2020 MERCEDES-BENZ GLS SUV battery

Obser
vethefo llo wing notesif yo uwa ntto
re place thebatt eryyo urself :
R Alw aysre place afa ulty battery wit habatt ery
whic hmee tsthespecif icvehicle requ ire‐
men ts.
The vehicle iseq uipped withan AGMtech nol ‐
ogy batter y(A bso rbentGlas sMa t)or alith ‐
ium-io nbatt ery. Fu llve hicle functionality is
onl yguar anteed withan AGMbatt eryor lith‐
ium-ion battery. Fo rsaf etyre ason s,
Mer cedes-Ben zre comme ndsthat youon ly
use batteries whic hha ve been tested and
appr ovedfo ryo ur vehicle byMer cedes-Ben z.
R Carryove rde tach able parts,suc has vent
hos es,elbo wfitting orterm inal covers from
th ebatt erybeing replaced. R
Mak esur eth at theve nt hos eis alwa ys con‐
nect edtotheor iginal opening ontheside of
th ebatt ery.
Ins tallan yex istin gor supplied cellcaps.
Ot her wise, gases orbatt eryacid could
escape.
R Mak esur eth at detach able partsarere con‐
nect edinthesame way. To
w star ting ortowing away Pe
rm itted towing methods Mer
cede s-Ben zre comme ndstransp orting your
ve hicle inthecase ofabr eakdo wn,rath er than
to wing itaw ay. Fo
rto wing, useato w rope ortow bar withbo th
axle son thegr ound. Donotuse tow bar sys‐
te ms.
* NO
TEDama getotheve hicle duetotow‐
ing away inc orrectl y #
Obs erve theins truction sand noteson
to wing away. Br
ea kdo wnassista nce 50
5

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Replace KeyBattery *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page71 ).
Á
Ke yNot Detected (whit e
disp lay mes sage) *T
heSmar tKey iscur rently undetect ed. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill no tre cogni zed,place itin themar kedspace forst ar tin gwit hth eSmar tKey
( / pag e18 2).
Á Ke yNo tDete cted (red dis‐
pl ay messa ge) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trall yloc kth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e18 2). 57
2
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Ifth edisp laymess agedoes notdisa ppear: consult aqu alif ied spec ialistwo rkshop.
00D7 48 VBattery SeeOpera-
tor's Manual *T
he48 Von-boar delectr icalsystem has func tion restrictions .Co nve nience func tions ma ybe restrict ed. #
Consul ta qu alif ied spec ialistwo rkshop immediat ely.
Cann otStart Engin eSee
Oper ator'sMan ual *T
hecharge leve lof the48 Vbatt eryis toolow. Youcan nolongerst ar tth eengine. #
Switc hof felectr icalconsumer sth at areno tre qu ired. #
Conn ectasuit able charge rapp rove dfo rMer cedes-Benz withsuf ficie ntcharge output tothejum p-start connec‐
tion pointofthe12 Vbatt ery(/ page503).
The 48Vbatt eryis ch arge dvia thevo ltag econ verter intheve hicle.
Engin eCan Now BeStart ed *T
he48 Vbatt eryhas been charge daut omatic allyviathevo ltag econ verter . #
Startth eengine anddrive th eve hicle fora whi leto charge the12 Vbatt eryand the48 Vbatt ery.
00D9 Please WaitCharging 48V
Batt ery… *T
he48 Vbatt eryis disc harged. Youha ve switc hedontheignition whilethe12 Vbatt erywa sbeing charge dwit ha
suit able charge ror whi leano ther vehicle waspr ov iding star tin gassis tance.
The disc ha rged 48 Vbatt eryis ch arge daut omatic allyviathevo ltag econ verter .Af tera fe w min utes, theEn gine
Can Now BeStarted displaymessag ewill besho wnonthemultifunc tiondispla y. #
Startth eengine. Displa
ymessag esand warning/ indic ator lam ps 61
3

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

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
Inde x