion
(/ page62 4)
ä AIRMATIC/E-ACTIV EBO DY CON‐
TR OL malfu nction (/page630)
002E Of
f-road gear (/ page20 4)
Ì On-road posit ion(/ page20 4)
00B9 Chec
kEn gin e(/ page62 5)
003D Ele
ctrical mal functi on(/ page 625)
00B6 Fu
elreser vewit hfuel filler cap loca‐
tion indic ator (/ page625)
ÿ Coolanttooho tor cold
(/ page625)
0077 Ti
re pressur emonit or(/ page634) 622
Displa ymessag esand warning/ indic ator lam ps

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: Displa
ymessag esand warning/ indic ator lam ps 625

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(/ page48 1). #
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. 626
Displa ymessag esand warning/ indic ator lam ps

Re
frig er ant filling capac ity.............. .....5 61
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 175
Re sidua lheat ....................................... 175
Se tting (multimed iasystem) ................1 73
Se tting theair distribution ...................1 71
Se tting theair flow <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 171
Se tting thefragr ance system ............... 176
Se tting thete mp eratur e....................... 171
Swi tching on/of f(r ea rpa sse nger
com partment) ...................................... 173
Swi tching there ar wind owdefr oster
on/of f.................................................. 171
Ve ntil ating theve hicle (convenie nce
op eni ng) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 87
Wi ndsh ield hea ter ...... ..........................177
Coat hook .................................................1 40
Co ckpit <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>6
Ov ervie w <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> ..............6
Co ffee cup symbol
see ATTENTION ASSIST
Collapsible sparewheel .......................... 546
Inf lating ............. .................................. 548
No tes ................................................... 546 Re
mo ving ........................................ ..... 547
Comb inationswitc h................................ 156
Com pass ...................................................4 15
Com puter
see On-boar dcom puter
Conne ctionstatus
Displ aying ...................................... ...... 450
Ov ervie w ........................................ .....4 50
Co ntacts ...................................................429
Ca lling up ....... ................................... ..429
Dele ting .......................................... ..... 431
Dele tingfavo rite s ................................ 432
Do wnloadi ng(from mobile phone) ...... 429
Im por ting ....................................... ..... 430
Im por ting (ove rview) ...................... .....4 30
Inf ormatio n....... ................................... 429
Maki ngacall ....................................... 430
Na me form at .......................................4 30
Op tions .......................................... ...... 431
Sa ving asafa vo rite <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 431
Sel ecti ngoptions forsugg estions ........ 431
St or ing ............................................. ... 430
Con venience closing featur e....... ............. 87 Con
venience opening ................................ 87
Coolant (engine)
Capacit y.............................................. 559
Chec kleve l.......................................... 481
No tes .................................................. 558
Cool ing
see Clima tecontr ol
Co pyrights
Licen se.................................................. 34
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 34
Co rnering light function .........................1 58
Co ver
see Side windo ws
Cr oss Traf fic Aler t...................................2 86
Cr oss wind Ass ist
Fu nctio n/no tes ................................... 224
Cr uise contr ol.......................................... 231
Butt ons ................................................ 232
Cal ling upaspeed ...............................2 32
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 231
Re quiremen ts:.....................................2 32
Selecti ng....... ......................................232
Se tting aspee d....... ............................ 232 Inde
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Sel
ecting prev ious destination s...........3 85
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 7
Digita lOp erator' sMa nua l........................ 20
Digita lsp eed ome ter ............ ...................308
Di ng hy towing
see Tow- bar system
DIRECT SELECT leve r............ ...................199
Eng aging drive po sitio n............ ............ 201
Eng aging neu tral ............ ..................... 200
Eng aging park position ........................ 200
En gaging parkposition automaticall y
... ..................... ................................. ....2 00
Eng aging reve rsege ar .........................2 00
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>199
Disp lay(Car e).......................................... 492
Disp lay(m ult imedi asy stem) .................3 38
Home screen .......................................336
Oper ating .............. ..............................338
Se tting acoustic oper atingfe edbac k... 339
Se ttings ............................................... 369 Displa
y(on-boar dcom puter)
Displa yson themultifunc tiondispla y.. 306
Displa ycont ent
Displa ying....................................... ..... 305
Displa ymessag e...................................... 567
Calling up(on- boar dcom puter) ........... 567
No tes ................................................... 567
Displa ymessag es
00B2 ---mp h.....................................6 05
ç ---mp h.....................................6 03
003D 12VBatt erySee Oper ator's
Manual .................................................6 11
00D7 48VBatt erySee Oper ator's
Manu al....... .......................................... 613
0049 ActiveHea dlamps Inoperati ve .... 574
é ATTENTION ASSISTInoper ative
... ..........................................................5 93
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>.........593
0049 Automatic HeadlampMode
Inoper ative..... ...................................... 574 0027
CheckBr ak eFluid Level.............5 91
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l..... ................................... 592
00BD CheckCool antLevelSee Oper‐
at or's Manual ...................................... 582
00B3 CheckEn gine OilLevel(A dd 1
qu art) ...................................................6 19
0049 CheckLef tLo wBeam (exa m‐
ple) ...................................................... 573
0077 CheckTire s ................................. 615
00B2 CheckWa sher Fluid .................... 581
00C4 Compressor IsCooli ng............... 596
ÿ CoolantTooHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 582
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .......602
ç Current lyUn available Radar
Sen sorsDir ty .......................................6 01
0025 Currentl yUna vailable See
Opera tor's Manua l..... ..........................6 06 Inde
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Ve
hicl emaint enance
see ASSYSTPL US
Ve hicl eoper ation
Outsi detheUS Aor Canada ...................2 4
Ve hicl eto ol kit ........................................ 495
TIRE FITkit ...........................................4 95
To wing eye ............... ........................ ... 509
Ve ntilat ing
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...87
Ve ntilat ion
see Climat econt rol
Ve nts
see Airvents
VIN <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...........552
Ide ntif icationplat e <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....552
Sea t<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ....552
Wi ndsh ield <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>552
Vi sion
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 175
Wi ndsh ield hea ter ...... ..........................177 Vo
ice amplif ication tothere ar
passe nger comp artment
Ac tivati ng/d eactiv ating ........... ............371
Vo ice Contr olSy stem .............................. 317
Au dible helpfunctions.........................3 19
Im prov ing speec hqu alit y................ .... 320
Lan guag ese tting .................................3 18
Media playervo ice com mand s........ .... 327
Messag evo ice com mand s.................. 329
Multif unction steer ing wheel (operat‐
ing) ...................................................... 317
Na vig ation voice com mand s................ 322
No teson thevo ice com mand s........ .... 320
Onlin evo ice con trol ............................ 320
Opera blefunc tions........................ ...... 318
Oper ating safety .................................. 316
Se tting (multimed iasystem) ................3 18
Swi tchvo ice com mand s................ ...... 320
Te lephon evo ice con trols .....................3 25
Te xt mes sage voice com mand s...... .....3 29
Ve hicle voice com mand s................ .....3 30
Vo ice prom pting .............................. .....3 17
Vo ice contr olsystem
see Voice Cont rolSy stem W
Wa rning lam ps
see Warning/ indic ator lam ps
Wa rning system
see ATA(anti-t heftal ar m system)
Wa rning/indicat orlam p
0025 ABSwa rning lam p...................... 631
0027 Brakewa rning lam p(US A).......... 629
004D Brakeswarning lam p(Canada) ...6 29
ÿ Coolant wa rning lam p................ 625
003D Electrical malfun ction warning
lam p.................................................... 626
00B9 Engine diagno siswarning lam p.. 626
00BB ESP®
OFF warning lam p.............6 33
00E5 ESP®
wa rning lam pflashes ........ 632
00E5 ESP®
wa rning lam plight sup ...... 632
00B6 Fuelreser vewarning lam p.........6 27
0024 Redindicat orlam p,elect ric
par kingbr ak eapplied (Canada only)...6 28 67
6
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