2020 MERCEDES-BENZ GLA service reset

Possible
dangerduetosubstances
haza rdous tohealth
In compliance withProposition 65(“Prop65”),
the following detachable labelhasbeen added
to each vehicle soldinCali fornia: Operat
ingsafety Dec
larat ions ofconformity
USA: "Thewireless devicesofthis vehicle
comply withPart15ofthe FCC Rules.Opera-
tion issubject tothe two following twocondi-
tions: 1)These devices maynotcause harmful
interf erence, and2)These devices must
accept anyinterf erence received, including
interf erence thatmay cause undesired opera-
tion. Changes ormodifications notexpressly
approved bythe party responsible forcompli-
ance could voidtheuser’s authority tooperate
the equipment."
Canada: "Thewireless devicesofthis vehicle
comply withIndustry Canadalicense-ex empt
RSS standard(s). Operationissubject tothe
following twocondition s:(1) These devices
may notcause interference, and(2)These
devices mustaccept anyinterf erence, includ-
ing interf erence thatmay cause undesired
operation ofthe device." Diagnostic
connector
The diagnostics connection isonly inten ded
for the conn ection ofdiagnostic equipment at
a quali fiedspecialist workshop. G
WARNING
If you conn ectequipment toadiagnostics
conn ection inthe vehicle, itmay affect the operation
ofvehicle systems. Asaresult,
the operating safetyofthe vehicle couldbe
affected. Thereisarisk ofan accident.
Only connectequipment toadiagnostics
conn ection inthe vehicle, whichisapproved
for your vehicle byMercedes-B enz. G
WARNING
Object sin the driver's footwell canrestrict
the pedal travel orobstruct adepressed
pedal. Theoperating androad safety ofthe
vehicle isjeopardized. Thereisarisk ofan
accident.
Make surethatallobject sin the vehicle are
stowed correctly,and that they cannot enter
the driver's footwell. Installthe floormats
securely andasspecified inorder toensure
sufficient clearance forthe pedals. Donot
use loose floormats anddonot place floor-
mats ontop ofone another.
! If
the engine isswitched offand equip-
ment onthe diagnostics connection isused,
the starter battery maydischarge.
Connect ingequipment tothe diagnostics con-
nect ioncan lead toemissions monitoring
information beingreset, forexample. Thismay
lead tothe vehicle failingtomeet therequire-
ment sof the next emissions testduring the
main inspection . Qualified
specialist workshop
An authorized Mercedes-B enzCenter isa
quali fiedspecialist workshop. Ithas theneces-
sary specialist knowledge, toolsandquali fica-
tions tocorrect lycarry outthework required
on your vehicle. Thisisespecially thecase for
work relevant tosafety.
Observe thenotes inthe Maintenanc eBook-
let.
Always havethefollowing workcarried outat
an authorized Mercedes-B enzCenter:
R work relevant tosafety
R service andmaintenan cework
R repair work Operat
ingsafety
27Introduction Z

Disp
laying service messa ges
X Swi tchon theign ition .
X Press the0059 or0065 buttonto sel ectth e
Ser v. Ser
v.men u.
X Press the0063 or0064 buttonto sel ectth e
ASS YST PLUS ASS
YST PLUSsubm enuand confirm by
pre ssing the0076 button.
The servicedue dateappe arsinthemult i-
fun ction display. Inf
orma tion about Service
Res etting theASSYS TPLUS service
int erva ldi sp lay !
If
th eAS SYST PLU Sser viceinte rval dis -
play hasbeeninadv ertently res et,th is set -
ti ng can becorrec tedat aqualif iedspecial-
ist wor kshop .
Hav eser vicewor kcar riedout asdes cribed
in theMain tenan ceBooklet .Thi smay other -
wise leadtoincr ease dwear anddam ageto
th emaj orass emb liesortheveh icle.
A qualif iedspecialis twor kshop ,e. g. an aut hor -
iz ed Mer cedes -Ben zCen ter, will resetthe
AS SYST PLU Sser viceinte rval dis play afterthe
ser vicewor khas beencar riedout .You can
also obtain further info rm ation onmain te-
nan cewor k,forex amp le.
Sp ecia lser vice requ irem ent s The
specifie dmain tenan ceinte rval take son ly
th eno rm alope ration oftheveh icle into
acc oun t.Un der arduous operating co nd ition s
or incr ease dload ontheveh icle, main tenan ce
wor kmus tbe car riedout morefreque ntly, for
ex amp le:
R reg ular city dri vin gwit hfreque ntinte rm edi-
at est ops
R ifth eveh icle ispri mar ilyused totrave lsho rt
dis tanc es
R use inmo unt ainous terrain oron poo rro ad
sur faces
R ifth een gin eis ofte nlef tidli ng forlon gper i-
ods
R in par ticul arly dust yco nd ition s,or ifair-
rec irculat ionmodeisfreque ntly used
In these orsim ilar ope rating co nd ition s,hav e
th einte rio rfil te r, en gin eair clean er,engin eoil and
oilfilte r, forex amp le,chang edmo refre-
quen tly. Un der arduous operating co nd ition s,
th etires mus tbe checke dmo reofte n. Fur ther
in fo rm ation can beobt ained ataqualif iedspe-
ci alis twor kshop ,e. g. an aut hor ized Mer cedes -
Be nz Cen ter.
Dri vin gab road An
extens ive Mer cedes -Ben zSe rvice ne twork
is also available inother count ries.You can
obt ain further info rm ation from any author ized
Mer cedes -Ben zCen ter. Car
e Gen
eral not es H
Envi
ronm ent alnot e
Di spo seofemp typac kagin gand clean ing
cl ot hs inan environ men tally res pon sible
man ner.
! Whe
nclean ing your car,do notuse:
R dry, coars eor har dclot hs
R abr asiv eclean ing agen ts
R sol ven ts
R clean ing agen tscontain ing sol ven ts
Do notsc rub .
Do notto uch thesur facesand films with
har dobj ects,e. g. rin gs orice sc rap ers.Ot h-
erw ise,you may scrat ch ordam agethesur -
fac esand films .
! Do
notpar kyour vehicle fora lon gper iod
of time directly aft erclean ing, par ticul arly
aft erclean ing th ewhee lrim withwhee l
cl ean er.Whe elclean ercan lead tothe
in cr ease dco rrosi on ofthebra kediscsand
pads .The refore, dri ve fora fe w min utes
aft erclean ing. By heat ing up thebra kes,the
bra kediscsand pads dry.Thevehicle can
th en be par kedfo ra lon gper iod oftime.
Regul arcar eof your vehicle isaco nd ition for
ret ain ing th equalit yin thelon gte rm .
Use carepro duc tsand clean ing agen tsrec om-
men dedandappr oved byMer cedes -Ben z. Car
e
279Maintena nce andcar e Z

Wear
eyeprotec tion. Keep
children away. Observe
thisOperator' sManual.
For safety reasons, Mercedes- Benzrecom-
mends thatyouonly usebatter ieswhich have
been testedand approved foryour vehicle by
Mercedes- Benz.These batteriesprovide
incr eased impact protectiontoprevent vehicle
occupant sfrom sufferin gacid burns should
the batter ybe damaged inthe event ofan
accident .
In order forthe batter yto achieve themaxi-
mum possible servicelife,itmust alway sbe
sufficien tlycharged.
Like other batter ies,thevehicle batterymay
discharge overtime ifyou donot use thevehi-
cle. Inthis case, havethebatter ydisconn ec-
ted ataqualified specialist workshop. Youcan
also charge thebatter ywith acharger recom-
mended byMercedes- Benz.Contac ta quali-
fied specialist workshop forfurther informa-
tion.
Have thebatter ycondit ionofcharge checked
more frequent lyifyou usethevehicle mainly
for short tripsorifyou leave itstandin gidle
for alength yperiod. Consult aqualified spe-
cialist workshop ifyou wish toleave yourvehi-
cle parked foralong period oftime.
Only replace abatter ywith abatter ythat has
been recomm endedbyMercedes- Benz.
Remove theSmart Keyifyou park thevehicle
and donot require anyelectr icalcons umers.
The vehicle willthen usevery little energy,
thus conserving batterypower.
If the power supply hasbeen interrupted, e.g.
if you recon nectthebatter y,you willhave to:
R set the clock using themultimedia system
(see theDigital Operator' sManual)
R reset thefunct ionforfolding theexterior
mirrors in/outautomatically, byfolding the
mirrors outonce (Ypage 99) Charging
thebatt ery G
WARNIN
G
During charging andjump- starting,explosive
gases canescape fromthebatter y.There is
a risk ofan explosion.
Particularly avoidfire,open flames, creating
sparks andsmokin g.En sure there issuffi-
cient ventilation whilecharging andjump-
start ing.Donot lean over abatter y. G
WARNIN
G
Batt eryacid iscaustic. Thereisarisk of
injury.
Avoid contactwith skin,eyes orclothin g.Do
not inhale anybatter ygases. Donot lean
over thebatter y.Keep children awayfrom
batter ies.Wash awaybatter yacid immedi-
ately withplenty ofclean water andseek
medical attention. G
WARNIN
G
A discharged batterycan freez eat temper a-
tures below freezingpoint. Whenjump-start-
ing the vehicle orcharging thebatter y,
gases canescape fromthebatter y.There is
a risk ofan explosion.
Allow thefrozenbatter yto thaw outbefore
charging itor jump- starting.
! Only
usebatter ychargers withamaximum
charging voltageof14. 8V.
! Only
charge thebatter yusing thejump-
start ingconn ection point.
The jump- startingconn ection pointisin the
engine compart ment(Ypage 296).
X Open thehood.
X Connec tthe batter ycharger tothe positive
term inaland ground pointinthe same order
as when connectin gthe donor batteryin the
jump- startingprocedure (Ypage 296).
If the indicator /warninglamps donot light up
in the instrument clusteratlow temper atures,
it is very likely thatthedischarged batteryhas
froz en.Inthis case youmay neith erjump- start
the vehicle norcharge thebatter y.The service
life ofathawed-out batterymay beshort er.
The start ingcharact eristicscan beimpaired, Bat
tery(vehicle )
295Breakdown assistance Z