2021 MERCEDES-BENZ GLS SUV engine oil

No
teson brak efluid Obser
vetheno teson oper ating fluids
(/ page39 4). &
WARNIN GRisk ofan acci dent dueto
va por pockets form ing inthebr ak esy s‐
te m
The brak efluid constantly absor bsmoi stur e
fr om theair .This lowe rstheboiling pointof
th ebr ak efluid. Ifth eboiling pointistoolow,
va por pockets ma yfo rm inthebr ak esy stem
when thebr ak es areapplied hard.
This causes thebr aking effect to be
im pair ed. #
Have thebr ak efluid rene we dat the
specif iedinterva ls. Ha
ve thebr ak efluid regular lyreplaced ata
qu alif ied spec ialistwo rkshop.
Onl yuse abr ak efluid appr ovedby Mer cedes-
Benz accor dingtoMB-F reigabe orMB- Appr oval
33 1.0. Co
olan t No
teson coolant
Obser vetheno teson oper ating fluids
(/ page39 4). &
WARNIN G‑Ri sk offire and injuryfrom
ant ifreez e
If ant ifreez ecom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. #
Allo wtheengine tocool down before
ad ding anti freeze . #
Makesur eth at no ant ifreez espills out
ne xt to thefiller open ing. #
Thor oughl yclean offan yant ifreeze
fr om com pone ntpar tsbef orest ar tin g
th eve hicle. *
NO
TEDama gecau sed byinc orrect cool ‐
ant #
Onlyad dcool antthat has been pre‐
mix edwithth ere qu ired ant ifreeze pro‐
te ction.
Inf ormati ononcool antisavailable atthefo l‐
lo wing locations:
R IntheMer cedes- BenzSpecif ication sfo r
Oper ating Fluids 310.1:
- Athttps: //bevo.mer cedes-b enz.com
- IntheMer cedes- BenzBeVoapp
R Ataqu alif ied spec ialistwo rkshop *
NO
TEOverhea ting athigh outsid ete m‐
per atur es If
an inapp ropr iat ecoolant isused, the
engine cooling system isno tsuf ficie ntlypr o‐
te cted agains tov erheating andcorrosion at
high outside temp eratur es. #
Alw aysuse coolant approvedby
Mer cedes-Ben z. 398
Tech nica lda ta

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Dec
rease Speed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires can burst. #
Reduce speed sothat thetir es cool down. Engine
oil Displa
ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilLevel
(Add 1quart) *D
ispla ymess ageonl yfo rcer tainengi nes:
The engineoille ve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. 458
Display mess ages and warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
When next refuel ing, add 1.1 US qt(1l)of engine oil(/ page325) .
No teson engine oil(/ page396).
00B3
Engine OilRedu ceOil Level *D
ispla ymess ageonl yfo rcer tainengi nes:
The engineoille ve lis toohigh.
* NO
TEEngi nedama gecau sed bydriving withexc ess engine oil #
Avoid long journeys wit hex cess engineoil. #
Consul ta qu alif ied spec ialistwo rkshop immediat elyand have theengine oilleve lre duced.
00B3 En gine OilLevel LowStop
Vehicle TurnEngine Off *D
ispla ymess ageonl yfo rcer tainengi nes:
The engineoille ve lis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Swi tchof fth eengine. #
Add1.1 US qt(1l)of engine oil(/ page325) . #
Che cktheengine oilleve l. Disp
lay mess ages and warning/ indic ator lam ps 459

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
No teson engine oil(/ page396).
00B3
Engine OilPressure Stop
Switch OffEngine *D
ispla ymess ageonl yfo rcer tain engin es:
The oilpressur eis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntoil press ure #
Avoid driving withinsuf ficie ntoil press ure. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Consul ta qu alif ied spec ialistwo rkshop.
00B3 Engine OilLevel Cannot Be
Measured *T
heelectr icalconn ection totheoil leve lsen sor has been interru pte dor theoil leve lsen sor isfaulty . #
Con sult aqu alif ied spec ialistwo rkshop. Wa
rning and indicat orlam ps Ov
ervie wof indicat orand warning lam ps Som
esy stems willperform aself -tes twhen the
ignit ionisswitc hedon.Som eindic ator and wa
rning lam psma ybr ief lylight uporflash. This
beha viorisno n-cr itical. Thes eind icat orand
wa rning lam psindic ateamalfun ction onlyif th ey
light uporflash afte rth eengine hasbeen star‐
te dor dur ing ajour ney. 460
Displa ymessag esand warning/ indic ator lam ps

Ac
tiv eSe rvice System PLUS
see ASSYST PLUS
Ac tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 220
Disp lay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 220
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>220
Ac tiv eSte ering Assis t.............................2 22
Ac tivati ng/d eactiv ating ........... ............224
Ac tiveEmerg encyStop Assis t.............2 26
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 224
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>222
Sy stem limits ....................................... 222
Ac tiv eTr af fic Jam Assis t
Ac tivati ng/d eactiv ating ........... ............227
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>227
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>146
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 147
Ad diti onalcus hion
Leg rest <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 100
Re ar passe nger com partment head
re stra int ...............................................1 06 Ad
diti ves.................................................. 396
En gine oil............................................ 396
Fu el ..................................................... 396
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
ADS PLUS dam ping system
see AIRMA TIC
Af ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion ...............................4 4
Air cond itioning menu
Callin gup ........................................ .... 160
Air distribut ion
Se tting ............................................ .....1 59
Se tting (MBUX multimedi asy stem) ...... 161
Air freshen ersystem
see Perfume atomiz er
Air inle t
see Air-water duct Air
pressu re
see Tire pressur e
Air suspension
see AIRMA TIC
Air vents ................................................... 165
Ad jus ting (front) ............ ...................... 165
Ad jus ting (rea r) ............ ........................ 165
Glo vebox.............................................1 67
Air vents
see Airvents
Ai r-condi tioningsystem
see Climat econ trol
Air -recir cula tion mode............................ 162
Air -water duct .......................................... 328
Ke eping free ........................................3 28
Airb ag....... ..................................................42
Ac tivati on ........... ...................................37
Cushio nbag...........................................4 2
Fr ont airbag (driver ,fr ont passeng er)....4 2
Ins tallation locations .............................4 2
Knee airbag........................................... 42
Ov ervie w ..... .......................................... 42
PA SSENGER AIRBAGind icat orlam p.....4 7 Inde
x47
5

00BD
CheckCoolan tLe velSee Oper‐
at or's Manual ...................................... 423
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 458
: CheckLef tLo wBeam (exa m‐
ple) ....................................................... 414
0077 CheckTire s ................................ 456
00B2 CheckWa sher Fluid ...................4 22
00C4 Compressor IsCoo ling ...............437
ÿ Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 423
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ......443
ç Currentl yUna vailable Radar
Sen sorsDir ty ...................................... 442
0025 Currentl yUna vailable See
Opera tor's Manua l...... .........................447
00E5 Currentl yUna vailable See
Opera tor's Manua l...... ........................ 448
Á Don't Forget Your Key.................4 13 00C4
Drive More Slowly ............ .......... 437
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>...460
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................459
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 460
00B3 EngineOil Reduce OilLevel........ 459
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................4 09
00B6 FuelLevelLo w ............................ 424
00B6 GasCap Loose ...........................4 24
0025 Inoper ativeSee Oper ator's
Manua l..... ........................................... 448
00E5 Inoper ativeSee Oper ator's
Manua l..... ........................................... 449
007A Inoper ativeSee Oper ator's
Manua l..... ........................................... 450
0053 Inoper ative..... ............................4 51
î Inoper ative..... ............................4 44 :
Intell. Light System Inoperativ e.. 415
Á KeyNo tDe tected (red displ ay
messa ge).............................................4 13
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)...................................... 412
0075 LeftSide Curtain Air bag Mal‐
func tion Service Required (exa mp le) ...4 09
00C5 Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ............435
ä Malfunctio nDr ive at Ma x.50
mp h............................................. 434, 435
: Malfunction SeeOper ator ’s
Manual .................................................4 14
î Max.Speed 25mph...................4 44
î Notin Cur r.Dr ive Pr og ............. ..444
Á ObtainaNe wKe y.......................4 12
ç Off..............................................4 45
00D9 Off....... .......................................443
0049 Parking Brak eSee Opera tor's
Manua l...... .......................................... 428
0077 PleaseCor rect Tire Pressur e...... 457 482
Index

ECO
display
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>180
ECO star t/s topfunc tion<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 179
Au tomatic engine star t........................ 179
Au tomatic engine stop ..................... ....1 79
Me thod ofoper ation ............................1 79
Switc hingoff/on ............................ ..... 180
Electr icpa rking brak e.............................1 98
Applying automatical ly..... ............... .... 198
App lying orreleasing manuall y............ 199
Emerg encybraki ng ............ ..................199
Re leasing automat ically.................. .....1 99
Ele ctrohydr aulic suspe nsion
see E-AC TIVE BODY CONTR OL
Ele ctronic Stabil ityProg ram
see ESP®
(Electr onicStabilit yPr og ram)
Emer gency
Fir st-ai dkit (softsided) ....................... 337
Ov ervie wof thehelp functions...... ........ 18
Re flect ive saf etyve st <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 336
Re mo ving thewa rning triang le............ 336
Se tting upthewa rning triang le...........3 37
Emer gency braking ................................. 199 Emer
gency braking
see BAS(Br akeAssi stSystem)
Emer gency callsystem
see Mercede s-Benz emer gency callsy stem
Emer gency engine star t....... .................. 353
Emer gency key
Loc king adoor ................................... .... 73
Un loc kin gadoor ...................................7 3
Emer gency oper ation mode
St artin gth eve hicle ........................ ..... 169
Emer gency release
Ta ilg ate .......................................... ........ 80
Emer gency spar ewheel .........................3 85
Inf lating .......................................... ..... 386
No tes .................................................. 385
Emer gency Tensioning Devices
Ac tivati on ........... ...................................37
Engine ECOstar t/ stop funct ion.................. ....1 79
Engine number....... .............................392
St artin g(eme rgency operation
mode) .................................................. 169
St artin g(R emo teOnline) ............... ...... 171 St
artin g(sta rt/s topbutt on) .................1 69
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......347
Swi tching off(s ta rt/s topbutt on) .........1 94
Engine data
Dis playing ............................................ 185
Engine number ........................................ 392
Engine oil.................................................3 25
Ad ditiv es.............................................3 96
Ca paci ty....... ....................................... 397
Che cking theoil leve lusing theon-
boar dcom puter ................................... 324
MB- Freig abe orMB- Appr oval ...............3 97
Qua lity .......... ....................................... 397
To pping up...........................................3 25
Ent ering /exitin gleve l
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 234
EQ boost
Ope rating safety ........... .........................25
ES C(Electr onicStabil ityContr ol)
see ESP®
(Electr onicStabilit yPr og ram)
ESP ®
Cr osswi ndAssis t..... ............................ 206
Tr ailer stabiliz ation.............................. 206 In
de x 48
7

Wi
reless chargin g(rear passe nger
com partment )...................................... 140
Mobi lephone
see Smar tphone integr ation ®
see Telephon e
Model series
see Vehicle identif ication plate
MOExt ended tires ................................... 338
Multifunction camera
RO AD SUR FACE SCAN ........................ 239
Mu ltifu nct ion displa y
Ov ervie wof thedispla ys<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 278
Multifunc tionsteer ing wheel
Ov ervie wof butt ons .............................2 76
Multifunc tionsteer ing wheel
see Steer ing wheel
Mult imedia system
Ac tivati ng/d eactiv ating DSR ........... .....215
Collis iondetection (parked vehicle) ..... 200
Ext ending/r etra cting theru nning
bo ards <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ..75
Multimedia system
see Display(mult imedia system) see
MBUX Interior Assis tant (mu lti‐
med iasystem)
see MBUX multimedia system
see Touc hpad N
Na vig ation
No tes .................................................. 292
Ov ervie w .......................................... ... 294
Sho wing/hiding themenu ...................2 93
Switc hingon....... ................................ 293
Na vig ation
see Destination entry
see Map
see Route
Ne utr al
Inser ting.......................................... .... 186
No tes ........................................................ 172
Op timized acceleration........................ 172
No teson breaking-in ane wve hicl e...... .171 O
Occupant safety
see Airbag see
Automatic front pass engerfront
airb agshut off
see Automatic measu resaf te ran accide nt
see Pets intheve hicle
see Post-col lisi on brak e
see PRE-S AFE ®
(antici patory occu‐
pant protect ion)
see PRE-S AFE®
Im pulse Side
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
see Restra int system
see Seat belt
Of f-road Assis t
Se tting .................................................2 43
Of f-road drivi ng ....... ................................. 176
Of f-road driving
see Off-road driving
Of f-road ESP®
(Electr onicStabil ity
Pr og ram)
Swi tching on/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 205
Oi l
see Engine oil 49
4
Inde x