ESP MERCEDES-BENZ GLA 2020 Manual PDF

R
Activa teDSR. Ifthi sis not sufficie nt, bra ke
gen tly.Whe ndo ing so,makesure tha tthe
veh icleis fac ing inthe directi onofthe line
of fall.
R Ch eck thatthe brakes arewo rking norma lly
afte ra long downh ill stre tch.
Off-r oadABS isacti vated when the off-r oad
pro gramissel ecte d.
At spe edsbe low 18 mph (30km/h ),the front
wh eelslock cyc lical lydu ring braking .The dig-
gi ng-i neffe ctach ieved inthe proces sred uce s
the stop ping dista nce onoff-r oadterra in.The
stee rability of the vehicleis consi derably
red uce difthe wheelslock. Dri
ving sys tems Crui
secontro l
Ge neral notes Cr
uise contro lma inta insaconsta ntroa d
spe edfor you. Itbra kes automa tically in ord er
to avoid exce eding the setspeed.On long and
stee pdo wnh ill gra dients, especially ifthe vehi-
cle islade n,youmu stsel ect alow gea rin
goo dtime .Yo unee dto shi ftma nua lly us ing
the stee ring wheelpa dd leshi fters before hand.
By doing so,youwi llma keuseof the braking
effe ctof the engine.Thi srel ieves theload on
the brakesystem andprevents thebrakes
from overheating and wearing too quickl y.
Whe nthe engineisrunning ,yo ucan usethe
cru ise contro lle ver tolimit the speedtoany
spe edbetwe en20 mph (30km/h )and the
tech nically pe rmi tted maximu mspe edofthe
veh icle.
Use cruise contro lif roa dand trafficcond i-
tio ns ma keitap pro priate toma inta inastea dy
spe edfor apro longe dpe rio d.
The speedindicated inthe speedome termay
di ffer slig htl yfrom thespeedstor ed.
Impo rtant safetynotes If
yo ufai lto adaptyo ur driving style,cru ise
contro lcan neither reduce theriskof an acci -
de nt nor override the laws ofphy sics. Cruise
contro lcanno ttake intoacco unttheroad,
traf ficand weath ercond itions. Cruise contro l
is onl yan aid. Yo uar eres ponsi ble for the dis-
tance tothe vehiclein front, forveh iclespe ed, for
braking ingoo dtime andforstaying inyour
la ne.
Do not usecru ise contro l:
R in roa dand trafficcond itions which donot
al lo w yo uto ma inta inaconsta ntspe ed,e.g .
in hea vytraf ficoron windi ng roa ds
R on slip pe ry roa dsu rfa ces .Bra king oracce l-
era ting couldcau sethe drive wheelsto lose
trac tionand thevehiclecou ldthen skid
R in po or vis ibility ,e.g .du eto fog ,hea vyrain
or snow
If ther eis acha nge ofdri ver s,ad vis ethe new
dri ver ofthe speedstor ed.
Crui secontro lle ve r 0043
Activa tesorincr eases speed
0044 Activa tesorred uce sspe ed
0087 Dea ctiva tescruise contro l
0085 Activa tesatthe current speedorlast
stor edspe ed
Whe nyo uacti vate cru ise contro l,the stor ed
spe edissho wninthe multifu nctio ndispl ayfor
fiv esec ond s.
Ac tiv atio nco ndi tions To
acti vate cru ise contro l,allof the followi ng
acti vatio ncond itions mustbe fulfilled :
R the electri cpa rking brakemu stbe released .
R ESP ®
mu stbe acti ve,butnot intervening .
Sto ring,main tainingand calling up a
spe ed Sto
ringand main tainingthe curren t
spe ed
Yo ucan storethe current speedifyo uar e
dri ving faster than20 mph (30km/h ). Dri
ving sys tems
157Dr ivi ng andparki ng Z

X
Accel eratethe vehicleto the desired speed.
X Bri eflypre ssthe cruise contro lle ver up0043
or down 0044.
X Re move your foo tfrom theacce lera tor
pe dal.
Cr uise contro lis acti vated .The vehicleau to-
ma tica lly ma inta insthe stor edspe ed.
i Cr
uise contro lma ybe una ble to ma inta in
the stor edspe edon uphillgra dients. The
stor edspe edisres um edwhen the gradient
eve nsout.Cr uise contro lma inta insthe
stor edspe edon downh ill gra dients byauto-
ma tica lly ap plying the brakes.
Sto ringthe curren tspe edorcal ling up
the laststo red speed G
WA
RNING
If yo ucal lup the stor edspe edand itdiffer s
from thecurrent speed,the vehicleacce ler-
ate sor decel era tes. Ifyo udo not know the
stor edspe ed,the vehiclecou ldacce lera te
or bra keune xpected ly.The reisaris kof an
acci dent.
Pa yatte ntionto the roadand trafficcond i-
tio ns before calling up the stor edspe ed.If
yo udo not know thestor edspe ed,stor ethe
de sired speedagain.
X Bri eflypu llthe cruise contro lle ver towards
yo u0085.
X Re move your foo tfrom theacce lera tor
pe dal.
The first time cruise contro lis acti vated ,it
stor esthe current speedorreg ulate sthe
spe edofthe vehicleto the previouslystor ed
spe ed.
Se ttin gaspe ed Kee
pin mind thatit ma ytake abri efmome nt
unti lthe vehicleha sacce lera ted orbra ked to
the speedset.
X To
adjust thesetspe edin5mph incre -
men ts(10km/h incre men ts):bri efly
pre ssthe cruise contro lle ver up0043 past the
pre ssu repoint for ahighe rspe ed,or
do wn 0044for alowe rspe ed.
X To
adjust thesetspe edin1mph incre -
men ts(1 km/h incre men ts):bri eflypre ss
the cruise contro lle ver up0043 tothe pres- su
re point for ahighe rspe ed,or down 0044
for alowe rspe ed.
i Cr
uise contro lis not deacti vated ifyo u
de pre ssthe acce lera tor pedal.For exampl e,
if yo uacce lera te bri eflyto ove rtake ,cru ise
contro lad jus tsthe vehicle's spe edtothe
la st spe edstor edafte ryo uha ve fini she d
ove rtaki ng.
De acti vati ngcrui secontro l The
rearesev eralwa ystodeacti vate cru ise
contro l:
X Bri eflypre ssthe cruise contro lle ver for-
wa rds 0087.
or X Bra ke.
Cr uise contro lis au toma tically de acti vated if:
R the vehicleis sec ured with the electri cpa rk-
ing brake
R youar edri ving atless tha n20 mph
(30 km/h )
R ESP ®
inte rvenes oryoude acti vate ESP ®
R youshi ftthe trans mission topositio n005C
wh ile dri ving
If cru ise contro lis de acti vated ,yo uwi llhea ra
wa rning tone. Youwi llsee theCruise Con‐ Cru
ise Con‐
tro lOff tro
lOff message inthe multifu nctio ndis-
pl ay for appro xima telyfiv esec ond s.
i Whe
nyo usw itch offthe engine,the last
spe edstor ediscle ared . Ac
tiv eDi stan ceAssist DISTRO NIC
Ge neral notes Active
Distance AssistDISTR ONICreg ulate s
the speedand automa tically hel psyouma in-
tai nthe dista nce from thevehiclede tecte din
front. Vehicles arede tecte dwi th the aid of the
ra da rsens orsystem .Active Distance Assist
DISTR ONICbra kes automa tically to avoid
exce eding the setspeedortoma inta inthe
de signa ted dista nce from thevehiclein front.
If Active Distance AssistDISTR ONICde tects
tha tther eis aris kof acol lisi on with the vehi-
cle infront, youwi llbe warned visually and
au dibly. Active Distance AssistDISTR ONIC
canno tpre vent acol lisi on withou tyo ur inte r-
venti on.Aninte rmittent warning tonewillthen 15
8 Dri
ving sys temsDrivi ng andparki ng

sound
andthedistance warninglampwilllight
up inthe instrument cluster.Brakeimmedi-
ately inorder toincrease thedistance tothe
vehicle infront ortake evasive actionprovided
it is safe todo so.
Act ive Distance AssistDISTRONIC operatesin
the speed rangebetween 0mph (0km/h) and
120 mph (200km/h) .
Change intoalower gearingood timeonlong
and steep downhill gradients. Thisisespeciall y
important ifthe vehicle isladen. Bydoing so,
you willmake useofthe braking effectofthe
engine. Thisrelieves theload onthe brake sys-
tem andprevents thebrakes fromoverheating
and wearing tooquickly.
Do not use Active Distance AssistDISTRONIC
on roads withsteep gradients.
For Active Distance AssistDISTRONIC to
assist youwhen driving, theradar sensor sys-
tem must beoperational.
As Act ive Distance AssistDISTRONIC trans-
mits radar waves, itcan resemble theradar
detectors ofthe responsible authorities.You
can refer tothe relevant chapterinthe Opera-
tor's Manual ifquestions areasked aboutthis.
i USA
only: Thisdevice hasbeen approved
by the FCC asa"Vehicul arRada rSystem".
The radar sensor isintended foruse inan
automotive radarsystem only.Removal,
tampering, oraltering ofthe device willvoid
any warranties, andisnot permitted bythe
FCC. Donot tamper with,alter, oruse inany
non- approved way.
Any unauthorized modificationtothis device
could voidtheuser's authority tooperate
the equip ment.
i Canada
only:Thisdevice complies with
RSS-21 0of Industry Canada.Operation is
subject tothe followi ngtwo conditions:
1. This device maynotcause interferen ce,
and
2. This device mustaccept anyinterferen ce
received, includinginterferen cethat may
cause undesired operationofthe device.
Removal, tampering, oraltering ofthe
device willvoid anywarranties, andisnot
permitted. Donot tamper with,alter, oruse
in any non- approved way.
Any unauthorized modificationtothis device
could voidtheuser's authority tooperate
the equip ment. Importa
ntsafety notes G
WARNING
Act ive Distance AssistDISTRONIC doesnot
react to:
R people oranimals
R stationary objectsinthe road, e.g.stop-
ped orparked vehicles
R oncoming vehiclesandcrossing traffic
As aresult, Active Distance Assist
DISTRONIC mayneither givewarnings nor
intervene insuch situations. Thereisarisk
of an accident.
Always paycareful attentiontothe traffic
situation andbeready tobrake. G
WARNING
Act ive Distance AssistDISTRONIC cannot
alwa ysclearly identify otherroadusers and
complex trafficsituations.
In such cases, Active Distance Assist
DISTRONIC can:
R give anunnecessary warningandthen
brake thevehicle
R neither giveawarning norintervene
R accelerate orbrake unexpectedly
There isarisk ofan accident.
Continue todrive carefully andbeready to
brake, especial lyifAct ive Distance Assist
DISTRONIC warnsyou. G
WARNING
Act ive Distance AssistDISTRONIC brakes
your vehicle withupto50% ofthe maximum
possible deceleration. Ifthis deceleration is
not sufficient, Active Distance Assist
DISTRONIC alertsyouwith avisual and
acoustic warning. Thereisarisk ofan acci-
dent.
Adjust yourspeed inthese cases andmain-
tain sufficient distance.
Apply thebrakes yourselfand/or takeeva-
sive action. Driving
systems
159Drivingandparking Z

!
When
Active Distance AssistDISTRONIC
or the HOLD function isactivated, thevehi-
cle brakes automaticall yin certain situa-
tions.
To avoid damage tothe vehicle, deactivate
Act ive Distance AssistDISTRONIC andthe
HOLD function inthe followi ngorsimila rsit-
uations:
R when towing thevehicle
R in the carwash
Act ive Distance AssistDISTRONIC canneither
reduce therisk ofan accident ifyou failto
adap tyour driving style,noroverride thelaws
of physics. Active Distance AssistDISTRONIC
cannot takeintoaccount road,weather ortraf-
fic conditions. Active Distance Assist
DISTRONIC isonly anaid. You areresponsible
for the distance tothe vehicle infront ,for
vehicle speed,forbraking ingood timeandfor
staying inyour lane.
Do not use Active Distance AssistDISTRONIC:
R In road andtraffic conditions whichdonot
allow youtomaintain aconst antspeed, e.g.
in heavy traffic oron winding roads
R On slippe ryroad surfaces. Brakingoraccel-
erating couldcause thedrive wheels tolose
traction andthevehicle couldthenskid
R In poor visibil ity,e.g. due tofog, heavy rain
or snow
Act ive Distance AssistDISTRONIC maynot
detect narrow vehicles drivinginfront ,e.g.
motorcycles, orvehicles drivinginastaggered
formation.
In particular, thedetection ofobstacles canbe
impaired if:
R There isdirt onthe sensors oranything else
covering thesensors
R There issnow orheavy rain
R There isinterferenc eby other radarsources
R There arestrong radarreflections, forexam-
ple inparking garages
If Act ive Distance AssistDISTRONIC nolonger
detects avehicle infront ,Distance Pilot
DISTRONIC mayunexpectedly accelerateto
the speed stored. This
speed may:
R Be too high ifyou aredriving inaturning
lane oran exit lane
R Be sohigh when driving inthe right-hand
lane thatyouovertake vehiclesinthe left-
hand lane
R Be sohigh inthe left lane thatyoupass
vehicles drivingonthe right
If there isachange ofdrivers, advisethenew
driver ofthe speed stored.
Cruise control lever 0043
Tostore thecurrent speedorahigher
speed
0044 Tostore thecurrent speedoralower
speed
0087 Todeactivate Active Distance Assist
DISTRONIC
0085 Tostore thecurrent speedorcalls upthe
last stored speed
0083 Toset aspecified minimum distance
Activating ActiveDistance Assist
DISTRONIC Activation
conditions
! When
Active Distance AssistDISTRONIC
or the HOLD function isactivated, thevehi-
cle brakes automaticall yin certain situa-
tions.
To avoid damage tothe vehicle, deactivate
Act ive Distance AssistDISTRONIC andthe
HOLD function inthe followi ngorsimila rsit-
uations:
R when towing thevehicle
R in the carwash 160
Driving
systemsDriving 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

The
specified minimum distancecanbe
changed whileActive Distan ceAssist
DIS TRONIC isswitched onoroff.
i Make
surethatyoumaintain theminimum
distance tothe vehicle infront asrequired
by law. Adjust thedistance tothe vehicle in
front ifnecessary. X
To increase: turncontrol0087 indirec-
tion 0044.
Act ive Distan ceAssist DISTRONIC then
maintains agreater distance between your
vehicle andthevehicle infront .
X To decrease: turncontrol0087 indirec-
tion 0043.
Act ive Distan ceAssist DISTRONIC then
maintains ashorter distance between your
vehicle andthevehicle infront .
Deactivating ActiveDistance Assist
DISTRONIC There
areseveral waystodeactivate Active
Distan ceAssist DISTRONIC:
X Briefly pressthecruise controllever for-
wards 0043.
or X Brake, unless thevehicle isstation ary. X
Briefly pressthecruise controllever for-
wards 0043.
or X Brake, unless thevehicle isstation ary.
When youdeactivate Active Distan ceAssist
DIS TRONIC, theActive Distance Assist Active
Distance Assist
Off Off
message appearsonthe multifunct iondis-
play forapproximately fiveseconds.
i The
lastspeed stored remains storeduntil
you switch offthe engine. Active Distan ce
Assist DISTRONIC isnot deactivated ifyou
depress theaccelerator pedal.
Act ive Distan ceAssist DISTRONIC isautomati-
cally deactivated if:
R you engage theelectric parking brakeorif
the vehicle isautomatically securedwiththe
electric parking brake
R ESP ®
inter venes oryou deactivate ESP®
R the trans mission isin position 005D,005Eor005C
R you pull thecruise controllever towards you
in order topull away andthefront -
passenger doororone ofthe rear doors is
open
R the vehicle isskidding
R you activate Active Parking Assist
If Act ive Distan ceAssist DISTRONIC isdeacti-
vated automatically, youwillhear awarning
ton e.You willsee theActive Distance Active
Distance
Assist Off Assist
Offmessage onthe multifunct iondis-
play forapproximately fiveseconds.
Act ive Distan ceAssist DISTRONIC isalso auto-
matically deactivated whenyouactivate DSR.
The 00C6 DSRsymbol appears inthe multi-
funct iondisplay . Driving
systems
163Drivingandparking Z

Acti
veDist ance AssistDIST RONIC dis-
pla ysintheinst rumen tclus ter Disp
laysin thesp eedo meter When
Active Distanc eAs sis tDI ST RONI Cis
act ivat edand there arenoveh icles det ectedin
fr on t,on eor two segmen ts0044 intheset
spee dran geligh tup.
If Ac tive Distanc eAs sis tDI ST RONI Cdet ects a
veh iclein fron t,seg men ts0044 from spee dof
th eveh iclein fron t0087 tostore dspee d0043 ligh t
up.
i Fo
rdesi gnreas ons,thespee ddisp layed
on thespee dometer may differ slig htly from
th espee dset forActive Distanc eAs sis t
DI ST RONI C.
Disp laywhen ActiveDist ance Assist
DIST RONIC isdea ctivated
In theAs sis tan cemen u(Y page 196)ofthe
on -board comput er,you can selecttheassi s-
tan cedisp lay. 0043
Veh iclein fron t,ifdet ected
0044 Distanc eind icat or,curren tdist anceto the
veh iclein fron t
0087 Specifie dmin imum distanceto theveh icle
in fron t;adj ust able
0085 Your vehicle X
Se lec tth eAss istanceGra phic Ass
istanceGra phicfun ction
usin gth eon -board comput er(Y page 197).
Disp laywhen ActiveDist ance Assist
DIST RONIC isact ivated
You willinitially see thest ore dspee dfor
appr oximat elyfivesec onds when youactivat e
Ac tive Distanc eAs sis tDI ST RONI C. 0043
Veh iclein fron t,ifdet ected
0044 Specifie dmin imum distanceto theveh icle
in fron t;adj ust able
0087 Your vehicle
0085 Active Distanc eAs sis tDI ST RONI Cact ive
(t ex ton lyappear swhen thecr uise control
lev erisact uate d)
X Se lec tth eAss istanceGra phic Ass
istanceGra phicfun ction
usin gth eon -board comput er(Y page 197).
Ti ps for drivin gwith ActiveDist ance
Assis tDIST RONIC Gene
ralnot es
Pay particularatt ention inthefol lowin gtraff ic
sit uati ons:
R Corn ering,en terin gand exiting aben d:the
abilit yof Active Distanc eAs sis tDI ST RONI C
to det ectveh icles on ben dsislimi ted. Your
veh iclemay brakeune xpec tedly orlate.
R Veh icles drivin gin ast agge redformat ion:
Ac tive Distanc eAs sis tDI ST RONI Cmay not
det ectveh icles that are notdri vin gin the
midd leof their lanes. The distanceto the
veh iclein fron twill betoosho rt.
R Ot her vehicles chang inglane:Ac tive Dis-
tan ceAssis tDI ST RONI Chas notdet ected
th eveh iclecut ting inyet .The distanceto
th is veh iclewill betoosho rt.
R Nar row vehicles: Active Distanc eAs sis t
DI ST RONI Chas notyet detectedth eveh icle 164
Driv
ingsystem sDriv ingand parki ng

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

Acti
vating theHOLD funct ion X
Mak esur eth at theact ivat ion cond ition sare
met .
X De pre ssthebrak epedal .
X Quic klydepr essthebrak epedal further
unt il0043 appear sin themult ifunction dis-
play.
The HOLD function isact ivat ed. You can
rel ease thebrak epedal .
i If
depr essing thebrak epedal thefir st time
does notact ivat eth eHO LD function ,wait
bri eflyand then try again .
Deact ivating theHOLD funct ion The
HOLD function isdeac tivat ed auto mati-
call yif:
R you acceler ate.On veh icles wit hauto matic
tr ans mis sion :on lywhen thetrans mis sion is
in pos ition 005Bor005E.
R thetrans mis sion isin pos ition 005Donveh i-
cle swit hauto matictrans mis sion .
R you depr essthebrak epedal againwitha
ce rtain amou ntofpre ssur eunt il0043 disap -
pear sfrom themult ifunction disp lay.
R you activat eAc tive Distanc eAs sis t
DI ST RONI C.
R you secure theveh icleusin gth eelec tric
park ingbrak e.
i Af
tera time, theelec tric park ingbrak e
sec ures theveh icleand reliev es theser vice
brak e.
When theHO LD function isact ivat ed, the
tr ans mis sion isauto maticallyshif tedto pos i-
ti on 005D if:
R thedri ver 'sseat beltisno tfas tene dand the
dri ver 'sdoor isopen
R theen gin eis swit ched off,unl ess itis auto -
mat icallyswit ched off bytheECO start /
st op fun ction The
electric park ingbrak esec ures theveh icle
auto maticallyifth eHO LD function isact ivat ed
when theveh icleis stati onary and:
R asyst emmalf unction occur s
R thepowe rsupp lyisins ufficien t St
art-off Assis t(excep tMer cedes -
AMG vehicles)
Imp ortant safety notes G
WAR
NING
If you usestart -off assi st,ind ivid ual whee ls
may start tospin andtheveh iclemay skid. If
ES P®
is deac tivat ed, there isagre aterdan -
ger ofskiddin gand having anacc iden t.
Mak esur eth at no per son sor obs tacles are
in thevic inity of theveh icle.
St art -off assi stenables optimum acceler ation
fr om ast and still. Forth is, asuit ably high-grip
road surfaceis req uire dand theveh icleand
ti res mus tbe ingoo dwor king ord er.
Do notact ivat est art -off assi ston public roads.
Obs erveth esaf etyno teson drivin gsaf etysys-
te ms (Ypage 60).
Be sureto read thesaf etyno tesand inform a-
ti on on ESP®
(Y page 63).
Acti vating star t-off ass ist X
De act ivat eES P®
(Y page 197).
X Turn thest eer ing whee lto thest raig ht-
ahead position .
X Fir mly depr essthebrak epedal withyour left
foo tand keep itdepr essed.
X Sh ift thetrans mis sion topos ition 005B.
X Use theDY NA MIC SELECT but tonto sele ct
th eS dri ve pro gram (Ypage 132).
X Quic klydepr esstheacc eler atorpedal fully.
X Tak eyour footoff thebrak e,but keep the
acc eler atorpedal depressed.
The vehiclepulls away atmax imum acceler -
ati on.
i Ac
tivat eES P®
as soo nas theacc eler ation
pro cess has ended. ESP®
will other wise not
be able tostabiliz eth eveh icleif th eveh icle
st art sto skid or awhee lst art sto spin . 166
Driv
ingsystem sDriv ingand parki ng

Canc
elingst art -off assis t
X Remo veyour footfr om theacc eler ator
pedal.
X React ivateES P®
. RACE
START (Mer cedes -AMGvehi -
cles)
Imp ortant safety notes i
RACE
START must notbe used onnorm al
road s.RACE START must onlybe act ivat ed
and used ondedic atedroad circuit s,out side
of public roaduse.
i RACE
START ison lyavailab lein
Mer cedes‑AM Gveh icles. G
WAR
NING
If you useRACE START ,ind ivid ual tires may
st art tospin andtheveh icle could skid.
De pen dingon thesele cted ESP®
mod e,
th ere isan increas edriskof skiddin gand
havi nganacc iden t.Mak esure that no per -
son s,anim alsorobst aclesare within range
of theveh icle.
RACE START enables optimal acceler ation
fr om ast and ingstart .For this, asuit ably high-
grip road surface isreq uired andtheveh icle
and tires must beingood workingorder.
i Obse
rveth esafe tyno teson driv ingsafe ty
syst ems (Ypage 60).
Be sure toread thesafe tyno tesand infor-
mat iononESP®
(Y page 63).
Cond itions foractivation You
canactivat eRACE START if:
R thedoor s,hood andthetrunk lidare closed.
R theen gin eis run ningand thetrans mis sion ,
all- wheel driveclut chand theen gin eare at
oper atingte mper ature.
R thest eer ing wheel isin thest raigh t-ahead
posi tion.
R theveh icle isstatio naryand thebrak epedal
is depr essed(lef tfoo t).
R thetrans mis sion isin posi tion005B.
R driv epro gram S,S+ orRACE issele cted
(Y page 133) Activ
ating RACE START X
De pre ssthebrak epedal withyour leftfoot
and keep itdepr essed.
X Pull and hold bothsteer ing wheel paddle
shif ters.
X The RACESTA RTConfirm:Paddle UP RAC
ESTA RTConfirm:Paddle UP
Can cel:Pad dle DOWN Can
cel:Pad dle DOWNmes sage appear sin
th emult ifunction displ ay.
X Release bothsteer ing wheel paddle shifters.
i If
th eact ivat ion condi tions are nolonger
fulf illed, RACE START iscan celed. The
RAC ESTA RTNot PossibleSee Opera‐ RAC
ESTA RTNot PossibleSee Opera‐
tor 'sManual tor
'sManual message appear sin themul-
tif unc tiondispl ay.
X To cancel :pull theleft steer ing wheel pad-
dle shifter(Y page 140).
or X To confi rm:pull therigh tst eer ing wheel
paddle shifter(Y page 140).
The RACESTA RTAvailable Depress RAC
ESTA RTAvailable Depress
gas pedal gas
pedalmes sage appear sin themult i-
fun ction displ ay.
i If
you donotdepr esstheacc eler atorpedal
wit hin afew seconds, RACE START iscan -
cel ed. The mult ifunction displ aysho wsthe
RAC ESTA RTCanceled RAC
ESTA RTCanceledmes sage.
X Fully depresstheacc eler atorpedal.
The engin espee dis inc reas ed.
The RACESTA RTReleasebra keto RAC
ESTA RTReleasebra keto
sta rt sta
rtmes sage appear sin themult ifunction
displ ay.
i If
you donotrele ase thebrak epedal
wit hin asho rttim e,RACE START willbecan -
cel ed. The mult ifunction displ aysho wsthe
RAC ESTA RTCanceled RAC
ESTA RTCanceledmes sage.
X Tak eyour footoff thebrak e,but keep the
acc eler atorpedal depressed.
The vehicle pulls away atmax imum acceler -
atio n.
The RACESTA RTActive RAC
ESTA RTActive message appear s
in themult ifunction displ ay.
RACE START isdeac tivate dwhen theveh icle
reac hesaspee dof appr oximat ely50km/h.
RACE START isdeac tivate dimm ediat elyifyou
rele ase theacc eler atorpedal duringRACE
ST ART orifany oftheact ivat ion condi tions are
no longer fulfilled. TheRACESTA RTNot Pos‐ RAC
ESTA RTNot Pos‐
sib leSee Operator'sMan ual sib
leSee Operator'sMan ual orRAC E RAC
E
STA RTCanceled STA
RTCanceledmes sage appear sin themul-
tif unc tiondispl ay. Driv
ingsyst ems
167Drivingand parking Z