Page 153 of 310

The
ability ofAct ive Distan ceAssist
DIS TRONIC todetect vehicles whencornering
is limited. Yourvehicle maybrake unexpect -
edly orlate.
Vehicles traveling onadiffer entline Act
ive Distan ceAssist DISTRONIC maynot
detect vehicles thatarenot driving inthe mid-
dle oftheir lane. Thedistance tothe vehicle in
front willbetoo short.
Other vehicles changing lanes Act
ive Distan ceAssist DISTRONIC hasnot
detect edthe vehicle cuttinginyet. Thedis-
tanc etot his vehicle willbetoo short.
Nar row vehicles Act
ive Distan ceAssist DISTRONIC hasnotyet
detect edthe vehicle infront onthe edge of
the road because ofits narrow width.Thedis-
tanc etot he vehicle infront willbetoo short.
Obstru ctionsandstationary vehicles Act
ive Distan ceAssist DISTRONIC doesnot
brake forobstacles orstation aryvehicles. If,
for example, thedetect edvehicle turnsacor-
ner and anobstacle orstation aryvehicle is
revealed, Active Distan ceAssist DISTRONIC
will notbrake forthem.
Crossing vehicles Act
ive Distan ceAssist DISTRONIC maymis-
taken lydetect vehicles thatarecrossin gyour
lane.
If you activate Active Distan ceAssist
DIS TRONIC underthefollowing conditions,the
vehicle couldpullaway unintention ally:
R at traff iclights withcrossin gtraff ic,for
example
R ifthere isav ehicle infront ,after acrossin g,
with theHOLD functionactivated Driving
systems
151Drivingandparking Z
Page 154 of 310

HOLD
function
Gene ralnote s The
HOLD function canassistthe drive rint he
foll owi ngsitua tions:
R When pulling away,espe ciallyon steep
slop es
R When maneu veringonsteep slopes
R When waiting intraffic
The vehicl eisk ept stationa rywitho utthe
drive rhavi ng todepre ssthe brake pedal.
The braki ngeffect iscancele dand the HOLD
function deactivated whenyoudepre ssthe
accele ratorpedaltop ulla wa y.
Important safetynotes G
WARNING
If the vehicl eiso nly braked using the HOLD
function, thevehicl emayroll awa yint he fol-
low ing situa tions when youleavethe vehi-
cle:
R ifthere isam alfunction inthe system or
in the voltag esupply
R ifthe HOLD function isdea ctivated by
depre ssing theaccele ratorpedalorb rake
peda l,e.g. byavehicl eoccupa nt
There isar isk ofan accide nt.
Alwa ysdea ctivate theHOLD function and
secure thevehicl eagainst rolling awa y
before youleaveit.
! When
Active Distance AssistDISTRONIC
or the HOLD function isactiva ted,thevehi-
cle brakes automatica llyincertain situa-
tions.
To avoi ddama getothe vehicl e,dea ctivate
Active Distance AssistDISTRONIC andthe
HOLD function inthe followi ngorsimi larsit-
ua tions:
R when towing thevehicl e
R in the carwas h
Deactiva tingtheHOLD function (Ypag e152) . Ac
tivation conditio ns You
canactiva tethe HOLD function ifall ofthe
foll owi ngconditions arefulfilled:
R the vehicl eiss tationa ry.
R the engine isrunning orifit has been auto-
matica llyswi tched offbythe ECO start/
stop function.
R the drive r'sdoor isclosed oryou rseat belt
is fastened .
R the electric parkingbrake isrele ased .
R the transmissi onisin posi tion 005B,005Eor005C.
R Active Distance AssistDISTRONIC isdea cti-
vated
Ac tivating theHOLD function X
Make surethattheactiva tionconditions are
met.
X Depress thebrake pedal.
X Quickly depressthe brake pedalfurther
until 0043app ears inthe multi function dis-
pla y.
The HOLD function isactiva ted.Youcan
rele ase thebrake pedal.
i If
depre ssing thebrake pedalthe first time
does notactiva tethe HOLD function, wait
brie flyand then tryaga in.
De activatin gthe HOLD function The
HOLD function isdea ctivated automati-
call yif:
R you accele rateandthetransmissi onisin
posi tion 005Bor005E.
R you shift thetransmissi ontoposi tion 005D.
R you applythe brakes againwith acertain
amou ntofpressu reuntil HOLD HOLD
disappea rs
from themultifunction display.
R you secure thevehicl eusing the electric
parki ngbrake.
R you activa teActive Distance Assist
DISTRONIC . 152
Drivi
ngsystemsDriv ingand parking
Page 155 of 310

i
After
atime ,the electri cparking brake
sec ures the vehiclea nd relieves theservice
bra ke.
Whe nthe HOLD functio nisa ctivated ,the
trans mission isau toma ticallys hifted toposi-
tio n005D if:
R the driver 'ssea tbelti sn otfas tene dand the
dri ver 'sdo or isop en
R the engineissw itch edoff, unless itis au to-
ma tica llys witch edoff bythe ECO start/
stop functio n.
The electri cparking brakesec ures the vehicle
au toma ticallyi fthe HOLD functio nisa ctivated
wh en the vehiclei ss tatio nar yand:
R as ystem malfunctio noccu rs
R the powe rsupplyi sn otsufficie nt
If am alfu nctio nint he electri cparking brake
occu rs,the trans mission mayalsob eshifted
into positio n005D automa tically. Ada
ptiv edampin gsystem
Ge neral notes i
Merc
edes-AMG SLC4 3:the adaptive
da mpi ngsystem iscal ledA MG RIDE CON-
TR OL spo rtssuspe nsion.
As uspe nsi on with the adaptive dampi ngsys-
tem provides imp rove ddriving comf ortand
conti nuouslycontro lsthe calibra tio no fthe
da mpe rs.The dampi ngcha racteri stics adapt
to the current opera ting anddriving situa tion.
The dampi ngistune dind ividu ally to each
wh eeland depends on:
R your driving style,e .g.s po rty
R the roadsurface cond itions
R the selecte ddrive pro gram( Ypa ge 124 ). Se
lecti ng the Comfort orEcon omy
driv eprog rams In
the Comfort andEcon omy drive pro grams,
the driving characteri stics ofyour veh iclea re
more comfortable. Sel ect one ofthes edrive
pro grams ifyo uf avor am ore comf ortabled riv-
ing style.A lsos elect thes edrive pro grams
wh en driving fastons traight roa ds, e.g.on
stra ight stre tche sofhighw ay.
In urba nt raf fic and stop -starttraf fic, drive pro -
gra mCis reco mme nded.
X Pre ssDYNAM ICSELEC Tbutton 0043repeat-
ed lyunti lthe Comfort orEcon omy drive
pro gramisselecte d.
Se lecti ng Spo rtmode The
firmer settingofthe suspe nsion tuni ngin
the Spo rtdri ve pro grame nsures evenbetter
conta ctwith the road.Sel ect thisd rive pro -
gra mw hene mp loying asporty driving style,
e.g .onw indi ng cou ntry roads.
X Pre ssDYNAM ICSELEC Tbutton 0043asma ny
time sasn ece ssaryunti lthe Spo rtdri ve
pro gramisselecte d.
Se lecti ng Spo rtPlus mode The
firmer suspe nsion setti ngsinthe Spo rt
Pl us drive pro grame nsureeve nbetter conta ct
wi th the road.Sel ect thism odew hene mp loy-
ing asporty driving style,e .g.o nw indi ng cou n-
try roadsor, idea lly, wh en driving onclosed
ra ce circ uits.
X Pre ssDYNAM ICSELEC Tbutton 0043repeat-
ed lyunti lthe Spo rtPlus drive pro gramis
sel ecte d. Dri
ving sys tems
153Dr ivi ng andp arki ng Z
Page 156 of 310

Parking
AssistPARKTRONIC
Import antsafety notes Parking
AssistPARKTRONIC isan electron ic
parking aidwith ultrasound. Itmonitor sthe
area around yourvehicle usingsixsensors in
the front bumper andfour sensors inthe rear
bumper. ParkingAssistPARKTRONIC visually
and audib lyindicates thedistance between
your vehicle andanobject .
Parking AssistPARKTRONIC isonly anaid. Itis
not areplacement foryour atten tiontoyour
immediate surroundings. Youarealwa ys
responsible forsafe maneuvering, parkingand
exiting aparking space. Makesurethatthere
are nopersons, animalsorobject sint he
maneuvering areawhen youaremaneuvering
or parking.
! When
parking, payparticular attentionto
object sabove orbelow thesensors, suchas
flower potsortrailer drawbars.
PARKTRONIC doesnotdetect suchobject s
when theyareinthe immediate vicinityof
the vehicle. Youcould damage thevehicle
or the object s.
The sensors maynotdetect snowandother
object sthat absorb ultrasonic waves.
Ultrasonic sourcessuchasan automatic car
wash, thecompressed-air brakesonatruck
or ap neumatic drillcould cause
PARKTRONIC tomalfunction .
PARKTRONIC maynotfunct ioncorrect lyon
uneven terrain.
Parking AssistPARKTRONIC isactivated auto-
matically whenyou:
R switch onthe ignition
R shift thetransm issiontoposition 005B,005Eor
005C
R release theelectric parking brake
Parking AssistPARKTRONIC isdeactivated at
speeds above11mph (18km/h). Itis reacti-
vated atlower speeds. Range
ofthe sensors General
notes
Parking AssistPARKTRONIC doesnottake into
account obstacles located:
R below thedetect ionrange, suchaspersons,
animals orobject s
R above thedetect ionrange, e.g.overhanging
loads, tailsection sorloading rampsof
truck s 0043
Sensors inthe front bumper, left-hand side
(example)
The sensors mustbefree from dirt,iceor
slush. Theycanotherwise notfunct ioncor-
rectly. Cleanthesensors regularly ,taking care
not toscratc hordamage them(Ypage 251).
Range 154
Driving
systemsDriving andparking
Page 157 of 310

Front
sensors Ce
nter Appro
x.40 in(appr ox.
100 cm) Co
rners Appro
x.24 in(appr ox.
60 cm) Re
ar senso rs Ce
nter Appro
x.48 in(appr ox.
120 cm) Co
rners Appro
x.32 in(appr ox.
80 cm) Mini
mum distance Ce
nter Appro
x.8i n( approx.
20 cm) Co
rners Appro
x.6i n( approx.
15 cm) If
there isan obs tacl ewithin this rang e,the
rel eva ntwa rning displa yslight upand awarn-
ing tone sounds. Ifthe distance fallsbel ow the
mini mum, thedistance maynolong erbe
show n. Warnin
gdispl ays Wa
rning displa yfor the front area
0043 Segme ntsonthe left-hand sideo fthe vehi -
cle
0044 Segme ntsonthe right-ha ndsideo fthe
vehi cle
0087 Ope rational readine ssseg ments
The warning displa ysshow thedistance
betw eenthesenso rsand theobstacl e.The
wa rning displa yfor the front areaisloca ted on
the dashb oard above thecenter airv ents. The
wa rning displa yfor the rearareai sloca ted
betw eentherollbars.
The warning displa yfor each sideo fthe vehi -
cle isdiv ide dinto five yellow and tworedseg-
ments. Ifye llow ope rational readine ssseg -
ments 0087light up,P arking AssistPARK TRONIC
is ope rational .
The selected transmi ssion pos itionand the
dir ectio ninw hich the vehi cleisrol ling dete r-
mine whichwarning displa yisa ctive whe nthe
engi neisrunni ng.
Automa tictransmi ssion: Transmi
ssion posi -
tion Warnin
gdispl ay 005B
Front
areaactive 005E,
005Corthe vehi -
cle isrol ling back-
wa rds Re
ar and front areas
acti ve 005D
No
areasacti ve One
ormore segments light upasthe vehi cle
ap proa ches anobs tacl e,dep endi ngon the
vehi cle'sdistance fromtheobstacl e.In addi-
tion, warning tones areissued.
Whe nthe distance tothe obstacl eiss uffici ent,
yo uw illh eara nintermi ttentwarning tone. The Dri
vin gsystems
155Drivin gand parking Z
Page 158 of 310
shorter
thedistance tothe obstacle, the
shorter thefrequency ofthe intermitt entwarn-
ing tones becomes. Whentheminimum dis-
tance isreached, youhear acont inuous warn-
ing tone.
Deac <0057004C005900440057004C0051004A0012004400460057004C005900440057
004C0051004A> ParkingAssist
PARKTRONIC 0043
Deactivates/act ivatesParking Assist
PARKTRONIC
0044 Indicator lamp If
indicator lamp0044lights up,Parking Assist
PARKTRONIC isdeactivated. ParkingGuidance
is also deactivated.
i Parking
AssistPARKTRONIC isautomati-
cally activated whenyouturn theSmartKey
to position 0048inthe ignition lock. 156
Driving
systemsDriving andparking
Page 159 of 310

Problems
withParking AssistPARKTRONIC Problem
Possible
causes/co nsequences and0050 0050
Solutions Only
thered segments
in the Parking Assist
PARKTRONIC warning
display sarelit. You also
hear awarning tonefor
approximately twosec-
onds.
Parking Assist
PARKTRONIC isdeacti-
vated afterapprox-
imately 20seconds and
the indicator lampin
the Parking Assist
PARKTRONIC button
lights up. Parking
AssistPARKTRONIC hasmalfunction edand hasbeen deac-
tivated.
X Ifproblems persist,haveParking AssistPARKTRONIC checkedat
aq uali fied specialist workshop. Only
thered segments
in the Parking Assist
PARKTRONIC warning
display sarelit. Parking
Assist PARKTRONIC is
deactivated after
approximately fivesec-
onds. The
Parking AssistPARKTRONIC sensorsaredirty orthere isinter-
ferenc e.
X Clean theParking AssistPARKTRONIC sensors(Ypage 251).
X Switch theignition backon. The
problem maybecaused byan extern alsource ofradio orultra-
sound waves.
X Check tosee ifParking AssistPARKTRONIC worksatad ifferent
location. Parking
Guidance
Import antsafety notes Parking
Guidanceisan electron icparking aid
with ultrasound. Ultrasoundisused tomeas-
ure theroad onboth sides ofthe vehicle. A
suitable parkingspaceisindicated bythe
parking symbol. Youreceive steering instruc-
tions when parking. Youcanalso stilluse
Parking AssistPARKTRONIC (Ypage 154).
Parking Guidanceisonly anaid. Itis not a
replacement foryour atten tiontoyour immedi-
ate surroundings. Youarealwa ysresponsible
for safe maneuvering, parkingandexiting a
parking space.Makesurethatthere areno
persons, animalsorobject sint he maneuver-
ing area when youaremaneuvering orparking. G
WARNING
If object sarelocated abovethedetect ion
range, Parking Guidancemay provide steer- ing
instruct ionstoosoon. Youmay cause a
collision asaresult. There isar isk ofan
accident.
If object sarelocated abovethedetect ion
range, stopandswitch offParking Assist.
! If
they cannot beavoided, driveover
obstacles suchascurbs slowly andatan
obtuse angle.Otherwise, youmay damage
the wheels ortires.
When Parking AssistPARKTRONIC isswitched
off, Parking Guidanceisalso unavaila ble.
Parking Guidancemay alsodisplay spaces not
suitable forparking, e.g.:
R where parking orstopping isprohibited
R in front ofdriveways orentr ances andexits
R on unsuitable surfaces Driving
systems
157Drivingandparking Z
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Use
Parking Guidance forparking spaces:
R paral leltothe direction oftravel
R on straight roads,notbends
R that areonthe same levelasthe road, i.e.
not onthe pavement, forexample. Parking
Assist PARKTRONIC maynotdetect flat
curbs
Parking tips:
R on narrow roads,driveasclosely aspossible
past theparking space
R parking spacesthatarelittered orover-
grown mightbeidentified ormeasured
incorrect ly
R parking spacesthatarepartiall yoccupied
by trailer drawba rsmight notbeidentified
as such orbe measured incorrectly
R snowfall orheavy rainmay lead toap arking
space beingmeasured inaccurately
R pay attent iontothe Parking Assist
PARKTRONIC warningmessages duringthe
parking procedure (Ypage 155)
R when transporting aload which protrudes
from yourvehicle, youshould notuse Park-
ing Guidance
R never useParking Guidance withsnow
chains oran emergency sparewheel moun-
ted
R make surethatthetire pressures arealwa ys
correct .This has adirect effect onthe steer-
ing characteristics.
R the way your vehicle ispositioned inthe
parking spaceafterparking isdependent on
various factors. Theseinclude theposition
and shape ofthe vehicles parkedinfront
and behind itand theconditions ofthe loca-
tion. Insome cases, Parking Guidance may
guide youtoofarornot farenough intoa
parking space.Insome cases, itmay also
lead youacross oronto thecurb. Ifneces-
sary, cancel theparking procedure with
Parking Guidance. Detec
tingparking spaces 0043
Detect edparking spaceonthe left
0044 Parking symbol
0087 Detect edparking spaceonthe right
Parking Guidance isautomaticall yactivated
when youdrive forwards. Thesystem isopera-
tional atspeeds ofup toapproximately
22 mph (35km/h ).While inoperation, the
system independently locatesandmeasures
parking spacesonboth sides ofthe vehicle.
When driving atspeeds below19mph
(30 km/h), youwillsee parking symbol0044as
as tatus indicator inthe instrument cluster.
When aparking spacehasbeen detected, an
arrow towards theright 0087orthe left 0043also
appea rs.Parking Guidance onlydispla yspark-
ing spaces onthe front -passenger sideas
standard. Parkingspacesonthe driver's side
are displa yedassoon asthe turn signal onthe
driver's sideisactivated. Topark onthe driv-
er's side, youmust leave thedriver's sideturn
signal switched onuntil youhave engaged
reverse gear.
Parking Guidance willonly detect parking
spaces:
R that areparal leltothe direction oftravel
R that areatleast 5ft(1.5 m)wide
R that areatleast 4.3ft(1.3 m)longer than
your vehicle
Ap arking spaceisdispla yedwhile youare
driving pastit,and until youareapproximately
50 ft(15 m)awa yfrom it.
Parking Moving
thevehicl einto thestop position
X Stop thevehicle whentheparking space
symbol showsthedesired parking spacein
the instrument cluster.
X Vehicles withmanual transmission: shiftto
reverse gear. 158
Driving
systemsDriving andparking