2020 MERCEDES-BENZ GLA belt

G
WARNING
If the drive r'sseat isnot engag ed,itcoul d
move forwardsasfar asthe next catch dur-
ing movement suchasbraki ngorabru pt
changes ofdire ction. Asaresu lt,you would
be pus hed against yourseat beltby the
unsecu reddrive r'sseat.
This couldcaus eyou tolose control ofthe
vehicl e.The seat beltcannot protect as
intended andcouldresu ltin add itiona l
injury .
There isarisk ofan accide ntand injury .
Before everyjourney ,make surethatthe
drive r'sseat isfull yengag ed.
Observe thesafety noteson"Air bags"
(Y pag e44) and "Children inthe vehicl e"
(Y pag e53). G
WARNING
If the drive r'sseat isnot engag ed,itcoul d
move unexpe ctedlywhilethe vehicl eis in
motion. Thiscouldcaus eyou tolose control
of the vehicl e.There isarisk ofan accide nt.
Alwa ysmake surethatthedrive r'sseat is
engag edbefore starting thevehicl e. G
WARNING
You couldlose control ofyou rvehicl eif you
do the followi ngwhi ledrivi ng:
R adju stthe drive r'sseat, headrestrai nt,
steering wheelor mirrors
R fasten theseat belt
There isarisk ofan accide nt.
Adjust thedrive r'sseat, headrestrai nt,
steering wheeland mirror andfasten your
seat beltbefore starting theengine. G
WARNING
If you adju stthe seat heightcarel essly,you
or other vehicleoccupa ntscoul dbe trappe d
and thereby injured.Chi ldre nin particu lar
coul daccide ntallypress theelectrica lseat
adju stment buttons andbecome trapped.
There isarisk ofinjury . Whil
emoving theseats, makesurethatyour
hands orother bodyparts donot getunder
the leve rasse mbly ofthe seat adjustment
system.
! To
prevent damagetothe seats andthe
seat heati ng,obser vethe followi ngnotes:
R Do not spillliq uid sonto theseats. Drythe
seats assoon aspossi bleifliq uid does
get spilled onthe seats.
R Ifthe seat covers aredamp orwet, donot
swi tch onthe seat heati ng.Also, donot
use theseat heati ngtodry the seats.
R Cle anthe seat covers asrecommende d;
see the"Interio rcare" section.
R Do not transport heavyloa dson the
seats. Donot placepointed objectson
the seat cushi onssuch asknives, nailsor
tools. Where possible,use theseats only
for carryi ngpass engers.
R When operatingtheseat heati ng,donot
cover theseats withinsulating materia ls,
e.g. blankets, coats,bags,protective cov-
ers, child seats orbooster seats.
R When theseat heati ngisswi tched on,the
seat surfa cecan bedama gedasaresu lt
of objects being placed onthe seats, for
exampl e,seat cushi ons,child seats and
protective coversnotapproved by
Mercede s-Benz.
! Make
surethatthere arenoobjects inthe
footwel lunder orbehi ndthe seats when
moving theseats back. There isarisk that
the seats and/or theobjects couldbe dam-
age d.
i Further related subjects:
R Ca rgo compartment enlargement (folding
dow nthe rear seats) (Ypag e254) Seats
93Seats,steering wheeland mirrors Z

Adj
usting thehea dres train ts
Imp ortant safety notes G
WAR
NING
You could lose control ofyour vehicleif you
do thefol lowin gwhile drivin g:
R adj ust thedri ver 'sseat ,head restrain t,
st eer ing whee lor mir rors
R fas tenth eseat belt
The reisaris kof an acc iden t.
Ad jus tth edri ver 'sseat ,head restrain t,
st eer ing whee land mirror and fastenyour
seat beltbefore start ing theen gin e. G
WAR
NING
If th ehead restrain tsare notins talled ornot
adj ust edcorrec tly, they can notpro videpro -
te ction asintended. Thereisan increas ed
ris kof injury inthehead andneck area, e.g.
in theeve ntofan acc iden tor when braking.
Alw ays drive wit hth ehead restrain tsins tal-
led. Befor edri vin goff ,mak esur efor eve ry
veh icleoc cup ant that thece nter ofthehead
res train tsupp ortsth ebac kof thehead at
about eyelevel.
Usi ngthefor e-and -aftadj ust men t,adj ust the
head restrain tso that itis as clo seaspos sible
to your head.
Gene ralnot es Fo
rveh icles wit hspo rts seat syou cannot
adj ust thefron thead restrain tsor theout er
rear head restrain ts. Adj
usting thehea dres train tsma nua lly Adj
usting thehea dres train theig ht X
To raise: pullthehead restrain tup tothe
desi redposition .
X To lower :pre ssrelease catch0043 inthe
dir ection ofthearr ow and push thehead
res train tdown tothedesi redposition .
Adj usting thefor e/af tpos ition ofthe
hea dres train t Wit
hth is fun ction you can adjust thedist ance
bet ween thehead restrain tand thebac kof
th eseat occup ant'shead .
X To mov efor war ds:pull thehead restrain t
for ward sin thedir ection ofthearr ow untilit
en gage s.
The reare several notches .
X To mov eback wards:pre ssand hold
rel ease button0043 and push thehead
res train tbac kwa rds.
X When thehead restrain tis in thedesi red
pos ition ,rel ease thebut tonand makesur e
th at thehead restrain tis en gage din pos i-
ti on . Sea
ts
95Seats,ste ering wheel andmirro rs Z

The
three redindicator lampsinthe button
indicate theheating levelyouhave selected.
The system automatically switchesdownfrom
level 3to level 2after approximately eight
minutes. The
system automatically switchesdownfrom
level 2to level 1after approximately ten
minutes.
The system automatically switchesoffapprox-
imately 20minutes afteritis set tolevel 1.
X Turn theSmart Keytoposition 0047or0048 in
the ignition lock(Ypage 125).
X To switch on:press button 0043repeatedly
until thedesired heating levelisset.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i If
the battery voltage istoo low, theseat
heating mayswitch off.
Problems withtheseat heating Problem
Possible
causes/conse quencesand0050 0050
Solutions The
seat heating has
switched offprema-
turely orcann otbe
switched on. The
on-board voltageistoo low because toomany electric alcon-
sumers areswitched on.
X Switch offelectric alconsumer sthat youdonot need, suchasthe
rear window defrosteror inter iorlighting.
Once thebattery issufficient lycharged, theseat heating will
switch backonautomatically. Steering
wheel Import
antsafety notes G
WARNIN
G
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint,
steerin gwheel ormirrors
R fasten theseat belt
There isarisk ofan accident .
Adjust thedriver's seat,head restraint,
steerin gwheel andmirror andfasten your
seat beltbefore startingthe engine. G
WARNIN
G
Children couldinjure themselves ifthey
adjust thesteerin gwheel. Thereisarisk of
injury. Never
leavechildren unsupervised inthe
vehicle.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. Adjust
ingthe steering wheel G
WARNIN
G
If the steerin gwheel isunlocked whilethe
vehicle isin motion ,it could change position
unexpect edly.Thiscould cause youtolose
cont rolofthe vehicle. Thereisarisk ofan
accident . Steering
wheel
97Seats,steering wheelandmirrors
Z

ECO
star t/s top functi on
Intr odu ction The
ECO start /stopfun ction swit ches the
eng ineoffauto maticall yif th eveh icle isstop-
ped unde rcer tain condition s.
The enginestart sauto maticall ywhen the
driv erwant sto pull away again.The ECO
st art /stopfun ction thereb yhelps youto
reduc eth efuel consump tionand emis sionsof
your vehicle.
Imp ortant safety notes G
WAR
NING
If th eeng ineisswit ched off auto maticall y
and youexitth eveh icle,th eeng ineis
res tartedauto maticall y.The vehicle may
begin moving.Ther eis arisk ofacc iden tand
inj ury.
If you wish toexi tth eveh icle,always turn
off theign ition and secure theveh icle
again stroll ing away.
Gener alnot es 0043
ECO start /stopdispl ay
The ECO start /stopfun ction isact ivat ed
when everyoustart theeng ineusin gth e
Sm artKey ortheSt art /S topbutt on.
If th eeng inehas been switched off auto mati-
cally bytheECO start /stopfun ction ,th e00D6
ECO symb olisshow nin themult ifunction dis-
play.
Mer cedes -AMGvehi cles: theECO start /stop
fun ction isavailabl eon lyin driv epro gram 0065.
Aut oma ticengine switch-off If
th eveh icle isbrak edtoast ands tillwith the
tr ans miss ioninposit ion005Bor005C, theECO
st art /stopfun ction will swit choff theeng ine
auto maticall y. The
ECO start /stopfun ction isoper ational
when :
R theind icat orlamp intheECO buttonis lit
gre en
R theoff -road program isdeac tivate d
R theout side temper atureis with intheran ge
th at issuit able forthesyst em
R theeng ineisat norm aloper atingte mper a-
tur e
R theset temper aturefor theveh icle interio r
has been reached
R thebat tery issuff iciently ch arge d
R thesyst emdetectsth at thewind shieldis
no tfog ged upwhen theair- con dition ing sys-
te m isswit ched on
R thehood isclo sed
R thedriv er'sdoor isclo sed and thedriv er's
seat beltisfast ened
All oftheveh icle'ssyst ems remainactive
when theeng ineisstopped automaticall y.
The HOLD function can also beact ivat edifth e
eng inehas been switched off auto maticall y.It
is then notnec essar yto con tinue applyin gth e
brak esdurin gth eauto maticstop phase .When
you depr esstheacc eler atorpedal, theeng ine
st art sauto maticall yand thebrak ingeffect of
th eHO LD function isdeac tivate d.
Aut omat iceng ineswit ch-off can takeplac ea
max imum offour timesinarow (initial stop,
th en three subse quentst ops) .
Aut oma ticengine star t The
enginestart sauto maticall yif:
R you switchoff theECO start /stopfun ction
by pres singth eECO button
R in trans miss ionposit ion005Bor005C, thebrak e
pedal isrele ased andtheHO LD function is
no tact ive
R you depr esstheacc eler atorpedal
R you engage revers egear 005E
R you mov eth etrans miss ionout ofposit ion
005D
R you activat eth eoff -road program
R you unfasten your seatbeltoropen thedriv -
er' sdoor
R theveh icle start sto roll
R thebrak esyst emrequi resthis
R thete mper aturein theveh icle interio rdevi -
ate sfrom theset range Driv
ing
129Drivingand parking Z

The
electric parking brakeisnot automatically
applied ifthe engine isswitched offbythe
ECO start/stopfunct ion.
Releasing automat ically Your
vehicle's electricparking brakeisauto-
matically releasedifall ofthe following condi-
tions aremet:
R The engine isrunnin g
R The trans mission isin position 005Bor005E and
you depress theaccelerator pedalorshift
from position 005Dto005B or005E
R The seat beltisfasten ed
If the trans mission isin position 005E,thetail-
gate must beclosed.
If your seatbeltisnot fasten ed,the following
condit ionsmust befulfilled toautomatically
release theelectric parking brake:
R The driver's doorisclosed.
R You areshiftin gfrom transmission position
005D orhave previously drivenatspeeds
greater than2mph (3km/ h)
Ens ure that youdonot depress theaccelera-
tor pedal unintention ally.Otherwise, thepark-
ing brake willbereleased andthevehicle will
start tomove.
Emergency braking The
vehicle canalso bebraked duringan
emergenc yby using theelectric parking brake.
X While driving, pushhandle 0043ofthe electric
parking brake(Ypage 147).
The vehicle isbraked aslong asyou keep
handle 0043ofthe electric parking brake
pressed. Thelonger theelectric parking
brake handle 0043isdepressed, thegreater
the braking force.
During braking:
R awarning tonesounds
R the Release ParkingBrake Release
ParkingBrakemessage
appears
R the red 0049 (USAonly)or0024 (Canada
only) indicator lampinthe instr ument clus-
ter flashes
When thevehicle hasbeen braked toastand-
still, theelectric parking brakeisapplied. Park
ingthe vehicle foralong period
If you leave thevehicle parkedforlonger than
four weeks, thebattery maybedamaged by
exhaustive discharging.
If you leave thevehicle parkedforlonger than
six weeks, thevehicle maysuffer damage asa
result oflack ofuse.
X Visit aqualified specialist workshop and
seek advice.
i You
canobtain informationabout trickle
chargers fromaqualified specialist work-
shop. Driving
tips General
notes
Import antsafety notes G
WARNIN
G
If you switch offthe ignition whiledriving,
safety-relevan tfunct ionsareonly availab le
with limitations, ornot atall. This could
affect ,for example, thepower steerin gand
the brake boosting effect.You willrequire
considerably moreeffort tosteer andbrake.
There isarisk ofan accident .
Do not switch offthe ignition whiledriving. G
WARNIN
G
Mobile commun icationsequipment distracts
the driver fromtrafficcondit ions.Inaddi-
tion, thedriver couldlosecontrolofthe
vehicle. Thereisarisk ofan accident .
As adriver, usemobile commun ications
equipment onlywhen thevehicle isat a
standst ill.
As avehicle occupant ,use mobile commun i-
cations equipment onlyinthe designated
area, e.g.therear passenger compartment.
Observe thelegal requirement sfor the count ry
in which youaredriving. Somejurisdict ions
prohibit thedriver fromusing amobile phone
while driving avehicle.
If you make acall while driving, alwaysuse
hands-f reemode. Onlyoperate thetelephone 148
Driving
tipsDriving andparking

To
activate Active Distan ceAssist DISTRONIC,
all the following conditionsmust befulfilled:
R the engine mustbestart ed.Itmay take up
to two minutes ofdriving beforeActive Dis-
tanc eAssist DISTRONIC isready foruse.
R the electric parking brakemustbereleased.
R ESP ®
must beactive, butnot inter vening.
R Act ive Parking Assistmustnotbeactivated.
R the trans mission mustbeinposition 005B.
R the driver's doormust beclosed whenyou
shift from 005Dto005B oryour seatbeltmust
be fasten ed.
R the front -passenger doormust beclosed.
R DSR must bedeactivated.
R the vehicle mustnotskid.
Activating X Briefly pullthecruise controllever towards
you 0085,up0043 ordown 0044.
Act ive Distan ceAssist DISTRONIC isactiva-
ted.
X Keep thecruise controllever pressed up0043
or down 0044until thedesired speedisset.
X Remove yourfootfrom theaccelerator
pedal.
Your vehicle adaptsitsspeed tothat ofthe
vehicle infront ,but only uptothe desired
stored speed.
i If
you donot fully release theaccelerator
pedal, theAct. Distance AssistSus‐ Act.
Distance AssistSus‐
pended pended
message appearsinthe multifunc-
tion display .The setdistance toaslower-
moving vehicleinfront willthen notbe
maintained. Youwillbedriving atthe speed
you determin eby the position ofthe accel-
erator pedal.
Act. Distance AssistSuspended Act.
Distance AssistSuspendedYou can
also activate Active Distan ceAssist
DIS TRONIC whenstation ary.Thelowest speed
that canbeset is20 mph (30km/ h).
Dri vin gwit hAct ive Dist ance Assi st
DIST RONIC Act
ivating atthecur rent speed orlas t
st or ed speed G
WAR
NING
If you callup thest or ed spe edand itdif fers
fr om thecur ren tspe ed, theveh icle acc eler -
at es ordec eler ates. Ifyou donotkn ow the st
or ed spe ed, theveh icle co uld acceler ate
or bra keune xpec tedly. Thereisaris kof an
acc iden t.
Pay atte nt ion tothero ad and traff icco nd i-
ti on sbef orecal lingup thest or ed spe ed. If
you donotkn ow thest or ed spe ed, stor eth e
des iredspe edagain .
X Brief lypull thecr uise contro llev ertoward s
you 0085.
X Rem oveyour foot from theacc eler ator
peda l.
The first time Active Distanc eAs sis t
DI ST RON ICisact ivat ed, itstor es thecur ren t
spe edorreg ulat esthespe edoftheveh icle
to thepre viously stor ed spe ed.
Pu llin gawa yan ddr ivin g
X If
you wantto pullawa ywit hAct ive Dis-
ta nce Assi stDIST RONIC: rem oveyour foot
fr om thebra kepeda l.
X Brief lypull thecr uise contro llev ertoward s
you 0085.
or X If
Act ive Dist ance Assi stDIST RONICis
act ivated: acc eler atebri efly.
Your vehicle pulls away andadapt sits spe ed
to that oftheveh icle in fron t.Ifno veh icle is
det ectedin fron t,your vehicle acc eler ates
to theset speed.
The vehicle can also pullaway when itis fac ing
an uniden tifie dobs tacle or isdri vin gon adif -
fe ren tlin efrom another veh icle. The vehicle
th en bra kesaut omatically. Berea dytobra ke
at all times .
If th ere isno veh icle in fron t,Ac tive Distanc e
As sis tDI ST RON ICope rates inthesam eway
as cruise contro l.
If Ac tive Distanc eAs sis tDI ST RON ICdet ects a
slo wer -moving veh icle in fron t,itbra kesyour
veh icle. Inthis way, thedis tanc eyou have
sel ectedis main tained.
If Ac tive Distanc eAs sis tDI ST RON ICdet ects a
fas ter-mo vingveh icle in fron t,itincr ease sth e
dri vin gspe ed. Howev er,theveh icle ison ly
acc eler ated up tothespe edyou havest or ed.
i Ac
tive Distanc eAs sis tDI ST RON ICisdeac -
ti vat ed when youdepr essthebra ke,ex ce pt
when theveh icle isstat ion ary. Dri
ving systems
161Dr ivi ng andparki ng Z

Selec
tingthedrive progra m
Act ive Distanc eAssist DISTRONIC supportsa
sporty driving stylewhen youselect theS+
drive program (Ypage 138)orthe manual
drive program (Ypage 140). Acceleration
behind thevehicle infront ortothe setspeed
is then noticeably moredynamic. Ifyou have
selected theE(Mercedes-AMG vehicles:C)
drive program, thevehicle accelerates more
gently. Thissettin gis recommen dedinstop-
and-start traffic.
Changing lanes
If you want tochange tothe overtakin glane
on multi-lane roads,Active Distanc eAssist
DISTRONIC supportsyouif:
R you aredriving fasterthan45mph
(70 km/h)
R Act ive Distanc eAssist DISTRONIC ismain-
taining thedistance toavehicle infront
R you switch onthe appropriate turnsignal
R Act ive Distanc eAssist DISTRONIC doesnot
current lydetect adanger ofcollision
If these condition sare fulfilled, yourvehicle is
accelerated. Acceleration willbeinterrupt edif
changing lanestakes toolong orifthe dis-
tance between yourvehicle andthevehicle in
front becomes toosmall.
Stopping If Act ive Distanc eAssist DISTRONIC detects
that thevehicle infront isstopping, itbrakes
your vehicle untilitis stationary.
Once yourvehicle isstationary, itremains sta-
tionary andyoudonot need todepress the
brake.
i Aft
eratime, theelectric parking brake
secures thevehicle andrelieves theservice
brake.
i Depending
onthe specified minimum dis-
tance, yourvehicle willcome toastandst ill
at asufficient distancebehindthevehicle in
front .The specified minimum distanceisset
using thecont rolonthe cruise controllever. When
Active Distanc eAssist DISTRONIC is
activated, thetransm issionisshifted automati-
cally toposition 005Dif:
R the driver's seatbeltisnot fastened andthe
driver's doorisopen.
R the engine isswitched off,unless itis auto-
matically switchedoffbythe ECO start/
stop funct ion.
The electric parking brakeisapplie dautomati-
cally ifAct ive Distanc eAssist DISTRONIC is
active whenthevehicle isstationary and:
R asystem malfunction occurs.
R the power supply isinsufficient .
If amalfunction occurs,thetransm issionmay
also shift toposition 005Dautomatically.
Setting aspeed Keep
inmind thatitmay take abrief moment
until thevehicle hasaccelerated orbraked to
the speed set.
X Press thecruise controllever up0043 for a
higher speedordown 0044for alower speed.
X To
adj ust the setspeed in1mph incre-
ments (1km/h increments): brieflypush
the cruise controllever up0043 ordown 0044to
the pressure point.
The laststored speedincreases ordecrea-
ses in1mph (1km/h) incremen ts.
X To
adj ust the setspeed in5mph incre-
ments (10km/h increments): brieflypush
the cruise controllever up0043 ordown 0044
beyond thepressure point.
The laststored speedincreases ordecrea-
ses in5mph (10km/h) incremen ts.
i Act
ive Distanc eAssist DISTRONIC isnot
deactivated ifyou depress theaccelerator
pedal. Ifyou accelerate toovertake, Active
Distanc eAssist DISTRONIC adjuststhevehi-
cle's speed tothe last speed stored, after
you have finished overtakin g.
Setting aspecified minimum distance You
cansetthe specified minimum distance
for Active Distanc eAssist DISTRONIC byvary-
ing the time span between oneandtwosec-
onds. Thisdetermines thedistance thatActive
Distanc eAssist DISTRONIC isto maintain from
the vehicle infront ,depending onthe road
speed. Youcanseethis distance inthe multi-
funct iondisplay (Ypage 164). 162
Driving
systemsDriving andparking

in
fro nton the edge ofthe road because of
its narr owwidth. Thedistanceto the vehic le
in fro ntwill betoo shor t.
R Obst acles andstationar yvehic les:Active
Dist anceAss istDISTRON ICdoes notbrak e
for obst acles orstat ionar yvehic les.If,for
exam ple,thedete cted vehic leturn sa cor -
ner and anobst acle orstat ionar yvehic leis
reve aled, ActiveDist anceAss istDISTRON IC
will notbrak efor them.
R Ac tiveDist anceAss istDISTRON ICmay mis-
tak enly detectvehic lesthat arecrossin g
your lane. Ifyou activate ActiveDist ance
Ass istDISTRON ICunder thefollowin gcon di-
tion s,the vehic lecould pullaway uninten-
tion ally:
- at traffic lightswith crossin gtraffic ,for
exam ple
- ifthe reisavehic lein fro nt,aft eracro ss-
ing, with theHOL Dfunc tion activate d
In such situat ions,brak eif nec essary. Active
Dist anceAss istDISTRON ICwill thenbe deact i-
vate d. HOLD
function
Gener alnotes The
HOL Dfunc tion canassist thedrive rin the
followin gsituat ions:
R When pulling away,especiallyonsteep
slopes
R When maneuverin gon steep slopes
R When waitingin traffic
The vehic leiskept stationar ywitho utthe
drive rhavin gto depres sthe brak epedal.
The brak ingeffe ctiscan celed andtheHOL D
func tion deact ivatedwhen youdepres sthe
acc elerat orpedal topull away. Imp
ortant safety notes G
WARN
ING
If the vehic leisonly brakedusing theHOL D
func tion,the vehic lemay rollaway inthe fol-
lowing situationswhen youleave thevehi-
cle:
R ifthe reisamalfun ction inthe syst emor
in the voltage supply
R ifthe HOL Dfunc tion isdeact ivatedby
depres singtheaccelerat orpedal orbrak e
pedal, e.g.byavehic leocc upant
There isarisk ofan acc ident .
Always deactivatethe HOL Dfunc tion and
secur ethe vehic leagainst rollingaway
befor eyou leave it.
! When
ActiveDist anceAss istDISTRON IC
or the HOL Dfunc tion isact ivat ed, the vehi-
cle brak esautom atically incer tain situa-
tion s.
To avoid damage tothe vehic le,deact ivate
Ac tiveDist anceAss istDISTRON ICand the
HOL Dfunc tion inthe followin gor similar sit-
uation s:
R when towingthe vehic le
R in the carwash
Deac tivate the HOL Dfunc tion (Ypage 166).
Activa tioncondit ions You
canactivat ethe HOL Dfunc tion if:
R the vehic leisstat ionar y
R the engin eis runn ingorifit has been auto-
matic allyswitc hedoffbythe ECO start/
sto pfunc tion
R the drive r'sdoor isclos edoryour seatbelt
is fast ened
R the elect ricpark ingbrak eis released
R Ac tiveDist anceAss istDISTRON ICisdeact i-
vat ed
R the transm ission isin posit ion005B, 005Eor005C
on vehic leswith autom atictransm ission Driving
systems
165Driving andparking Z