2020 MERCEDES-BENZ GLS COUPE AMG Owner's Manual

Oper
ator's Manua l
This Supplement prov ides informatio non allthe
im por tant func tions ofyour AM Gve hicle that are
eit her notdesc ribed ordifferfr om thedescr ip‐
tion sin theve hicle Operator's Manual. This
inf ormation supplements orreplaces thecor re‐
sponding sectionsintheve hicle Operator's Man‐
ual. Under nocircums tances does theSupple‐
ment replace theOper ator's Manual.
This Supplement describesallmodels, and
st andar dand optio nal equipme ntforyo ur vehi‐
cle, asavailable atthetime ofgoing topress.
Countr y-specif icdif fere nces arepo ssi ble. Bea r
in mind that your vehicle mayno tfe atur eall
fun ction sdesc ribed here.This isalso thecase
fo rsy stems andfunc tionsre leva nt tosaf ety.
Ther efor e, theeq uipment onyour vehicle may
dif ferfr om that inthedescr iption sand illustra‐
tion s.
The original purchase contract documen tation
fo ryo ur vehicle contains alis tof all ofthesy s‐
te ms inyour vehicle. Should
youha ve anyqu estion scon cerning
eq uipment andoper ation, please consult an
aut hor ized Mercedes- BenzCenter.
The Oper ator's Manual, theSupplement andthe
Maint enance Bookletar eim por tant docum ents
and should be kept intheve hicle. Oper
ating safety &
WARNIN GRisk ofacci dent dueto mal‐
functions orsystem failur es
If yo udo notha ve thepr escr ibed service/
maint enanc ewo rkor anyre qu ired repair s
car ried out, this could result inmalfunctions
or system failur es. #
Alw aysha ve thepr escr ibed service/
maint enanc ewo rkas wellan yre qu ired
re pair scar ried out ataqu alif ied spe‐
cialis two rkshop. &
WARNIN GRisk ofacci dent andinjuryas
a re sult ofincor rect mod ifica tions to
electr oniccomponen tpar ts
Modif ication toelectr oniccomponen ts,their
sof twareor wir ing could impair their func tion
and/or thefunc tion ofother networke dcom‐
ponen tpar ts.Inpar ticular ,sy stems releva nt
to saf etyco uld also beaffect ed.
As are sult, they ma yno long erfunction as
int ended and/or endangertheoper ating
saf etyof theve hicle. #
Neverta mp erwit hth ewir ing and elec‐
tr onic componen tpar tsor their soft‐
wa re. #
Yousho uld have all workon electr ical
and electr oniccomponent scar ried out
at aqu alif ied spec ialistwo rkshop. Obser
vethe"On-boar delectr onics"sect ionin
"T ec hnical data"intheve hicle Operator's Man‐
ual. Gener
alno tes 7

&
WARNIN GRisk offire due toflammab le
mat erials onhotpar tsof theex haus t
sy stem
Flammable material suc has lea ves, grass or
twigs mayignit eif th ey come intocont act
wi th hotpar tsof theex haus tsy stem. #
When driving onunpavedro ads oroff-
ro ad, regular lych eckth eve hicle under‐
side. #
Remo vetrap pe dplants orother flam‐
mable material. #
Ifth er eis damag e,con sult aqu alif ied
spec ialistwo rkshop immediat ely. *
NO
TEDama getotheve hicle In
thefo llo wing situat ions,in par ticular ,th er e
is arisk ofdamag eto theve hicle:
R The vehicle becomes grounded, e.g.ona
high curb oran unpavedro ad R
The vehicle isdriven toofa st over an
obs tacle ,e.g. acurb ,spe edbump orpot‐
hole
R Ahea vyobject strike sth eunderbody or
ch assis components
In situatio nssuc has this, thebody ,th e
und erbody ,ch assis components,wheels or
tir es coul dbe damag edwithout thedamag e
being visible. Componen tsdamag edinthis
wa ycan unexpec tedly failor ,in thecase of
an acciden t,ma yno tabsorb theloads that
ar ise asintend ed.
If th eunderbody panelingisdamag ed,flam‐
mable materials suchas lea ves, grass or
twigs cancollect between theunderbody and
th eunderbody paneling.Thesematerials may
ignit eif th ey come intocont actwith hot
par tson theex haus tsy stem. #
Have theve hicle checkedand repair ed
immediat elyat aqu alif ied spec ialist
wo rkshop.
or #
Ifdr iving safetyis im pair edwhile con‐
ti nui ng your jour ne y,pull over and stop
th eve hicle immediat elyin accor dance
wit hth etraf fic condi tions,and cont act
a qu alif ied spec ialistwo rkshop. Qualif
iedspecialis two rkshop
An author ized Mercedes-B enzCent erisaqu ali‐
fi ed specialis two rkshop. Ithas theneces sary
special skills,tools and qualif icat ionsto cor‐
re ctly carryout thewo rkrequ ired on your vehi‐
cle. This particular lyapplies tosaf ety-re leva nt
wo rks.
Fo rth efo llo wing, alwaysha ve your vehicle
ch eckedat an aut hor ized Mercedes- BenzCen‐
te r:
R safety-re leva nt wo rks
R service andmaint enance work
R repair work
R modif icationsaswellas installation sand
con versions
R workon electr oniccomponent s 8
Gener alno tes

Mer
cedes‑AMG recomme ndsaMer cede s‑Benz
ser vice center. Co
rrect use oftheve hicl e
If yo ure mo veanywa rning sticke rs,yo uor other s
could failto recogni zecer tain dang ers. Lea ve
wa rning sticke rs inposit ion.
Obser vethefo llo wing informatio nin par ticular
when drivin gyo ur vehicle:
R thesaf etyno tesin this manual
R tech nica lda ta forth eve hicle
R traf fic ru les and regulations
R laws and safetyst andar dsper tainin gto
mo torve hicles Limit
edWa rranty
* NO
TEDama getotheve hicle arising
fr om violation ofthese oper ating instruc‐
tion s. Damag
eto theve hicle canarise from viola‐
tion ofthese oper ating instruction s. This
damag eis no tco veredeit her bythe
Mer cedes-Ben zim plied warrant yor by the
Ne w‑ orUsed- Vehicle Warrant y. #
Followtheins truction sin these oper at‐
ing instruction son proper operation of
yo ur vehicle aswellas on possible vehi‐
cle damag e. Gener
alno tes 9

Dr
ivin g Br
eak ing- inno tes To
preser vetheengine during thefirs t
1, 000 miles(1 ,500 km):
R drive at varying road spee dsand engine
spee ds.
R donotdr ive fa ster than 85 mph(1 40 km/h) .
R allo w theengine toreac hamax imum engine
spee dof 4,5 00 rpm (4,500 rpm) onlybr ief ly.
R drive th eve hicle indrive pr ogr am A.
R chang ege ar bef oreth eta ch ome terneedl eis
00C3 ofthewa yto there dar ea oftheta ch ome‐
te r.
R donotshif tdo wn age ar man uallyin order to
br ak e.
R avoidoverstra inin gth eve hicle, e.g.driving at
full thro ttle .
R donotde pres sth eaccelera torpeda lpas t
th epr essur epoint (kickdo wn).
R onlyincr ease theengine speedgradually and
acceler ateth eve hicle tofull spee daf te r
1, 000 miles(1 ,500 km). This
also app lieswhe nth eengine orpar tsof the
dr ivet ra in have been replaced.
Please alsoobser vethefo llo wing breakin g-in
no tes:
R Incer tain drivin gand drivin gsaf etysy stems,
th esensor sadjus taut omaticall ywhile acer‐
ta in dis tance isbe ing driven afte rth eve hicle
has been delivered orafte rre pair s.Fu llsy s‐
te m effectiv enes sis no tre ac hed untilth e
end ofthis teac h-in proce ss.
R Brak epads ,br ak edisc sand tires that are
eit her newor have been replaced onlyac h‐
ie ve optimum braking effect and grip afte r
se veralhundr edkilom eter sof driving. Com‐
pensat efo rth ere duced braking effect by
appl ying grea terfo rc eto thebr ak epedal. Fu
nction ofEmo tion Start #
Startth eve hicle withth est ar t/ stop butt on
and simult aneousl ypull one ofsteer ing
wheel gearshif tpaddles 1or2.
R The idlespee dis inc reased brief lywhen
st ar tin gth eengine.
R The exhaus tga sflaps areopen ed(spo rty
ch aract eristic )(/ page11 ).
Obser vetheno teson star tin gth eve hicle inthe
ve hicle Operator's Manual. 10
Driving and parking

Oper
ation oftheECO star t/s topfunc tion The
engineisswi tched offau tomatical lyin the
fo llo wing situat ionsifall vehicle conditions for
an aut omat iceng inestop areme t:
R Youbr ak eth eve hicle toast ands tillin trans ‐
miss ionposit ion005Bor005C.
If yo uswit chon theHOLD function intransmis‐
sion position 005Bor005C, theengine willautomati‐
call yst op inthefo llo wing situat ions:
R Youstop behind ave hicle that ispullin g
aw ay.
R Youstop atast op sign when ther eis no vehi‐
cle infront ofyou.
R Youtur nth esteer ing wheel hardat alow
speed.
% Intra nsmiss ionposition 005E,theengine is
no tswitc hedoffaut omaticall yeve nwh en
th eHOLD function isswitc hedon.
The engine isrestar tedaut omatic allyif:
R Youre lease thebr ak epedal intra nsmiss ion
position 005Bwhen theHOLD function isno t activ
eand theve hicle does notst ar tto
mo ve.
R Youshif tfr om trans mis sion position005D.
R Youre lease thebr ak epedal andtheve hicle
st ar ts to mo veon age ntle downh ill gr ad ient
at aspe edbelow 3mp h(5 km/h) .
R Youdepr esstheaccelera torpeda l.
R Youper man ently act ivat eman ualgearshif t‐
ing .
R Youpull thelef t-hand steer ing wheel gear‐
shif tpaddle.
R Anautomat iceng inestar tis nec essar y.
If th eengine wasswitc hedoffby theEC Ostar t/
st op funct ionand youlea vetheve hicle, awa rn‐
ing tone sou nds. TheVehicleRe adyto Driv e
Swi tch the IgnitionOff Befo reExiti ngdispl ay
messa gealso appear sin themultifunc tiondis‐
pla y.Ifyo udo notswit choffth eignition ,th e
ignit ionisaut omat icallyswitc hedoffaf te rone
minut e. AMG
Perfor ma nce exhaus tsy stem Fu
nction oftheAMG Perfor ma nce exhaus t
sy stem
Chang ingtheposition oftheex haus tga sflaps
allo wsyouto select thesound charact eristic sof
th eAMG Perfor mance exhaus tsy stem:
R Closed exhaus tga sflaps: comfort ch aract er‐
is tic (balan ced)
R Open exhaus tga sflaps: sportycharact eristic
(po werful) Dr
ivin gand parking 11

Oper
ating theAMG Perfor ma nce exhaus t
sy stem #
Press butt on1.
The spor tycharact eristic (Powe rful) issele c‐
te dwhen indicat orlam p2 lights up. DY
NA MIC SELECT switch Fu
nction oftheDY NA MIC SELECT switch Use
theDY NA MIC SELE CTswitc hto chang e
be tween thefo llo wing drive pr ogr ams:
o (Slippery): optim ized pulling away and
dr ivin gch aract eristic sin wint ryand slip‐
per yro ad con dition s
= (Individual):ind ividual setting s
A (Comfort): com fortable andeconomic al
dr ivin gst yle
C (Sport):spor tydrivin gst yle
B (Sport+): particular lyspor tydrivin gst yle
Mer cedes- AMGrecomme ndsselecting thedr ive
pr ogr am A when incity traffic or stop-and-go
tr af fic.
Depe nding onthedr ive pr og ram sele cted, the
fo llo wing vehicle charact eristic swill chang e:
R Drive:
- Engin eand trans miss ionman agemen t
- ActiveDis tance AssistDIS TRONI C
R ESP ® R
Availabilit yof theEC Ostar t/ stop funct ion
R Suspension:
R Position oftheex haus tga sflaps
R Steer ing
R Availabilit yof glide mode
% Youcan also chang eth efo llo wing vehicle
ch aract eristic susin gth ebutt ons inthecen‐
te rconsole:
R Position oftheex haus tga sflaps
R Sus pen sion
R ESP®
R Availabilit yof theEC Ostar t/ stop func‐
tion Displa
yingdynam icdata Multimedia
system:
4 Vehicle 5
e DYNA MICSELECT #
Select Dyn.Data.
Dynamic datais displa yed, e.g. :
R G-force values 12
Driving and parking

R
Torque dist ribution
R Boos t
R Cur rent powe routpu t
R Variable all-wheel drive Au
tomatic trans mis sion Man
ualgearshif ting #
Toactiv ate/ deacti vate:pr ess button 1.
If ind icatorlam p2 islit, manua lge arshif t‐
ing isact ivat ed. The current gear isdispla yed
in themultifunc tiondispla y.
% Toper manen tly shif tth ege arsman uallyin
dr ive pr og ram = using thesteer ing wheel
ge arshif tpaddles ,selec tth eM (Manual) set‐
ting forth etra nsmiss ion.
* NO
TEDama getotheengine duetoshif t‐
ing uptoolat e The
automatic transmission doesnotshif tup
in manual modeeven when theengine' slim‐
iting speed isreac hed.
The fuel suppl yis int erru pte din order topre‐
ve nt theengine from overrev ving. #
Shif tup bef oreth eengine speedrea‐
ch es there dar ea intheta ch ome ter. #
Toshif tup: pull steer ing wheel gearshif t
paddle 2. #
Toshif tdo wn: pullsteer ing wheel gearshif t
paddle 1. Dr
ivin gand parking 13

If
th eengine speedistoohigh ortoolow, you
canno tch ang ege ar usin gth esteer ing wheel
ge arshif tpaddles .In this case, segme nts1
light upred. Gear
shiftre comm endation The
gearshif tre comme ndation assists youin
adop tingan eco nomic aldrivin gst yle. #
Ifge arshif tre comme ndation mess age1 is
sho wnonthemultifunc tiondispla y,shif tto
th ere comme ndedgear. %
Gear shiftre comme ndation isacti veonl yif
yo uha ve act ivat ed man ualgearshif tingwit h
th ebutt ononthecent ercon sole. Using
kickdo wn #
Maxim umacceler ation:depresstheaccel‐
er ator pedal beyond thepr essur epoint .
Dur ing kickdo wn, youcan notch ang ege arsusin g
th esteer ing wheel gearshif tpaddles .The auto‐
mat ictransm issionshif tsup tothene xt gear
when themaximum enginespeedisreac hed to
pr otect theengine from overrev ving.
% Ifyo uha ve act ivat ed man ualgearshif ting
wit hth ebutt oninthecent ercon sole, the
tr ans missi on does notre act tothekic k‐
do wn. Glide
mode function Wi
th an ant icip ator ydr ivin gst yle, glide mode
helps youto reduce fuelconsum ption. Glide
mode isch aract erize dby thefo llo wing:
R The com bustion engin eis switc hedoff.All of
th eve hicle functionsremain active.
R The J symbo lwil lapp ear onthemulti‐
func tion displa y.
Glide mode isact ivat ed ifth efo llo wing condi‐
tion sar eme t:
R The ECOstar t/ stop funct ionisactiv ated.
R Drive pr ogr am = isselect edwithth e
dr ive se tting "Moder ate" or"Reduced".
R The speed iswit hin asuit able rang e.
R The road's courseissuit able, e.g.no steep
uphill ordownhill inclinesortight bends.
R The charge leve lof thebatt eryis suf ficie nt.
R Youar eno longerdepr essing theaccelera tor
or brak epedal.
Glide mode isdeactiv ated again ifone ofthe
condi tions isno long erme t.
Whe nAc tiveDis tance AssistDIS TRONI Cis
acti ve,gl ide mode isrestrict ed. 14
Driving and parking