brake MERCEDES-BENZ GLS 2020 Owners Manual

Ov
ervie wof driving systems anddriving
saf etysy stems In
this sect ion, youwill find informa tionab ou t
th efo llo wing drivin gsy stems anddriving safety
sy stems:
R 360° Camer a(/ page27 8)
R ABS (Anti-lo ckBra king System)
(/ page21 9)
R ActiveDis tance AssistDIS TRONI C
(/ page 235)
R AIRMA TIC(/ page250)
R ActiveBr ak eAssi st(/ pag e225)
R ActiveLa ne Keeping Assist(/ page29 4)
R Start-of fassis t
R ATTENTION ASSIST(/ page28 7)
R BAS(B rake Assis tSys tem) (/ page220)
R Hill StartAs sis t(/ page24 8)
R DSR (Dow nhillSpe edRegulatio n)
(/ page 233)
R E-AC TIVE BODY CONTR OL(/ page258) R
EBD (Electr onicBrakeforc eDis tribution)
(/ page225)
R ESP®
(Elect ronic Stability Program)
(/ page22 0)
R Off-ro ad ESP®
(/ page22 3)
R ESP®
Cr oss wind Assis t(/ page22 4)
R ESP®
trailer stabiliz ation(/ page22 4)
R ActiveSpe edLimi tAssi st(/ pag e239)
R HOLD function (/page24 9)
R STEER CONTR OL(/ page 225)
R ActiveSt eer ing Assis twit hre scue lanefunc‐
tion (/page24 2)
R ActiveEmerg encyStop Assis t(/ page24 5)
R ActivePa rking Assist(/ page28 1)
R Parking AssistPA RK TRONI C(/ page26 9)
R Rear vie wcam era(/ page27 4)
R ActiveLa ne Chang eAssi st(/ pag e24 4)
R ActiveTr af fic Ja m Assi st(/ pag e24 6)
R Cruis econtr ol(/ page 231) R
Blind SpotAssis tand ActiveBli nd Spo tAssi st
wit hex itwa rning (/ page29 1)
R Traf fic Sign Assist(/ pag e289 ) Fu
nction ofABS The
Anti-loc kBr ak eSy stem (ABS )re gulat esthe
br ak epr essur ein critical driving situation s:
R Dur ing braking, e.g.atfull brak eapplication
or insuf ficie nttiretracti on, thewheels are
pr eve nted from lock ing.
R Vehicle steer ability whilebraking isensur ed.
If ABS interve nes when braki ng, youwill feel a
pulsing inthebr ak epedal. Thepulsating brak e
pedal canbeanindicat ionofhazar dous road
con dition sand canserveas are minder totak e
ex tra car ewh ile dr ivi ng.
Sy stem limit s
R ABSis act ive from speeds ofappr ox.5 mp h
(8 km/ h).
R ABSma ybe impair edorma yno tfunc tion ifa
malfunc tionhasoccurredand theye l‐
lo w 0025 ABSwa rning lam plight sup con tin‐ Dr
ivin gand parking 21
9

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Repeat thege ar chang e.
LOW RANGENot inDrive
Pro gram "Sport" *Y
ouwill notbe able toselect theLO WRANGE off-r oad gear ifth edr ive pr ogr am C orB isswitc hedon.
The drive pr og ram ther efor eaut omaticall yswitc hestoA . #
Select theLO WRANGE off-r oad gear (/ page20 5).
LOW RANGEMalfun ction
To Park ,App lyBrake *T
hetransf ercase ismalfunctionin g. #
Donotshif tth etra nsf ercase. #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away. #
Con sult aqu alif ied spec ialistwo rkshop.
LOW RANGE Shifting Can-
celed Please Reactivate *T
hetransf ercase didnotper form thege ar chang e. #
Repeat thege ar chang e. #
Ensur eall shif tingcon dition sar eme t(/ page20 5).
LOW RANGEMalfun ction *T
hetransf ercase ismalfunctionin g. #
Donotshif tth etra nsf ercase. #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away. #
Con sult aqu alif ied spec ialistwo rkshop.
LOW RANGE StopApply
Parking Brake *T
hetransf ercase ismalfunctionin g. #
Stop theve hicle inaccor dance withth etra ffic con dition s. 580
Display mess ages and warning/ indic ator lam ps

Tr
ansmis sion Di
spla ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
Apply Brake toShift from
'P' *
Yo uha ve attem pte dto shif tth etra nsmiss ionout ofpar kposition 005Dand intoano ther tra nsmiss ionposition . #
Depr essthebr ak epedal. #
Select transmiss ionposition 005B,005Eorneutr al005C.
To Deselec tP or N,
Depress Brakeand Start
En gine *
Yo uha ve attem pte dto shif tth etra nsmiss ionout ofpar kposition 005Dorneutral 005Cand intoano ther tra nsmiss ion
position . #
Depr essthebr ak epedal. #
Chang eth etra nsmiss ionposition . #
Startth eengine.
Only Shift to'P' when Vehi-
cle isStationary *
Pa rk position 005Dcan beeng aged onlywhen theve hicle isstatio nary. #
Tostop, depr essthebr ak epedal. #
Shif tth etra nsmiss iontopar kposition 005Dwhile theve hicle isstatio nary.
App lyBra ketoShi ftto 'R' *
Youha ve attem pte dto select transmission position005E. #
Depr essthebr ak epedal. #
Select transmiss ionposition 005E.
Driver 'sDoor Open &
Transm issionNotinPRisk
of Vehicle RollingAway *
The driver's door isno tfully closed andtransmiss ionposition 005B,005Eorneutr al005C isselect ed. #
Select parkposition 005Dwhen switchingoffth eve hicle. 58
4
Displa ymessag esand warning/ indic ator lam ps

Br
ak es Di
spl aymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Parking BrakeSeeOpera-
tor's Manual *
The yello w0024 indicator lam pis lit. The elect ric pa rking brak eis malfun ctionin g.
To appl y: #
Swi tchth eignition offand switc hit bac kon. #
Appl yth eelectr icpar king brak emanually (/page21 6).
If it is no tpo ssi ble to appl yth eelectr icpar king brak e: #
Consult aqu alif ied spec ialistwo rkshop. #
Wher enecessar y,also secureth epar kedve hicle agains tro lling away.
* The yello w0024 indicator lam pand there d0049 (USAonl y)or 0024 (Canada only)indicat orlam par elit. The elec‐
tr ic par kingbr ak eis malfunc tioning.
To release: #
Swit chtheignition offand switc hit bac kon. #
Release theelectr icpar king brak emanually (/page21 6).
or #
Release theelectr icpar king brak eaut omaticall y(/ page21 6).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving under anycir cums tances. Consu ltaqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 58
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Please Release Parking
Brake *
The red0049 indicat orlam p(US Aonl y)or 0024 indicat orlam p(Canada only)isflashin g.
The electric par kingbr ak eis applied whileyouar edr ivin g:
R Aco nd ition forau tomatic release oftheelectr icpar king brak ehas notbeen fulfilled (/page21 6).
R Youar eper form ing emer gency braki ng using theelectr icpar king brak e(/ page21 6). #
Che ckthecon ditions forau tomatic release oftheelectr icpar king brak e. #
Release theelectr icpar king brak emanually . 590
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Turn Onthe Ignit ionto
Release theParking Brake *
The red0049 (USAonl y)or 0024 indicat orlam p(Canada only)islit.
Yo uha ve attem pte dto release theelectr icpar king brak ewit hth eignition switchedoff. #
Switc hon theignition .
0027 (US Aonl y)
004D (Canada only)
Check BrakeFluid Level *T
her eis insuf ficie ntbrak efluid inthebr ak efluid reser voir. &
WARNIN GRisk ofan acci dent dueto low brak efluid leve l
If th ebr ak efluid leve lis toolow, thebr aking effect and thebr aking charact eristic sma ybe impair ed. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Donotadd brak efluid. Dis
playmes sagesand warning/ indic ator lam ps 59
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Donotad dbr ak efluid. #
Con sult aqu alif ied spec ialistwo rkshop.
0026 Check BrakePadsSee
Operator's Manual *T
hebrak epads have reac hed thewe arlimit . &
WARNIN GRisk ofacci dent dueto restrict ed braki ng powe r
When thebr ak epads have reac hed their wearlimit ,th ebr aking powe rma ybe restrict ed. #
Drive on car efu lly. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Consult aqu alif ied spec ialistwo rkshop. 592
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Drive on car efull y. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
007A
0025
00E5
Inoperative SeeOperator's
Manua l *
EBD, ABSandESP®
aremalfu nctioning.
Ot her driving systems anddriving safetysy stems mayalso bemalfunct ioning. &
WARNIN GRisk ofskid ding ifEBD, ABSandESP®
are malfuncti oning
If EBD, ABSandESP®
aremal functi oning,th ewheels canlockwhen braking andESP®
cann otcar ryout vehicle
st abiliz ation.
The steer ing capability andbraking charact eristic sar eth us severely im pa ired .Th ebr akin gdis tance inan eme r‐
ge ncy braki ng situa tioncan increase. Inadditio n,other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Consult aqu alif ied spec ialistwo rkshop immediat ely.
Active BrakeAssi stFunc-
tio ns Curre ntly LimitedSee
Ope rator' sMa nua l *
Ve hicl eswith theDr iving Assistance Packag e:Ac tiveBr ak eAssi stwit hcr oss- traf fic functi on,Evasi ve Steer ing
Assis tor PRE‑S AFE®
PL US arete mp orarily una vailable oronl ypar tiall yav ailable.
Ve hicl eswithout theDr iving Assistance Packag e:Ac tiveBr ak eAssi stistemp orarily una vailable oronl ypar tiall y
av ailable. Dis
playmes sagesand warning/ indic ator lam ps 609

Axle
load
To wing atrailer .............................. ...... 566 B
Ba ck seat
see Thirdrow ofseats
Bag hook ............... ................................... 140
Ball neck
Ins talling .............................................. 298
BA S(Br akeAssis tSy stem) .....................2 20
Batt ery
Cha rging (Remo teOnline) .................... 183
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 71
Batt ery
see Battery(v ehi cle)
Batt ery(v ehi cle) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 504
Ch arging <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 503
Ch arging (Remo teOnline) .................... 183
No tes .................................................. 499
No tes(s ta rting assis tance and
ch argin g) .............................................5 01
Re placing ............................................ 504
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....503 Bel
t
see Seatbe lt
Bli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 291
Ac tivati ng/d eactiv ating ........... ............294
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>291
Sy stem limit ations ........................... ....2 91
Blo wer
see Clima tecontr ol
Blue tooth®
<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 372
Ac tivati ng/d eactiv ating ........... ........... .372
Inf ormation ...................................... .... 371
Br ac ke t
MBUX rear table t.................................4 75
Br ak eAs sist System
see BAS(Br akeAssi stSystem)
Br ak efluid
No tes .................................................. 558
Br ak efo rc edis tribut ion
EB D(elec tronic brak efo rc edis tribu‐
tion )..................................................... 225
Br ak es
ABS (Anti-loc kBr aking System) ...... ..... 219
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 225BA
S(Br akeAssi stSystem) .................. 220
Dr iving tips.......................................... 186
EBD (electr oni cbr ak efo rc edis tribu‐
tion )..................................................... 225
HOLD function .....................................2 49
Limi tedbr aking effect (sa lt-tr eated
ro ads) .................................................. 186
Ne w/r epla ced brak epad s/brake
discs .................................................... 184
No teson breaking-in ane wvehicle ..... 184
Br akin gass ista nc e
see BAS(Br akeAssi stSystem)
Br eakdo wn
Changing awheel ................................ 538
Ov ervie wof thehelp functions.............. 18
Ro adside Assis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......24
To w- star tin g.........................................5 10
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 506
Tr ans portingth eve hicle ......................5 08
Br eakdo wn
see Flat tire
Bur mes ter®
sur round soun dsy stem .....4 72
Ad jus ting thebalance/f ader................4 72
Ad jus ting thesound focus <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 473 64
0
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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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