2020 MERCEDES-BENZ GLA SUV parking brake

Have
brakepads insta lled and brakefluid
repl aced ataqu alifi ed spe cialist wor kshop .
If the brakesys tem hasonly beensub ject to
mode rateloads, youshou ldtest thefunctio n-
al ity ofyour bra kes atregu larinterva ls.
You canfind ades crip tion ofBrake Assist
(BAS) on(Ypage 61).
Merce des-Benz recomm endsthatyouonly
hav ebra kepads/l ining sinsta lled on your vehi -
cle whichhav ebee nap prove dfor Merce des-
Benz vehicles orwhi chcorres pondtoan
equ ivalent quality standa rd.Brake pads/
li nings whichhav enot beenap prove dfor
Merce des-Benz vehicles orwhi chare not ofan
equ ivalent quality coul daffe ctyour vehi cle's
ope ratingsafe ty.
Merce des-Benz recomm endsthatyouonly use
bra kefluidthat hasbeenspe cially ap prove d
for your vehi clebyMerce des-Benz, orwhi ch
corres pondsto an equ ivalent quality standa rd.
Brake fluidwhi chhas notbeenap prove dfor
Merce des-Benz vehicles orwhi chisnot ofan
equ ivalent quality coul daffe ctyour vehi cle's
ope ratingsafe ty.
Che cking brake linin gthic kness You
canmea surethe brea kpa d/li ning thick-
ness using atest gage.Col or-cod ing(gre enor
red) onthe test gageallow syo uto dete rmine
whe ther thebrakepad/li ning thickness isstil l
suff icient.The test gageis in the vehi cledocu -
ment wallet inthe glovebox. Front
wheel Re
ar whe el
X Bring thevehi cleand wheelsinto asui tabl e
pos itionso that youcan attach testgage
0083.
X Secur ethe vehi cleaga inst rolling away
(Y page 145 ).
X Engage park pos itionP.
X Swi tch offthe engi ne.
X Pla cetest gage0083 betw eenthewhe el's
spo kes onbra kepad/li ning 0087.
X Hold testgage0083 vertica lly on bra ke
dis c0043 and slide mea suring pin 0044onto
bra kedisc0043.
X Che ckwhi chcolo rfiel d0085 the arro won
mea suring pin 0044ispoi nting to.
Gree n:the brakepad/li ning thickness is
suff icient.
Red: thebrakepad/li ning thickness isnot
suff icient.Have thebrakepads/l ining
checked ataqu alifi ed spe cialist wor kshop .
To avo idan inaccura temea surement:
R make sureyo upos itionthe whe elssuitabl y
R do not putthe mea suring pin onareces sin
the brakedisc Dri
vin gon wetroads
Hydropl aning If
the roadsur face iswet, hydropl aning may
occur dependi ngon water level, spe edand tire
tread depth. 152
Dri
vin gtipsDri vin gand parking

G
WARNING
Flamma blemateria lsuch aslea ves, grass or
twigs mayignite ifthey come intocontact
with hotparts ofthe exhau stsystem. There
is arisk offire.
When drivingon anunpa vedroad oroff-
road ,check thevehicl eunders ideregu larly.
In particu lar,remove trappedpla ntparts or
other flamma blemateria l.Contact aqua li-
fied speci alist worksho pimmed iatelyif dam-
age isdetected.
! There
isarisk ofdama getothe vehicl eif:
R the vehicl ebecome sstuck, e.g.onahigh
curb oran unpa vedroad
R you drive toofast over anobstacl e,e.g. a
curb, aspee dbump orapothol ein the
road
R ahea vyobject strikes theunderb odyor
parts ofthe chassi s
In situa tions likethis, thebody ,the under-
body ,chassi sparts, wheelsor tires couldbe
dama gedwitho utthe dama gebeing visib le.
Comp onents damagedinthis way canunex-
pectedl yfail or,inthe case ofan accide nt,
no longer withsta ndthe loadsthey are
desi gned to.
If the underb odypanel ingisdama ged,com-
bus tible materia lssuch aslea ves, grass or
twigs cangather betweenthe underb ody
and theunderb odypanel ing.Ifthese materi-
als come incontact withhotparts ofthe
exhau stsystem, theycancatch fire.
In such situations, havethevehicl echecked
and repa iredimmed iatelyat aqua lified spe-
cial istworksho p.Ifon continuing yourjour-
ney you notice thatdrivingsafety is
impa ired,pul lover andstop thevehicl e
immed iately,pay ing attention toroad and
traffic conditions. Insuch cases, consult a
qua lified speci alist worksho p.
The vehicl eis only designed foreasi lynegotia -
ble off-road terrainandpoor roadsurfaces.
When drivingoff-road ,sub stances suchas
sand, mudandwate ror wate rmixed withoil
may getinto thebrakes .This couldresu ltin a
redu cedbraki ngeffect orintotal brake failure
and alsoin increas edwea rand tear. Thebrak-
ing chara cteristics changedepending onthe
materia lentering thebrakes .Cle anthe brakes
after drivingoff-road .If you detect aredu ced braki
ngeffect orgrindi ngnoises ,have the
brake system checked inaqua lified speci alist
worksho pas soon aspossi ble.Adapt your
drivi ngstyle tothe differ entbraki ngchara cter-
istics.
Driving off-road increasesthe likel ihoo dof
dama getothe vehicl e,whi ch, inturn, canlead
to fail ure ofthe mechani calasse mbly orsys-
tems. Adapt yourdrivi ngstyle tosui tthe ter-
rain conditions. Drivecarefu lly.Have damage
to the vehicl erectified immediatelyat aqua li-
fied speci alist worksho p.
Do not shift intotransmissi onposi tion 005C
when drivingoff-road .You couldlose control
of the vehicl eif you attempt tobrake thevehi-
cle using the service brake.Ifthe grad ientis
too steep foryou rvehicl e,drive backdownin
reverse gear.
Gene ralnote s H
Envi
ronmental note
Protection ofthe environment isof prima ry
importa nce.Treatnature withrespe ct.
Observe allprohi biting signs.
Rea dthis section carefullybefore drivingyou r
vehicl eoff-road .
Off-road drivingisonly possi blewith the
ON&OFFROAD package.
The followi ngdrivi ngsystems arespeci ally
ada pted fordrivi ngover easilynegotia bleoff-
road terrain:
R Off-road program(Y pag e170)
R Off-road ABS(Ypag e60)
R Off-road 4ETS(Ypag e64)
R Off-road ESP®
(Y pag e66)
R DSR (Downhi llSpeed Regulation)
(Y pag e169)
Observe thefollowi ngnotes:
R Stop thevehicl ebefore starting todrive
alo ng anoff-road route.Ifnecessa ry,acti-
vate theoff-road program(Y pag e132) .
R To avoi ddama gingthevehicl e,make sure
there isalw ayssuffi cient groundclea rance.
R Che ckthat items oflug gage andloadsare
stowed safelyand arewellsecure d
(Y pag e256).
R Alwa yskeep theengine running andingea r
when drivingon adow nhill gradient. Acti-
vate DSR (Ypag e169) . 154
Drivi
ngtipsDrivi ngand parking

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

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

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

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