2019 MERCEDES-BENZ SLC ROADSTER child lock

Jump
start ing .................................2 60
Overvi ew....... ................................. 257
Rep lacing .......................................260
Belt
see Seat belts
Belt warni ng....... .................................. 42
Blin dSpot Assist
Activating/d eactivating .................175
Displ aymessa ge....... ..................... 198
Notes/fu nction..............................163
Blueto oth®
Searchi ngfor amobi lephone ........221
Searchi ngfor amobi lephone
(de vice mana ger)........................... 222
see also Digita lOpera tor'sMan-
ua l....... .............. .............................217
Tel epho ny....... ...............................221
Brake AssistSyste m
see BAS (Brake AssistSystem)
Brake fluid
Displ aymessa ge....... ..................... 188
Notes .............................................301
Brake forcedistributi on
see EBD (electronic brakeforce
dis tribu tion)
Brake lamps
Adap tive....... ....................................60
Dis play mes sage ............ ................193
Brake s
ABS ............ ........................ ..............57
Ada ptive Bra keAssi st............ .......... 59
BAS ............ ............ ..........................57
Bra kefluid(no tes)............ .............301
Displ aymessa ge....... ..................... 183
EBD .............. ....................................63
High -perfo rmance brakesystem ....140
Impo rtant safety notes ............ ......139
Mai ntenance .................................. 140
Pa rking brake............ ....................135
Ri ding tips............ ..........................139
Wa rning lamp ............ .....................210
Breakdo wnassi stanc e
Re flective safety jacket ............ ......251
Whe rewillIfind...? ............ ............ 251
see Flattire
see Towingaway Brightn
esscontrol (instrumen t
cl uster lightin g)........... ........................32
Bulbs
see Repla cing bulbs C
Cal ifornia
Impo rtant notice forreta ilcus-
tomers andlessee s........... ...............24
Cal ling up amalfun ction
see Disp laymess ages
Car
see Vehi cle
Care
Carwa sh ........... .............................246
Exhau stpip e........... .......................250
Exterior lights ....... ......................... 249
Matte finish................................... 248
Notes .............................................245
Pai nt....... ....................................... 247
Pow erwa sher ................................247
Rea rview camera .......................... 250
Sensors ......................................... 250
Was hing byhand ........................... 246
Whee ls....... ....................................249
Windo ws....... ................................. 249
Wip erbla des ....... ........................... 249
CD
see also Digita lOpera tor'sMan-
ua l....... ...........................................217
CD player (on-bo ardcomputer) ........173
Ce nter conso le
Lowe rsection .................................. 35
Uppe rsection .................................. 34
Ce ntral locking
Automa ticlocking (on-board
compu ter)....... ...............................178
Locking/u nlocking(SmartKe y)....... .66
Cha nging bulbs
Sid emark erlamps (rear)... ............ 103
Child
Rest raintsyst em.............................. 55
Child seat
For ward- facing restraint system...... 56
On thefron t-passe nger seat ............ 56
Rearwar d-facin gres traint system.... 56 6
Index

Overview
...... .................................... 78
Problem (malfunction) ..................... 84
Relocking ......................................... 80
Roof carrier ........................................2 27
Roof switch ....... ................................... 79
Route guidan ce
see also Digita lOpera tor'sMan-
ua l....... .............. .............................217
Route guidan ceactiv e....... ...............172 S
Safety Childre nin the vehi cle....... .............. 53
see Occupa ntsafe ty
Safety system
see Driving safetysys tems
SD card
Inserting ........................................ 224
Inserting/re moving........................223
Rem oving .......................................224
SD memory card
see also Digita lOpera tor'sMan-
ua l....... ..................... ......................217
Sele cting ........................................ 173
Searc h& Sen d
see also Digita lOpera tor'sMan-
ua l....... ..................... ......................217
Seat
Corre ctdrive r'ssea tposi tion ...........85
Seat belts
Adjusting thedrive r'sand front-
pas senger seatbel t<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 42
Co rrect usag e<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 41
Fas tening <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 42
Imp orta ntsafety guideline s............. 40
Introd uction<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 39
Re leas ing <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 42
Swi tching beltad jus tment on/off
(o n-boa rdcomp uter)<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 178
Wa rning lamp <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 208
Wa rning lamp (function) <0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 42
Se ats
Adju sting (electrica lly) <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 87
Adju sting (manually) <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 87
Adju sting the4-wa ylu mba rsu p-
por t<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 88
Adju sting theheadres trai nt............ 87Imp
orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 85
Ove rview <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 85
Sea thea ting problem <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 89
Stori ngsetti ngs(memory func-
tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011[ 95
Swi tching AIRSCAR Fon/of f............ 89
Swi tching seathea ting on/of f......... 88
Se lecto rle ve r
Pos itions <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 125
Se nso rs(cleani ng instruc tions) ....... 250
Se rvic emen u(o n-b oard com-
puter) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 176
Se rvic emes sage
see ASSYST PLUS
Se rvic eproduc ts
Bra kefluid<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 301
Co olant (engi ne) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 301
Engine oil<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 300
Fue l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 299
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 298
Re friger ant (air-co nditioni ngsys-
tem) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 303
Wa she rflu id<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 302
Se ttin gthe airdistribu tion............... 112
Se tting theairfl ow<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 112
Se tting thedate/ timeformat
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 217
Se ttin gthe languag e
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 217
Se ttin gthe time
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 217
Se ttin gs
Facto ry(on-boa rdcomp uter)......... 179
On-bo ardcomp uter<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 176
SE TUP (on-b oard computer,
Merc edes-AMG vehic les) <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 180
Si de impac tair bag <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 45
Si de marker lamp
Ch ang ingbulbs(re ar) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 103
Si de marker lamp(displ aymes -
sag e)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 193
Si de windo ws
Cl ea ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 249
Co nveni ence closing fea ture ............ 77 16
In
dex

Panic
alarm X
To activate: press0033button 0043for at
least onesecond.
A visual andaudib lealarm istriggered ifthe
alarm system isarmed.
X To deactivat e:press 0033button 0043again.
or X Insert theSmartK eyinto theignition lock.
or X Press theKEYLE SS-GO Start /Stopbutton.
The KEYLE SS-GO key must beinthe vehicle. Occupant
safety Introduct
iontothe restr aintsystem
The restraint systemcanreduce therisk of
vehicle occupants comingintocontactwith
parts ofthe vehicle's interiorinthe event ofan
accident. Therestraint systemcanalso reduce
the forces towhich vehicle occupants aresub-
ject edduring anaccident.
The restraint systemincludes thefollowing
componen ts:
R seat beltsystem
R air bags
The componen tsof the restraint systemwork
in conj unction witheach other. Theycanonly
deploy theirprotect ivefunct ionif,at all times,
all vehicle occupants:
R have fastened theirseatbelts correct ly
(Y page 41)
R have theseat andhead restraint adjusted
properly (Ypage 85)
As the driver, youalso have tomake surethat
the steering wheelisadjusted correctly. Observe
theinformation relatingtothe correct
driver's seatposition (Ypage 85).
You also have tomake surethatanair bag can
inflate properly ifdeploye d(Y page 43).
An airbag supplements acorrect lyworn seat
belt. Asanadditional safetydevice, theairbag
increases thelevel ofprotect ionforvehicle
occupants inthe event ofan accident. For
example, if,inthe event ofan accident, the
protect ionoffered bythe seat beltissufficient,
the airbags arenot deploye d.When anacci-
dent occurs, onlytheairbags thatincrease
protect ioninthat particular accidentsituation
are deploye d.However, seatbelts andairbags
generally donot protect againstobjectspene-
tratin gthe vehicle fromtheoutside.
Inform ationonrestraint systemoperation can
be found under "Triggering ofthe Emergen cy
Tensioning Devicesandairbags"
(Y page 50).
See "Chil dren inthe vehicle" forinformation
on children traveling withyouinthe vehicle as
well ason child restraint systems
(Y page 53). Import
antsafety notes G
WARNING
Modifications tothe restraint systemmay
cause itto no longer workasinten ded.The
restraint systemmaythen notperform its
inten dedprotect ivefunct ionand may failin
an accident ortrigger unexpect edly,for
example. Thisposes anincreased riskof
injury oreven fatalinjury.
Never modify partsofthe restraint system.
Never tamper withthewiring, theelectron ic
componen tsor their software.
If it is necessary tomodify componen tsof the
restraint systemtoaccommodate aperson
with disabil ities,contactanauthorized
Mercedes-B enzCenter fordetails. USAonly:
for further information contactour Customer
Assistanc eCenter at1-80 0FOR-MERCED ES
(1‑800‑3 67‑6372).
Mercedes-B enzrecommen dsthat youonly use
driving aidswhich havebeen approved specifi-
cally foryour vehicle byMercedes-B enz. 38
Occ
upantsafetySafety

Occupant
Classification System
(OCS)
Introd uction The
Occupant Classification System(OCS)cat-
egorizes theperson inthe fron t-passenger
seat. Depen dingonthat result, thefron t-
passenger frontair bag and front-passenger
kn ee bag areeither enabled ordeactivat ed.
The system doesnotdeactivat e:
R the side impact airbag
R the headbag
R the Emer gencyTension ingDevic es
Requ irement s To
be classified correctly,the fron tpassenger
must sit:
R with theseat beltfasten edcorr ectly
R in an almost upright position withtheir back
against theseat backr est
R with their feetrestin gon the floor, ifpossi-
ble
If the fron tpassenger doesnotobserve these
con ditions ,OCS mayproduce afalse classifi-
cation ,e.g. because thefron tpassenger:
R tran sfers theirweight bysupportin gthem-
selves onavehicle armrest
R sits insuch away that their weight israised
from theseat cushion
If you installachild restraint system onthe
fron t-passenger seat,besure toobserve the
corr ectposition ingofthe child restraint sys-
tem. Never placeobjectsunder orbehind the
child restraintsystem, e.g.acushion. The
ent irebase ofthe child restraint system must
alway srest onthe seat cushion ofthe fron t-
passenger seat.Thebackr estofthe forward-
facing childrestraint system mustlieasflat as
possible againstthebackr estofthe fron t-
passenger seat.
The child restraintsystem mustnottouch the
roof orbe subject edtoaload bythe head
rest raint .Adj ust the angle ofthe seat backr est
and thehead restraintposition accordingly.
Only thencanOCS beguaranteed tofunc tion
corr ectly.Always observe thechild restraint
system manufact urer'sinstallation andoperat-
ing inst ruct ions. Occupant
Classification Systemopera-
tion (OCS) 0043
PAS SENGER AIRBAG ONindicat orlamp
0044 PAS SENGER AIRBAG OFFindicat orlamp
The indicat orlamps informyou whether the
fron t-passenger frontair bag isdeactivat edor
enabled.
X Press theStart/ Stop button onceor twice,
or turn theSmart Keytoposition 0047or0048 in
the ignition lock.
The system carriesoutself-diagn ostics.
The PASSENGER AIRBAG OFFand
PAS SENGER AIRBAG ONindicat orlamps must
light upsimultaneously forapproximat elysix
secon ds.
The indicat orlamps display thestatusofthe
fron t-passenger frontair bag.
R PAS SENGER AIRBAG ONlights upfor
60 secon ds,subsequently bothindicat or
lamps areoff(PASS ENGERAIR BAG ONand
OFF): thefron t-passenger frontair bag is
able todeploy inthe event ofan acciden t.
R PAS SENGER AIRBAG OFFlights up:the
fron t-passenger frontair bag isdeactivat ed.
It will then notbedeployed inthe event of
an acciden t.
If the PAS SENGER AIRBAG ONindicat orlamp
is off, only thePAS SENGER AIRBAG OFFindi-
cator lampshows thestatusofthe fron t-
passenger frontair bag. ThePASSENGER AIR
BAG OFFindicat orlamp maybelitcon tinu-
ously orbe off.
If the statusofthe fron t-passenger frontair
bag changes whilethevehicle isin motion ,an
air bag display message appearsinthe instru-
ment cluster (Ypage 191). When thefron t-
passenger seatisoccupied, alwayspay atten -
tion tothe PAS SENGER AIRBAG OFFindicat or
lamp. Beaware ofthe statusofthe fron t- 46
Occupant
safetySafet y

Res
ettingtrigg eredNEC K-PRO head
res traints Do
not inse rtyo ur fing erbetw eentheuphol s-
tery ofthe headres trai ntand theseat.Pa y
pa rticu larattenti onwhile res etting theNECK -
PR Ohea dres trai nts.
X Tilt the top ofthe NECK -PROhea dres trai nt
cus hionforw ardsin the directi onof
arr ow 0043.
X Pu sh the NECK -PROhea dres trai ntcus hion
dow nas far asitwi llgo inthe directi onof
arr ow 0044.
X Firm lypu sh the NECK -PROhea dres trai nt
cus hionba ck inthe directi onofarr ow 0087
unti lthe cushionenga ges.
X Re pea tthis proced ure forthe seco ndNECK -
PR Ohea dres trai nt.
i Re
setti ngthe NECK -PROhea dres trai nts
req uires alotof streng th.Ifyo uha ve diffi-
cul tyres etting theNECK -PROhea d
res trai nts, have this workcarr ied ou tat a
qu alifi ed spe cialist wo rksho p. PRE
-SAFE®
(an ticipato ryoccupa nt
prote ction sys tem)
PR E-SAFE ®
info rms youof certa incriti caldriv-
ing situ ations and take spre -emp tivemea sures
to pro tect thevehicleoccu pants.
PR E-SAFE ®
can take thefollowi ng mea sures
ind epe ndentl yof each othe r:
R pre -tensi oning thedriver' sand front-
pa sse nger seatbel t.
R clo sing thesidewi ndow s.
R veh icles with amemo ryfuncti on:setti nga
more favora ble sea tpos ition for the front-
pa sse nger seat. !
Ma
kesure that there arenoobje ctsinthe
foo twe llor beh indthe seats.The reisada n-
ger that theseatsand /or obje ctscou ldbe
da mag edwhen PRE-SAFE ®
is acti vate d.
Shou ldan acci dent notoccu r,the preventa tive
mea sures take nare reve rsed.Ce rtai nsetti ngs
mus tbe mad eyo urs elf.
X Ifthe seatbel tpre -tensi oning isnot
red uce d,move theseatba ckrest back
sli ghtl y.
Sea tbel tpre -tensi oning isrel eased . Auto
matic measuresafter anacc i-
den t
Imme diate lyafte ran acci dent, thefollowi ng
mea sures are implemente d,dep endi ngon the
typ eand severityof the impact:
R the hazard warning lamps areswitched on
R the eme rgency lighti ngisacti vate d
R the vehicledoo rsare unlocked
R the front sidewi ndow sare lowe red
R veh icles with amemo ryfuncti on:the electri -
cal lyad justa ble stee ring wheel israi sed
wh en the driver' sdoo ris ope ned
R the engi neisswi tched offand thefuelsu p-
pl yis cut off
R veh icles with Mer cedesme connect: auto-
mati ceme rgency call Chi
ldre nin the vehic le Impo
rtant safetynotes
If achi ldyoung erthan twelveyears old and
und er5ft (1.50 m)inhe ight istra vel ing inthe
veh icle:
R alwa yssecur ethe childinachi ldres traint
sy ste msuita ble for Merced es-Benz vehicles .
The childres traint syste mmu stbe appro pri-
ate tothe age, we ight and size ofthe child.
R be sure to observe the instructio nsand
sa fety note sin thi sse ctio nin ad ditio nto the
chi ldres traint syste mma nuf actu rer'sins tal-
la tio nins tructio ns.
R alwa ysobserve the instructio nsand safety
note son the "Occu pant cla ssificati on sys-
tem (OCS) ".(Y page 46) Ch
ildren inthe vehic le
53Safe ty Z

G
WARNING
If you leavechild renunsu pervi sedinthe
vehicl e,they couldset itin motion by,for
exampl e:
R rele ase theparki ngbrake.
R shift theautomatic transmissi onout of
the parki ngposi tion P.
R start theengine.
In add ition, theymayopera tevehicl eequ ip-
ment andbecome trapped.There isarisk of
an accide ntand injury .
When leaving thevehicl e,alw aystake the
SmartKey withyouand lock thevehicl e.
Never leavechild renunsu pervi sedinthe
vehicl e. G
WARNING
If perso ns,particu larlychild renaresubjec-
ted toprolo nged exposu reto extreme heat
or cold, there isarisk ofinjury ,possi bly
even fatal.Never leavechild renunattended
in the vehicl e. G
WARNING
If the child restrai ntsystem issub jected to
dire ctsunli ght,parts maygetvery hot.Chil-
dren mayburn themsel vesonthese parts,
particu larlyon the metal partsofthe child
restrai ntsystem. Thereisarisk ofinjury .
If you leavethe vehicl e,taking thechild with
you ,alw aysensure thatthechild restrai nt
system isnot expose dto dire ctsunli ght.
Protect itwith abla nket, forexampl e.Ifthe
child restrai ntsystem hasbeen expose dto
dire ctsunli ght,letitcool downbefore secur-
ing the child init. Never leavechild renunat-
tended inthe vehicl e.
Alwa ysensure thatallvehicl eoccupa ntshave
their seatbeltsfastened correctly andaresit-
ting prope rly.Particu larattention mustbepaid
to child ren.
Observe thesafety notesonthe seat belt
(Y pag e40) and thenotes oncorrect useof
seat belts(Y pag e41).
A booster seatmaybenecessa ryto achie ve
prope rseat beltposi tioning forchild renover 40
lbs (18 kg)until theyreach aheig htwhere
a three-poi ntseat beltcan beprope rlyfas-
tened withoutabooster seat. Spec
ialseatbe ltretractor G
WARNING
If the seat beltis rele ased whiledrivi ng,the
child restrai ntsystem willno longer be
secure dprope rly.The speci alseat belt
retractor isdisa bledand theinertia real
draw sin aportion ofthe seat belt.The seat
bel tcannot beimmed iatelyrefastene d.
There isan increas edrisk ofinjury ,possi bly
even fatal.
Stop thevehicl eimmed iately,pay ing atten-
tion toroad andtraffic conditions. Reacti-
vate thespeci alseat beltretractor and
secure thechild restrai ntsystem properly.
The seat belton the front-passenge r'sside is
equ ipped with aspeci alseat beltretractor.
When activated,thespeci alseat beltretractor
ensure sthat theseat beltcannot slacken once
the child seatissecure d.
Install ingachild restrai ntsystem:
X Make sureyouobser vethe child restrai nt
system manufacturer's installationinstruc-
tions.
X Pul lthe seat beltsmoothly outofthe belt
loop .
X Engage seatbelttongue inbel tbuckle .
Activating thespeci alseat beltretractor:
X Pul lthe seat beltout fullyand letthe inertia
reel retract itaga in.
Whil ethe seat beltis retracting, youshou ld
hear aratcheting sound.The speci alseat
bel tretractor isenabl ed.
X Push thechild restrai ntsystem downso that
the seat beltis tight anddoes notloos en. 54
Chi
ldren inthe vehi cleSafety

tem.
Thisconfi rmationcan also be fou ndin
the installatio nins tructio nstha tar eincl uded
wi th the childres traint syste m.
Ob serve the warning labe lsin the vehicleinte -
rio rand onthe childres traint syste m. Ch
ild res train tsys tem onthe front-
pass engerse at
Ge neral notes If
yo uins talla chi ldres traint syste mon the
fro nt-pa ssenge rse at, alwa ysobserve the
ins tructio nsand safety note son the "Occu -
pa nt Clas sific ati on Sys tem (OCS) "(Y page 46) .
Yo ucan thusav oid the risks tha tcou ldarise
as ares ultof:
R an inco rrectly cate gorized perso nin the
fro nt-pa ssenge rse at
R de acti vating thefrontpasse nge rfro ntair
ba guni ntenti onally
R the unsuitab lepo sitio ning ofthe child
res traint syste m, e.g.too closetothe dash-
bo ard
Rea rwa rd-fac ingch ild res train tsys tem If
cir cum stances require youto secur eachi ld
in area rward-fa cing childres traint syste mon
the front-pa ssenge rse at, alwa ysma kesure
tha tthe frontpasse nge rfro ntairba gis de acti -
va ted .Onl yif the PASSEN GERAIRBAG OFF
ind icator lamp islit conti nuously(Y page 39),
is the frontpasse nge rfro ntairba gde acti va-
ted .
Alw aysob serve the childres traint syste m
ma nuf actu rer'sins tallatio nand opera ting
ins tructio ns.
Fo rwa rd-fac ingch ild res train tsys tem If
yo use cur eachi ldinafor wa rd-f acing child
res traint syste mon the front-pa ssenge rse at,
al wa ysmov ethe front-pa ssenge rse at as far
ba ck aspossi ble. The entirebase ofthe child
res traint syste mmu stalwa ysres ton the seat
cus hion ofthe front-pa ssenge rse at. The back-
res tof the childres traint syste mmu stlie as
fla tas possi ble ag ainst the backre stof the
fro nt-pa ssenge rse at. The childres traint sys-
tem mustnot touchthe roofor be subje cted
to aload bythe head res traint. Adju stthe
ang leof the seat backre stand thehead res
traint positio nacc ordingly.Alw aysma ke
su re tha tthe shoulde rbe ltstra pis corr ectly
rou ted fromthe front-pa ssenge rse at belt
gu ide to the shoulde rbe ltgu ide on the child
res traint syste m. Thesho ulde rbe ltstra pmu st
be rou ted forwa rdand down fromthe front-
pa sse nge rse at beltgu ide.
Alw aysob serve the childres traint syste m
ma nuf actu rer'sins tallatio nand opera ting
ins tructio ns. Pe
ts inthe vehic le G
WA
RNING
If yo uleav eani ma lsuns uperv ised oruns e-
cur edinthe vehicle, the yma ypre ssbuttons
or sw itch es,for instance .
In thi swa y,ani ma lsma y:
R acti vate veh icleeq uipme ntand become
tra pped,for exa mpl e
R sw itch syste ms onoroff and thereb y
end angerothe rroa dus ers
Fur thermo re,uns ecu red anima lsma ybe
flu ng arou nd inside the vehiclein the event
of an acc ident orabrupt ste ering orbra king
ma neu ver,and thereb yinju reveh icleoccu -
pa nts. There isaris kof acc ident and injury.
Nev erleav eani ma lsuna ttend edinthe vehi-
cle .
Alw aysse cur eani ma lspro perly when driv-
ing ,for instance with asu ita ble pe tcar rier. Dri
ving safety systems Ov
erv iew of driv ingsaf ety systems
In thi sse ctio n,youwi llfin dinf orm ation abou t
the followi ng drivin gsa fety syste ms:
R ABS (Anti -lock Braki ng Syste m)
(Y page 57)
R BAS (Bra keAssist Sy ste m) (Ypage 57)
R Activ eBra keAssi st(Y page 58)
R Ada ptive bra kelights (Ypage 60)
R ESP ®
(El ectr onicSta bility Pro gram)
(Y page 60) 56
Dr
ivi ng safet ysy stem sSafet y

Smar
tKey Import
antsafety notes G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment
Additionally, childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmissionoutof
park position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. G
WARNING
If you attach heavyorlarge object sto the
SmartK ey,the SmartK eycould beuninten -
tionally turnedinthe ignition lock.This
could cause theengine tobe switched off.
There isarisk ofan accident.
Do not attach anyheavy orlarge object sto
the SmartK ey.Remove anybulky keyrings
before insertin gthe SmartK eyinto theigni-
tion lock.
! Keep
theSmartK eyaway fromstrongmag-
netic fields. Otherwise, theremote control
funct ioncould beaffected.
Str ong magnetic fieldscanoccur inthe
vicinity ofpowerful electrical installations.
Do not keep theSmartK ey:
R with electron icdevices, e.g.amobile phone
or another SmartKey
R with metallic objects,e.g. coins ormetal foil
R inside metallic objects,e.g. ametal case
This canaffect thefunct ionality ofthe
SmartK ey. Smar
tKeyfunctions 0043
0037 Locks thevehicle
0044 0054 Unlock sthe trunk lid
0087 0036 Unlock sthe vehicle
X To unlock centrally: pressthe0036 but-
ton.
If you donot open thevehicle withinapprox-
imately 40seconds ofunlocking:
R the vehicle islocked again.
R anti-t heftprotect ionisreactivated
X To lock centrally: pressthe0037 button.
The SmartK eycent rally locks/un locks:
R the doors
R the trunk lid
R the stowage compartmen tin the cent ercon-
sole
R the fuel filler flap
The turn signals flashonce when unlocking
and three times whenlocking.
You canalso setanaudib lesignal toconfirm
that thevehicle hasbeen locked. Theaudib le
signal canbeactivated anddeactivated using
the on-board computer (Ypage 178).
When itis dark, thesurround lightingalso
comes onifit is activated inthe on-board
computer (Ypage 177). KEY
LESS-GO
General notes Bear
inmind thattheengine canbestarted by
any ofthe vehicle occupants ifthere isaKEY-
LES S-GO keyinthe vehicle (Ypage 120). 66
Smar
tKeyOpening andclosing