2020 MERCEDES-BENZ GLS Owners Manual

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ä Suspension warning lam p The
redE- AC TIVE BODY CONTR OLwarning lam pis on.
*Ther eis amalfun ction intheE- AC TIVE BODY CONTR OL.
* NO
TEThe vehicle's driving charact eristic sha ve chang edsign ifican tly. #
Pull overand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s.Do not
con tinue drivin gunder anycir cums tances. #
Notethemessag eson themultifunc tiondispla y. #
Pull overand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s.Do notcon ‐
tin ue drivin gunder anycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. Dr
iving safetysy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p The
yello wAB Swa rning lam pis lit while theengine isrunning .
*ABS isma lfunctio ning.
If th er eis an additional warning tone, EBD isma lfunctio ning.
Ot her drivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. Displa
ymessag esand warning/ indic ator lam ps 63
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions &
WARNIN GThe reisarisk ofskidding ifEBD orABS ismalfunctioning
If EBD orABS ismalfunctioning, thewheels mayloc kwhen braking.
The steer ing capability andbraking charact eristic sar eth us severely im pair ed.The brakin 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 . #
Notethemessag eson themultifunc tiondispla y. #
Visit aqu alif ied spec ialistwo rkshop.
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 (/page220). #
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 mayalso bemalfunct ioning. 632
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions &
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. #
Drive on car efully . #
Notethemessag eson themultifunc tiondispla y. #
Con sult 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. &
WARNIN GRisk ofskid ding whe ndr ivi ng with ESP ®
de acti vated
If ESP ®
is deactiv ated, ESP ®
canno tcar ryout vehicle stabiliz ation.The availabilit yof fur ther driving safetysy s‐
te ms isals olimi ted. #
Drive on car efull y. #
Onlydeactiv ateESP ®
foras long asthesituation requ ires. Disp
lay mess ages and warning/ indic ator lam ps 633

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
If ESP ®
cann otbe activ ated, ESP®
is malfunc tioning. #
Have ESP ®
ch eckedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Obser vetheno teson deactiv atingESP®
(/ page220). 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 ing system warning lam p(pr essur eloss/ malfun ction) flashes forapp roxima tely one
minut eand then remains lit.
*The tirepr essu remonit oring system isdef ective. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
If th etir epr essur emonit oring system ismalfunct ioning,itis no table toissue awa rning ifth er eis pressur eloss
in one ormor eof thetir es.
Un der inflated tires ma y,forex am ple, impair thedr iving, steer ing and braking charact eristic s. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. #
Visit aqu alif ied spec ialistwo rkshop. 63
4
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
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
Ti re pressur esthat areto olow pose thefo llo wing hazar ds:
R The tires ma ybur st,especiall yas theload andvehicle speed increase.
R The tires ma ywe arexc essiv elyand/or unevenly, whic hma ygr eatl yim pair tiretract ion.
R The drivin gch aract eristic s,as wellas steer ing and braking, maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ure. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle, paying attention toroad and traffic condi tions. #
Checkth etir epr essur eand thetir es. Displa
ymessag esand warning/ indic ator lam ps 635

1,
2, 3...
4MA TIC..................................................... 206
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 206
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.... ....................................... 278
Car e.................................................... 490
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>278
Opening thecamer aco ver(r ear view
camer a)..... ............... ...... ..................... 281
Selecting avie w ..... ...... ........................ 281 A
A/C functio n
Ac tivati ng/d eactiv ating (mu ltimed ia
sy stem) .......................................... ...... 173
Swi tching on/of f(contr olpa nel ).......... 173 ABS
(Anti-lockBr ak ing System) .............2 19
Ac celer ation
see Kickdo wn
Ac ciden tand break down manag e‐
men t
Mer cedesme connect.................... .....4 44
Ac ous ticlocking verificat ion signa l
Ac tivati ng/d eactiv ating ........... ..............70
Ac tiv atin g/deac tivatin gaut omati c
vo lum eadj ustm ent
Bur mes ter®
sur round soun dsy stem ....4 72
Ac tiv eBli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 291
Ac tivati ng/d eactiv ating ........... ........... .294
Br ak eap plica tion <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> .............292
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>291
Sy stem limit ations ........................... ....2 91
Tr ailer operation .............................. .... 292
Ac tiv eBr ak eAs sist
Fu nctio n/no tes ................................... 225
Se ttin g............................................. ....2 31
Ac tiv eDi stance AssistDI ST RO NIC ........ 235
Ac tiveEmerg encyStop Assis t......... ....2 45
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 244 Callin
gup aspee d...............................2 37
Dis play sin theIns trument Display.......2 47
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>235
Incr easing/d ecreasing spe ed .............. 237
Re quiremen ts...................................... 237
Ro ute-based speedadap tatio n........... .240
St eer ing wheel buttons ........................ 237
St or ing aspeed ................................... 237
Switc hingoff/deact ivating .................. 237
Switc hingon/act ivating ......................2 37
Sy stem limit ations ...............................2 35
Ac tiv eEme rgency Stop Assis t...............2 45
Ac tiv eLan eCha ngeAs sist <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 244
Ac tivati ng/d eactiv ating ........... ............245
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>244
Ac tiv eLan eKe eping Assist.................... 294
Ac tivati ng/d eactiv ating ........... ............296
Ac tivati ng/d eactiv ating thewa rning ...2 96
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>294
Se tting thesensit ivity.......................... 296
Sy stem limits ....................................... 294
Tr ailer operation .................................. 294
Ac tiv ePa rking Assis t.............................. 281
Cr oss Traf fic Aler t<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ...286 636
Index

Dr
ive Aw ayAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 285
Exiting apa rking space .......................2 84
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>281
Ma neu vering assist anc e...................... 287
Pa rking ................................................ 283
Sy stem limit ations ...............................2 81
Ac tiv eSe rvice System PLUS
see ASSYST PLUS
Ac tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 239
Disp lay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 239
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>239
Ac tiv eSte ering Assis t.............................2 42
Ac tivati ng/d eactiv ating ........... ............244
Ac tiveEmerg encyStop Assis t.............2 45
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 244
Dis play sin theIns trument Display.......2 47
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>242
Sy stem limit ations ...............................2 42
Ac tiv eTr af fic Jam Assis t
Ac tivati ng/d eactiv ating ........... ............247
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>246
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C Ad
aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>158
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 159
Ad diti onalcus hion
Leg rest <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 107
Re ar passe nger com partment head
re stra int ...............................................1 14
Ad diti ves.................................................. 556
En gine oil............................................ 556
Fu el ..................................................... 556
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
Ad dres sbo ok
see Contacts
Ad jus tingthe balanc e/fader
Bur mes ter®
sur round soun dsy stem ....4 72
Ad jus tingthe bass,mid- rang eand
tr eble
Bur mes ter®
sur round soun dsy stem ....4 72 Ad
jus tingthe mid- rang e,treble and
bass
Burmes ter®
sur round soun dsy stem ....4 72
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ....4 73
Ad jus tingtreb le,mid- rang eand bass
se ttings
Bur mes ter®
sur round soun dsy stem ....4 72
ADS PLUS damp ing 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 .............................................1 73
Air cond itioning system
see Climat econ trol
Air distribut ion
Se tting .................................................1 71
Se tting (multimed iasystem) ................1 74
Air freshen ersystem
see Perfume atomiz er In
de x 63
7

Air
inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air suspension
see AIRMA TIC
Air vents ............... .................................... 177
Ad jus ting (front) ............ ....................... 177
Ad jus ting (rea r) ............ ........................ 178
Glo vebox.............................................1 79
Air vents
see Airvents
Ai r-re cir cula tion mode............................ 175
Air -water duct .......... ................................ 483
Ke eping free ........................................4 83
Airb ag....... ..................................................42
Ac tivati on ........... ...................................36
Cu shi onb ag........... ................................ 42
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 Pr
otect ion ....................................... .......4 3
Sid eairba g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 42
Wi ndo wcur tain airbag ...........................4 2
Air flow
Se tting ............................................ .....1 71
AIRM ATIC .................................................2 50
Se tting ................................................. 253
Suspe nsion .......................................... 250
Alar m
see Panic alar m
Al ar m system
see ATA(anti-t heftal ar m system)
All-wheel drive
see 4MA TIC
Alt ernativ ero ute
see Route
Amb ientlighting
Se tting (mult imediasystem) ................1 60
Andr oidAuto <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 439
Co nnecting amob ile pho ne<0011001100110011001100110011001100110011001100110011001100110011
0011> 440
Con trol usin gth eapplication buttons
... ... ................................................... ....4 41
Endi ng............. .................................... 441 Inf
ormation ..........................................4 40
Ov ervie w ....... ......................................439
Sound settings .....................................441
Tr ans ferred vehicle data......................4 41
Anim als
Pe ts intheve hicle ................................. 68
Anti-loc kbr aking system
see ABS(An ti-loc kBr akin gSy stem)
Anti-skid chains
see Snowch ains
Anti -thef tala rm system
see ATA(anti-t heftal ar m system)
Anti-t heftpr otection
Imm obiliz er............................................ 97
Ant icip ator yoccup antprotection
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®
........................................4 37
Con necting aniPho ne®
.......................4 38
Contr olusi ng theapplication buttons
... ..........................................................4 39 638
Index