2021 MERCEDES-BENZ GLS SUV Owner's Manual

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00E5 ESP ®
wa rning lam pflashes The
yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
*O neormor ewh eelsha sre ac hed itsgrip limit (/page203). #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s.
00E5 ES P®
wa rning lam plight s
up The
yello wES P®
wa rning lam pis lit while theengine isrunning .
* ESP ®
is mal func tioning .
Ot her drivi ng systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GRisk ofskid ding ifESP ®
is mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ryout vehicle stabiliz ation.Inaddit ion,ot her driving safetysy stems
ar eswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spec ialistwo rkshop. 00BB
ESP ®
OFF warning lam p The
yello wES P®
OFF warning lam pis lit while theengine isrunning .
* ESP ®
is de acti vated.
Ot her driving systems anddriving safetysy stems mayalso beinoper ative. Displa
ymessag esand warning/ indic ator lam ps 47
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions &
WARNIN GRisk ofskid ding whe ndr ivi ng with ESP ®
de acti vated
ESP ®
do es notact tostabiliz eth eve hicle. Theavailabilit yof fur ther driving safetysy stems isalso limited. #
Drive on car efull y. #
Dea ctivateESP ®
only foras long asthesituation requ ires.
If ES P®
can notbe act ivat ed, ESP®
is malfun ctionin g. #
Have ESP ®
ch eckedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Obser vetheno teson deactiv atingESP®
(/ page203). Ti
re pres sur emoni tor Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p
fl ashes The
yello wtirepr essur emon itor wa rning lam p(pr essur eloss/ malfun ction) flashes forapp roxima tely one minu te and
th en remains lit.
*The tirepr essu remonit orismalfu nctioning. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
The tirepr essur emonit oring system cann otissue awa rning ifth er eis pressur eloss inone ormor eof thetir es. 47
2
Display messa gesand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ti re swit hinsuf ficie nttirepr ess urema yim pa irth edr iving charact eristic sas wellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. 0077
Ti re pressur emonit oring
sy stem warning lam plight s
up The
yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) islit.
*The tirepr essur emon itor ing system has detected tirepr ess urelos sin at leas tone ofthetir es. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires canwearexc essiv elyand/or unevenly .
R The drivi ng charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur eand thetir es. Displa
ymessag esand warning/ indic ator lam ps 47
3

1,
2, 3...
4MA TIC..................................................... 191
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>191
12 Vbatt ery
see Battery(v ehi cle)
12 Vso cket
see Socket(1 2 V)
48 Von -bo ardelec tric al system
Operating safety .................................... 25
11 5V soc ket
see Socket(1 15 V)
360° Camer a.... ........ ............................... 252
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 252
Ope ning thecamer aco ver(r ear view
camer a)..... ............... ...... .....................255
Selecting avie w ..... ..... ...... .................. 255 A
A/C functio n
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) .............................. ..... 160
Swi tching on/of f(contr olpa nel )......... 160
ABS (Anti-lockBr ak ing System) .............2 03 Ac
celer ation
see Kickdo wn
Ac ciden tand break down manag e‐
men t
Mer cedesme connect.................... .....3 03
Ac ous ticlocking verificat ion signa l
Ac tivati ng/d eactiv ating ........... ..............68
Ac tiv eBli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 264
Ac tivati ng/d eactiv ating ........... ............267
Br ak eap plica tion <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> .............266
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>264
Sy stem limit ations ........................... ....2 64
Tr ailer operation .............................. .... 266
Ac tiv eBr ak eAs sist
Fu nctio n/no tes ................................... 207
Se ttin g............................................. ....2 11
Ac tiv eDi stance AssistDI ST RO NIC ......... 216
Ac tiveEmerg encyStop Assis t.............2 26
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 224
Ca lling upaspe ed <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 218
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>216
Incr easi ng/decr easingspeed ......... .....2 18
Re quiremen ts................................ ...... 218
Ro ute-based speedadap tatio n........... .221 St
eer ing wheel buttons ........................ 218
St or ing aspeed .................................... 218
Swi tching off/de activating ........... .......218
Swi tching on/a ctivating <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 218
Sy stem limit ations ...............................2 16
Ac tiv eEme rgency Stop Assis t...............2 26
Ac tiv eLan eCha ngeAs sist <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 224
Ac tivati ng/d eactiv ating ........... ............226
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>224
Ac tiv eLan eKe eping Assist.................... 267
Ac tivati ng/d eactiv ating ........... ............269
Ac tivati ng/d eactiv ating thewa rning ...2 69
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>267
Se tting thesensit ivity.......................... 269
Sy stem limits ....................................... 267
Tr ailer operation .................................. 267
Ac tiv ePa rking Assis t.............................. 255
Cr oss Traf fic Aler t<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ...260
Dr ive Aw ayAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 260
Exiti ngapa rking space .......................2 58
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>255
Ma neu vering assist anc e...................... 261
Pa rking ................................................ 257
Sy stem limit ations ...............................2 55 47
4
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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

Pr
otect ion ..............................................4 3
Sid eairba g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 42
Wi ndo wcur tain airbag ...........................4 2
Air flow
Se tting ................ ............................ .....1 59
AI RMA TIC..................... ............................ 229
Se tting ................................................. 231
Suspe nsion .......................................... 229
Alar m
see Panic alar m
Al ar m system
see ATA(anti-t heftal ar m system)
All-wheel drive
see 4MA TIC
Ambient lighting
Se tting (multimedia system) ................1 49
Andr oidAuto
see Smar tphone integr ation ®
Animals Pets intheve hicle ................................. 66
Anti-loc kbr aking system
see ABS(An ti-loc kBraking System) Anti-skid
chains
see Snowch ains
Anti -thef tpr otection
Imm obiliz er............................................ 90
Anticip ator yoccupa ntprotection
see PRE- SAFE®
(anticip ator yoccu‐
pa nt protect ion)
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
Apple CarPla y
see Smar tphon eint egr ation ®
Assis tance systems
see Drivin gsaf etysy stem
ASS YSTPL US <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>321
Batt erydi sconne ctionpe riods .............3 22
Displ aying theser vice duedate........... 321
Fu nctio n/no tes ................................... 321
Re gular maint enance work <0011001100110011001100110011001100110011001100110011001100110011
00110011> 321
Spec ialser vice requ iremen ts.............. 321
ATA (anti-thef tala rm system) .................. 90
Ac tivati ng/d eactiv ating theint erior
mo tion sensor ....................................... 92 Ar
ming/ disarming theto w- aw ay
alar m.....................................................9 2
Dea ctivating thealar m........................... 91
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 90
Fu nctio nof theint erior motion sensor ..92
The tow- aw ay alar mfun ction .................9 1
AT TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 261, 26 2
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>261
Se tting <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 262
Sy stem limit ations ...............................2 61
At tention assistant
see ATTENTION ASSIST
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic carwa sh mode
Ac tivati ng ........... ................................. 330
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ..............144
Au tomatic engine star t(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> ........179 47
6
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Au
tomatic engine sto p(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> .......179
Au tomatic fron tpass engerfr on tair‐
bag shutoff <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 45,47
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff......... ..... 45
PA SSENGER AIRBAGind icat orlam p.....4 7
Au tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic measures afte ran acciden t... 51
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating ........... ............157
Au tomatic seat adjus tment
Se tting ........... ................................. .....107
Au tomatic trans mis sion
DIR ECT SELEC Tleve r...... .................. ...185
Dr ive pr ogr am disp lay ............ ..............184
Dr ive pr ogr ams............ ........................ 182
DY NA MIC SELE CTswitc h.................... 182
Eng aging drive po sitio n............ ............ 187
Eng aging neu tral ............ ...................... 186
Eng aging park position ........................ 186 Eng
aging reve rsege ar .................... .....1 86
Kic kdo wn ....... ......................................188
Manual gearshif ting.............................1 87
St eer ing wheel paddle shifters ............ 187
Tr ans miss ionposit iondispla y........ ...... 185
Tr ans miss ionposit ions........................ 185
Axle load
To wing atrailer .............................. ...... 406 B
Ba ck seat
see Thirdrow ofseats
Bag hook ................................................... 131
Baidu CarLife
see Smar tphoneintegr ation®
Ball neck
Ins talling .............................................. 271
BA S(Br akeAssis tSy stem) .....................2 03
Batt ery
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 69
Batt ery
see Battery(v ehi cle) Batt
ery(v ehi cle) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 348
Ch argi ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 347
Ch argi ng(Remo teOnline) .................... 170
No tes .................................................. 343
No tes(s ta rting assis tance and
ch argin g) .............................................3 45
Re placing ............................................ 348
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......347
Bel t
see Seatbe lt
Bli nd
see Roller sunblin d
Blind SpotAssis t.....................................2 64
Ac tivati ng/d eactiv ating ........... ............267
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 264
Sy stem limit ations ...............................2 64
Blo wer
see Clima tecontr ol
Br ak eAs sis tSy stem
see BAS(Br akeAssi stSystem)
Br ak efluid
No tes .................................................. 398 Inde
x47
7

Br
ak efo rc edis tribut ion
EB D(elec tronic brak efo rc edis tribu‐
tion )..................................................... 207
Br ak es
ABS (Anti-loc kBr aking System) ........... 203
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 207
BA S(Br akeAssi stSystem) .................. 203
Dr iving tips.......................................... 173
EBD (electr oni cbr ak efo rc edis tribu‐
tion )........................ ............................. 207
HOLD function .....................................2 28
Limi tedbr aking effect (sa lt-tr eated
ro ads) .................................................. 173
Ne w/r epla ced brak epad s/brake
discs ........................ ............................ 171
No teson breaking-in ane wvehicle ..... 171
Po st-col lisi on brak e <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> .....51
Br akin gass ista nc e
see BAS(Br akeAssi stSystem)
Br eakdo wn
Changing awheel ................................ 379
Ov ervie wof thehelp functions...... ........ 18
Ro adside Assis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....24
To w- star tin g.................................... .... 353
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 350Tr
ans portingth eve hicle ......................3 51
Br eak down
see Flattir e
Butt ons
St eer ing wheel .....................................2 76 C
Calls Mer cedesme ...................................... 304
Cam era .....................................................2 39
Camer a
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)....................................... 328
Car -to-X -Commu nication
Displa yinghazar dwa rnings ............ .....2 98
Car e....... ...................................................334
Air -water duct ......................................328 Au
tomatic carwash ............................. 328
Car pet.................................................3 34
Decor ativefo il .....................................3 32
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 334
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 332
Hea dline r<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 334
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 331
Pl as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 334
Po we rwa sher ...................................... 330
Re alwo od/tr imelements ...................3 34
Re ar vie wcam era ................................ 332
Ru nning boards <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...........332
Sea tbe lts <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>334
Sea tco ver..... ...................................... 334
Sensor s..... .......................................... 332
Sur round viewcam era ........................ 332
Ta ilpipes .............................................. 332
Tr ailer hitch <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 332
Wa shing byhand ................................. 331
Wheels/r ims....................................... 332
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 332
Wi per blades .......................................3 32
Car gocomp artment cover
Ext end ing/retra cting <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 128
No tes ................................................... 128 47
8
Inde x