2020 MERCEDES-BENZ GLA USB

Collision
warning
see ActiveBr ake Assist
COMAN D
Dr ivin gdynam icsdisplay ...............1 71
COMA NDdisplay
Cl eani ng....... .................................. 284
Co mbinati onswi tch ....... ................... 104
Co mpass
Ca librating .....................................272
Ca lling up ....... ................................272
Mag netic fieldzone maps....... ....... 273
Setting .............. .............................272
Co nne ctin gaUSB device
see also Digita lOpera tor'sMan-
ua l....... ...........................................243
Co nsumptio nstatistic s(o n-bo ard
co mputer) .......................................... 192
Co ntroll er....... ....... .............................244
Co nve nience closi ng feature .............. 85
Co nve nience open ingfeature ............ 84
Co olan t(e ngi ne)
Che cking theleve l....... .................. 277
Displ aymessa ge....... ..................... 218
Fill ing capa city....... ........................339
Importa ntsafe tynotes .................. 339
Temp erature(on-boa rdcom-
pute r,Merced es-AMG vehicles) .....201
Temp eraturegau ge....... .................189
Warni nglamp ....... .......................... 239
Co oling
see Clima tecontrol
Co pyright .............................................30
Co rnerin glig ht func tion
Displ aymessa ge....... ..................... 215
Function/notes .............................104
Co ver
see Rollersunbl ind
Cruis eco ntrol
Activatio nconditi ons....... .............. 157
Cru isecontrol lever....... ................157
Deactiva ting....... ............................ 158
Displ aymessa ge....... ..................... 223
Driving system ...............................157
Function/notes .............................157
Importa ntsafe tynotes .................. 157
Setting aspee d....... .......................158 Storing
andmaintaining current
spee d....... ......................................157
Cup holde r
Center console ..............................258
Importa ntsafe tynotes .................. 258
Rea rcompa rtment .........................259
Custo merAssistanc eCe nter
(C AC )....... ..............................................28
Custo merRelati onsDepartment .......28 D
Dash board
see Cockpi t
Dash board lighting
see Instrument clusterlighting
Data
see Techni caldata
Dayti merunnin glamps
Displ aymessa ge....... ..................... 217
Function/notes .............................102
Switchi ngon/off (on-boa rdcom-
pute r)....... ......................................199
De clarations ofconformity .................27
De corative film
Cl eani nginstructio ns....... .............. 282
Di agno sticsco nne ctio n....... ...............27
Digit alOp erator 's Ma nua l
He lp.................................................2 4
Introduction .....................................2 4
Digit alsp eed omete r.........................1 93
DI RECT SELECTlev er
Automa tictransmis sion.................134
Di splay messag es
ASSYST PLUS................................ 278
Ca lling up (on-boa rdcompu ter)..... 204
Driving systems .............................220
Engine ............................................218
Gene ralnotes ................................ 203
Hidi ng(on-boa rdcompu ter)....... ....204
Ligh ts....... ......................................215
Safety systems ..............................205
SmartKey .......................................230
Tire s....... ........................................ 224
Vehi cle....... ....................................226
Di stanc eco ntrol
see Active Distance AssistDISTRONI C
Di stanc ereco rder .............................192 8
In
dex

the
stop ping dista nce onoff-roa dterr ain. Thi s
li mi ts ste ering cap ability . BAS
(Brak eAs sist Sys tem)
Ge neral info rmatio n BAS
opera tes ineme rgency braking situa tions.
If yo ude pre ssthe brakepedalqu ickl y,BAS
au toma tically bo osts thebraking force, thus
sho rteni ngthe stop ping dista nce.
Impo rtant safety notes i
Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 60) . G
WA
RNING
If BAS isma lfunctio ning,the braking dis-
tance inan eme rgency braking situa tionis
incr eased. The reisaris kof an acc ident.
In an eme rgency braking situa tion,de pre ss
the brakepedalwi th fullfor ce. ABS prevents
the wheelsfro mlocking .
Braki ng X
Kee pthe brakepedalfir ml yde pre sse dunti l
the eme rgency braking situa tionis ove r.
ABS prevents thewheelsfro mlocking .
The brakes willfu nctio nas usua lonce you
rel ease the brakepedal.BAS isde acti vated . Ac
tiv eBrake Assist
Ge neral info rmatio n i
Ob
serve the "Impo rtantsafety note s"sec-
tio n(Y page 60).
Activ eBra keAssi stcons ists of adi sta nce
wa rning functio nwi th an autono mousbra king
fu nctio nand asitua tion-de pende ntbra ke
bo osti ngeffect.
Activ eBra keAssi stcan helpyouto minim ize
the riskof acol lisi on with the vehicletra vel ing
in fro ntor red uce theeffects ofsuch acol li-
si on.
If Activ eBra keAssi stdetects thatthe reisa
ris kof col lisi on, youwi llbe warned visually
and acoustica lly. Ifyo udo not reactto the vis- ua
lcol lisi on warning orthe warning tone ,
au tono mousbra king canbeinitia ted incri tica l
si tua tions. Ifyo uap plythe brakeyourse lfin a
cri tica lsi tua tion,Activ eBra keAssi stsupp orts
yo uwi th asitua tion-de pende ntbra keboosti ng
eff ect.
Impo rtant safety notes Dete
ctionof hazar dous situa tions can bepar-
ticu larly impaire dif:
R Th ere isdirt on the senso rsor any thing else
cove ringthe senso rs
R Th ere issno wor heavyra in
R Th ere isinte rferenc eby othe rra da rsou rces
R Th ere arestro ngrada rref lectio ns,forexa m-
pl e in pa rki ng garage s
R Anar row vehicleis tra vel ing infro nt, e.g.a
moto rbike
R Aveh icleis tra vel ing infro nton adi ffe rent
li ne
R Yo uar edri vin ganew vehicleor servi cing on
the Activ eBra keAssi stsyste mhasjus t
be en car riedou t
Ob serve the impo rta ntsafety note sin the
"Br eaking -innote s"sectio n(Y page 124) .
Fol lowi ng dama getothe frontend ofthe vehi-
cle ,ha ve the confi guratio nand opera tionof
the rada rse nso rche cked ataqu alifi ed spe-
cia list wo rksh op.Th isalso appliesto col lisi ons
at low sp ee ds where novisible da ma getothe
fro ntofthe vehicleis ap parent.
Ac tiv atin g/dea ctivati ng Activ
eBra keAssi stisacti veafter eve ryigni-
tio ncy cle .
Yo ucan activate or deacti vate Activ eBra ke
Assi st(Y page 197 )in the on-b oard com-
pu ter. Whendeacti vated ,the dista nce warning
fu nctio nand theautono mousbra king functio n
ar ealso deacti vated .
If Activ eBra keAssi stisde acti vated ,the 00D4
sy mbo lap pe arsin the assista nce graphicdis-
pl ay .
If yo uha ve acti vated DSR, ActiveBra keAssi st
is de acti vated .For furthe rinf orm ation onDSR,
se e(Y page 169 ). Dr
ivi ng safet ysy stem s
61Safet y Z

Dist
ance war ning funct ion Gen
eral inf orma tion
The distanc ewarn ing fun ction can helpyou to
min imizetheris kof afron t-en dco llis ion witha
veh icle ahea dor red uce theef fect sof suc ha
co llis ion .If th edis tanc ewarn ing fun ction
det ects that there isaris kof aco llis ion ,you
will bewarn edvisually andacoustically.
Im por tant safet ynot es
i Obs
erveth e"Im portant saf etyno tes" sec -
ti on fordri vin gsaf etysys tems (Ypage 60). G
WAR
NING
The distanc ewarn ing fun ction doe sno t
rea ct:
R to peo pleorani mals
R to oncomin gveh icles
R to cross ing traff ic
R when corneri ng
The distanc ewarn ing fun ction may notgiv e
warn ings inall critic al sit uat ions.The reisa
ris kof an acc iden t.
Al ways paycareful atte nt ion tothetraff ic
sit uat ion and berea dytobra ke.
Al ways adapt yourspeedtosuit thepre vail -
in g ro ad and traff icco nd ition s. G
WAR
NING
The distanc ewarn ing fun ction cannot
always clear lyiden tify obj ects and compl ex
tr aff icsit uat ions.
In suc hcas es, thedis tanc ewarn ing fun ction
may:
R giv ean unn ecess ary warn ing
R no tgiv eawarn ing
The reisaris kof an acc iden t.
Al ways paycareful atte nt ion tothetraff ic
sit uat ion and donotrel ysol ely onthedis -
ta nc ewarn ing fun ction .
Fun ction
St art ing at aspe edofappr oximat ely4mph
(7 km/ h),the dista nce warning functio nwa rns
yo uif yo ura pidlyap pro ach aveh iclein fro nt.
An inte rmittent warning tone willthe nsou nd, and
the00BA dista nce warning lamp willlight
up inthe instrument cluste r.
X Bra keimmed iatel yin ord erto incr ease the
di sta nce fromthe vehiclein fro nt.
or X Take eva sive acti on, provided itis sa fe to do
so.
Due tothe natu reofthe syste m, partic ular ly
comp licate dbu tnon-cr itical drivin gcond itions
ma yal so cau sethe syste mto disp laya wa rn-
ing .
Wi th the helpof the rada rse nso rsy ste m, the
di sta nce warning functio ncan detect obsta -
cle stha tar ein the path ofyour veh iclefor an
exte ndedpe rio dof tim e.
Up toasp ee dof appro xim ately44 mph
(70 km/h ),the dista nce warning functio ncan
al so rea ctto sta tionar yob sta cles,su ch as
stop pedor parked vehicles .
Au ton omo usbrak ingfun ction If
the driver does not reactto the dista nce
wa rning signa lin acri tica lsi tua tion,Activ e
Bra keAssi stcan assist the driver with the
au tono mousbra king functio n.
The autono mousbra king functio n:
R gives thedriver mor etim eto rea ctto critica l
dri vin gsitua tions
R can helpthe driver toavoid an acc ident or
R can reduce theeffects ofan acc ident
Veh icle swi tho utActiv eDi stan ceAssist
DI STRO NIC:the autono mousbra king functio n
is availabl e in the followi ng spee dra nge s:
R 4-65 mph (7-105 km/h )for mov ing
ob jects
R 4-31 mph (7-50 km/h )for stationar y
ob jects
Veh icle swi th Activ eDi stan ceAssist
DI STRO NIC:the autono mousbra king functio n
is availabl e in the followi ng spee dra nge s:
R 4-124 mph (7-200 km/h )for mov ing
ob jects
R 4-31 mph (7-50 km/h )for stationar y
ob jects
Due tothe natu reofthe syste m, partic ular ly
comp licate dbu tnon-cr itical drivin gcond itions
ma yal so cau sethe autono mousbra king func-
tio nto inte rvene. 62
Dr
ivi ng safet ysy stem sSafet y

gered.
Thetailgate couldthusbeopened or
closed uninten tionally, forexample, ifyou:
- set somethin gdown orlift somethin gup
behind thevehicle.
- polish therear ofthe vehicle.
Do not carry theKEYLE SS-GO key about
your person inthese situations orinsitua-
tions similar tothese. Thiswillprevent the
uninten tionalopening/c losingofthe tail-
gate.
Operat ion X
To open/clo se:kick your footintosensor
detect ionzone 0043below thebumper.
Two warning tonessound whilethetailgate
is opening orclosing.
X If
the tailgat edoes notopen/clo seafter
several attempt s:wait atleast tensec-
onds, usingyourfootkick under thebumper
again.
If you hold your footunder thebumper fortoo
long, thetailgate doesnotopen orclose.
Repeat thelegmovement morequickly ifthis
occurs.
To stop theopening orclosing procedure:
R kick with your footintosensor detection
range 0043under thebumper, or
R pull thehandle onthe outside ofthe tail-
gate, or
R press theclosing buttononthe tailgate, or
R press the0054 button onthe Smart Key
If the tailgate closingprocedure hasbeen
stopped:
R kick your footunder thebumper againand
the tailgate willopen. If
the tailgate opening procedure hasbeen
stopped:
R kick your footunder thebumper againand
the tailgate willclose. Opening/cl
osingautomat ically from
inside
Import antsafety notes G
WARNING
Parts ofthe body could become trapped
during automatic closingofthe tailgate.
Moreover, people,e.g.children, maybe
standing inthe closing areaormay enter the
closing areaduring theclosing process.
There isarisk ofinjury.
Make surethatnobody isin the vicinity of
the closing areaduring theclosing process.
Use oneofthe following optionstostop the
closing process:
R press the0054 button onthe Smart Key.
R pull orpress theremote operating switch
on the driver's door.
R press theclosing orlocking buttononthe
tailgate.
R pull thehandle onthe tailgate G
DANGER
Combustion enginesemitpoisonous
exhaust gasessuchascarbon monoxide.
Exhaust gasescanenter thevehicle interior
if the tailgate isopen while theengine is
runnin g,especially ifthe vehicle isin
motion. Thereisarisk ofpoisoning.
Always switchoffthe engine beforeopening
the tailgate. Neverdrivewiththetailgate
open.
! The
tailgate swingsupwards andtothe
rear when opened. Therefore, makesure
that there issufficient clearance aboveand
behind thetailgate.
Two warning tonessound whilethetailgate is
opening orclosing. Cargo
compar tment
81Opening andclosing Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning.
The coola ntleve lis too low.
If the coola ntleve lis correct, theairflowtothe engine radiator may beblocked
or the electric engineradiator fanmay bedefective .
The coola ntistoo hotand theengine isno longer being coole dsuffi ciently .
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Pul lover andstop thevehicl esafel yand switch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eaga inst rolling awa y(Y pag e145).
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil theengine
has coole ddow n.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e277) .
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked.
X Make surethattheairsup plytothe engine radiator isnot blocked ,e.g. by
snow, slush orice.
X Do not start theengine againuntil thecoola nttempera tureisbel ow 248 ‡
(120 †).Otherwi se,the engine couldbe dama ged.
X Drive tothe neares tqua lified speci alist worksho p.
X Avoid heavyloa dson the engine asyou doso, e.g. drivinginmountai nouster-
rain andstop-and-go traffic. 00AC
0051
The redcoola ntwar ning lamp comes onwhi lethe engine isrunning. Awarn-
ing tone alsosound s.
The coola nttempera turehasexceede d248 ‡(120 †).The airflowtothe
engine radiator may beblocked orthe coola ntleve lmay betoo low.
G WARNING
The engine isnot being coole dsuffi ciently andmay bedama ged.
Do not drive when yourengine isoverhe ated.Thiscancaus esome fluidswhi ch
may have leaked into theengine compartment tocatch fire.
Steam fromtheoverhe atedengine canalsocaus eserio usburns whichcan
occur justbyopeni ngthe hood.
There isarisk ofinjury .
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Pul lover andstop thevehicl esafel yand switch offthe engine, paying atten-
tion toroad andtraffic conditions.
X Secure thevehicl eaga inst rolling awa y(Y pag e145) .
X Leave thevehicl eand keep asafe dista ncefrom thevehicl euntil theengine
has coole ddow n.
X Che ckthe coola ntleve land add coola nt,obser vingthewarni ngnotes
(Y pag e277).
X Ifyou have toadd coola ntfrequ ently, havetheengine coolingsystem
checked. 240
Warning
andindic atorlamps inthe instrum entclusterOn-bo ardcomput erand displays

Inser
tingan SD card
The SDcardslot isloc ate don theco ntrol
pan el.
X Inser tth eSD cardint oth eSD cardslot until
th eSD carden gages .The side withth eco n-
tac tsmust facedown .
Rem oving anSD card
X Pre sstheSD card.
The SDcardis eject ed.
X Remo vetheSD card.
Connect ingUSB devices X
Con nect theUS Bdev icetotheUS Bpor t.
Ther eare two USBpor tsinthest owage
spac eund erthearm rest.
X Sel ect themed iasour ce(Ypage 249). 250
Op
era ting syst emMultim edia system

X
To ope n:pre ssthe mar king oncove r0043.
i Yo
ucan remove thenon-sl ipma tand the
ins ert forcleani ng. Whe nrem oving the
ins ert youwi llha ve toove rcom esom eslig ht
res istance .
Sto wage compartmen tunde rthe arm-
res t X
To ope n:on veh icles with mova ble arm r-
ests ,ma kesure tha tthe arm restis in the
rea rmos tpo sitio n.
X Pre ssbutton 0043and foldthe arm restup .
Dep endingonthe vehicleeq uipme nt,the arm -
res tcan bemove dba ckwa rdsorforw ardsin a
lo ngi tud inaldi recti on.
Dep endingonthe vehicle's equipme nt,the fol-
lo wi ng ma ybe inthe stow agecomp artment:a
mu ltimed iaconne ctorunitwi th an SD card
sl ot and 2USB ports, e.g.for usewi th an
iP od ®
,iP hone ®
or MP3 play er (se ethe Digital
Ope rator'sManua l).
Sto wage compartmen tsinthe rear
pass engerco mpartmen t Sto
wage compartmen tin the rear cente r
co nsole X
To ope n:pulldo wn the top ofstow agecom-
pa rtment 0043bythe edge ofthe handl e.
i Dep
endingonthe vehicle's equipme nt,
ther ema ybe anopen stow agespa ceabove
the stow agecomp artment. Parc
elne ts
Stow agenets arelocate d:
R in the front-p asseng erfoo twe ll
R on the back ofthe driver' sand thefront-
pa sse nger seat
R on the left and right-ha ndside inthe cargo
comp artment
Obs erve theload ing guideline s(Y page 251 )
and thesafety notes regard ing stow age
spa ces (Ypage 251 ). Fo
ldi ng bac kres ton the fron t-
pass engerse at (Canada only) G
WAR
NING
If the backres tof the front-p asseng ersea tis
fol dedforw ard,rea rsea tpa sse nger scan
come inconta ctwith parts ofthe seat
mech anism. particu larly inthe eventofan
acci dent, hea vybra king orasu dd en cha nge
of directi on.Thereisaris kof inju ry.
If apa sse nger travelsin the vehiclewh ile
the front-p asseng ersea tis fol dedforw ard,
they mustsitin the rearsea tbe hind the
dri ver.
The backres tof the front-p asseng ersea tcan
be foldedforw ardsto incre asethe cargocom-
pa rtment capacity.
Once youno longer needthe backres ton the
front-p asseng erside tobe used asaload sur-
fac e,fol dthe backres tba ck into place . Sto
wage areas
253Sto wag ean dfe ature s Z