key MERCEDES-BENZ SLC 2020 Service Manual

Ext
erio rlight ing Gener
alnot es
For reas onso fsafe ty,Mer cedes-Ben zrecom-
men dsthat you drivewiththel ight sswit ched
on even duringthe dayti me.Insom ecoun -
tr ies, oper ationofthe headlam psvar ies due to
legal requirementsand self -impose doblig a-
tio ns. Set
tingthe ext erio rlight ing
Set tingo ptions Ex
terior light ingcan beset usin g:
R thel ight switch
R thec om binatio nswit ch (Ypage 99)
R theo n-bo ard com pute r(Y page 177)
Light switch Oper
ation 0047
0063
Left-han dstandi ng lamps
0048 0064
Right-hand standi nglamps
0049 0060
Parkinglamps ,lice nsep latea nd
ins trumen tclus terlight ing
004A0057 Automatic hea dlam pm ode,contro l-
le db ythe light sens or
004B 0058
Low-beam/hi gh-b eamh eadlam ps
0084 005E
Rear fog lamp
If yo uh earaw arning tone when youl eave the
veh icle, the lights maystill be switch edon.
X Tu rn the light switch to0058. The
exte riorlighti ng (excep tthe parking /
sta ndi ng lamps )switch esoff automa ticallyi f
yo u:
R rem ove theSma rtKeyfrom theigniti onlock
R op en the driver 'sdo or wh ilet he Sma rtKeyis
in po sitio n0092 inthe igniti onlock
Au tomati cheadlamp mode G
WA
RNING
Whe nthe light switch isset to0058,t he
lo w-b eamh eadlam psma ynotbe switch ed
on automa ticallyi fther eisf og ,snow or
othe rcauses ofpoor vis ibility duet ot he
we ath ercond itions such asspr ay.T he re isa
ris ko fana ccident.
In such situa tions, turn thelight switch to
0058.
The automa tichea dlam pfeature isonl yana id.
The driver isres ponsi blef or the vehicle's light-
ing atallt ime s.
0058 isthe preferred light switch positio n:
R The light setti ngisau toma ticallys electe d
acco rding tothe brightne ssofthe ambient
li ght (excep tion:po or vis ibility duet o
we ath ercond itions such asfog ,snow or
spr ay).
R Wi th the Sma rtKeyinp ositio n 0047 inthe igni-
tio nlock: the parking lamps ares witch edon
or off automa ticallyd epending on the bright-
ness ofthe ambient light.
R Wi th the enginerunning :ify ou have acti va-
ted thedaytime running lamps functio nvia
the on-b oard comp uter,the daytime running
la mps orthe parking lamps andthelow-
be am headlam psares witch edon oroff
au toma ticallyd epending on the brightne ss
of the ambient light.
X To
switcho nauto matic headlamp mode:
turn thelight switch to0058.
Can ada only:
The daytime running lamps improve thevisibil-
ity ofyour veh icled uring the day.The daytime
ru nning lamps functio nisr equired bylawi n
Ca nad a.Itcanno tther eforebe deacti vated .
Whe nthe eng ineisrunning andthevehiclei s
sta tionar y:ifyo us hift the automa tictrans mis-
si on from adriving positio nt op ositio n 005D the
da ytime running lamps orlow-b eamh ead-
la mps goouta fte r3m inutes. Ex
teri orlighti ng
97Lights andwind shield wipers Z

When
theengine isrunn ing,thevehicle issta-
tionary andinbright ambient light:ifyou turn
the light switch tothe 0060 position, theday-
time runninglamps andparking lampsswitch
on.
If the engine isrunn ingand youturn thelight
switch to0058,t hemanual settings take prec-
edence overthedaytime runninglamps.
USA only:
The daytime runninglamps improve thevisibil-
ity ofyour vehicle duringtheday. Todo this,
the daytime runninglamps functionmust be
switched onusing theon-board computer
(Y page 177).
If the engine isrunn ingand youturn thelight
switch to0060 or0058,t hemanual settings
take preceden ceover thedaytime running
lamps.
Low-beam headlamps G
WARNIN
G
When thelight switch isset to0058,t he
low-beam headlamps maynotbeswitched
on automatically ifthere isfog, snow or
other causes ofpoor visibility duetothe
weather conditionssuch asspray. Thereisa
risk ofan accident .
In such situation s,turn thelight switch to
0058.
Even ifthe light sensor doesnotdetect thatit
is dark, theparking lampsandlow-beam head-
lamps switch onwhen theignition isswitched
on and thelight switch isset tothe 0058 posi-
tion. Thisisap articularly usefulfunctioninthe
event ofrain andfog.
X To
switch onthe low-beam headlamps:
turn theSmart Keytoposition 0048inthe igni-
tion lock orstart theengine.
X Turn thelight switch to0058.
The green 0058indicator lampinthe instru-
ment cluster lightsup.
Rear foglamp
The rear foglamp improves visibilityofyour
vehicle forthe traff icbehind inthe event of
thick fog.Please takenoteofthe count ry-spe-
cific regulations forthe use ofrear foglamps. X
To switch onthe rear foglamp :turn the
Smart Keytoposition 0048inthe ignition lock
or start theengine.
X Turn thelight switch to0058 or0058.
X Press the005E button .
The yellow 005Eindicator lampinthe instru-
ment cluster lightsup.
X To switch offthe rear foglamp :press the
005E button .
The yellow 005Eindicator lampinthe instru-
ment cluster goesout.
Park inglamp s
! If
the batter ycharge isvery low,thepark-
ing lamps orstandin glamps areautomati-
cally switched offtoenable thenext engine
start .Always parkyourvehicle safelyandin
aw elllitarea, inaccordan cewith therele-
vant legal stipulations. Avoidusingthe0060
parking lampsoveraperiod ofseveral
hours. Ifpossible, switchonthe right- hand
0064 orleft- hand 0063 standin glamps.
X To switch on:turn thelight switch to0060.
The green 0060indicator lampinthe instru-
ment cluster lightsup.
Stand inglamp s
Switc hingonthe standin glamps ensures the
corr esponding sideofthe vehicle isillumina-
ted.
X To switch onthe stand inglamp s:the
Smart Keyisnot inthe ignition lockoritis in
position 0092inthe ignition lock.
X Turn thelight switch to0063 (left-hand side
of the vehicle) or0064 (right- handsideof
the vehicle). 98
Exterior
lightingLightsandwindshield wipers

The
high-beam headlamps areswitched on
automatically. The0057 indicator lampin
the instr ument cluster alsolights up.
If you aredriving atspeeds belowapprox-
imately 16mph (25km/ h)or other road
users havebeen detect edorthe roads are
adequa telylit:
The high-beam headlamps areswitched off
automatically. The0057 indicator lampin
the instr ument cluster goesout.The00CE
indicator lampinthe multifunct iondisplay
remains lit.
X To switch off:move thecombinat ion
switch backtoits normal position ormove
the light switch toanother position.
The 00CE indicator lampinthe multifunct ion
display goesout. Interior
lighting Overview
ofinterior lighting Overhead
controlpanel
0043 003D Switch esthe left- hand reading lamp
on/of f
0044 0033 Switch esthe automatic interiorlight-
ing cont rolon/of f
0087 003D Switch esthe right- hand reading lamp
on/of f
0085 004A Switch esthe inter iorlighting on/off Interior
lighting control
General notes In
order toprevent thevehicle's batteryfrom
discharging, theinter iorlighting functionsare
automatically deactivatedaftersome time, unless
theSmart Keyisin position 0048inthe
ignition lock.
The color andbrightn essofthe ambient light-
ing are setviathe multimedia system
(Y page 178).
Automa ticinterior lighting control X
To switch on:setthe switch tothe cent er
position.
When theautomatic interiorlighting control
is switched on,the switch isflush withthe
overhead controlpanel.
X To switch off:setthe switch tothe 0033
position.
The inter iorlighting automatically switcheson
if you:
R unlock thevehicle
R open adoor
R remove theSmart Keyfrom theignition lock
The inter iorlighting isswitched onfor aset
time when theSmart Keyisremoved fromthe
ignition lock.Youcanactivate thisdelayed
switch- offusing theon-board computer
(Y page 178). Replacing
bulbs Import
antsafety notes G
WARNIN
G
Bulbs, lampsandconn ector scan get very
hot when operating. Ifyou change abulb,
you could burnyourself onthese compo-
nent s.There isar isk ofinjury.
Allow these compon entstocool down
before changing abulb.
Vehicles withhalogen lamps
Do not use alamp thathasbeen dropped orif
its glass tubehasbeen scratc hed.
The lamp mayexplode if:
R you touch it
R itis hot
R you drop it
R you scratc hit
Only operate bulbsinenclosed lamps
designed forthat purpose. Onlyinstall spare Replacing
bulbs
101Lightsandwindshield wipers Z

Repl
acing the wiper blades
Impo rtant safetynotes G
WARNI
NG
If the windsh ield wiper sbegin to move while
yo ua recha nging thewiper blad es, you
cou ldbe trap ped bythe wiper arm.The re is
ar isko finju ry.
Alw ayss witch offthe windsh ield wiper sand
ig niti onbef ore changing thewiper blad es.
! To
avo idda mag ingthe wiper blad es, make
su re that yout ouch only thewiper arm of
the wiper .
! Neve
ropent he hoo difaw indsh ield wiper
arm hasb eenf olded away from thewind-
shi eld.
Neve rfoldaw indsh ield wiper arm withou ta
wi per blad eb acko nto thewindsh ield .
Hol dthe windsh ield wiper arm firmlywh en
yo uc hange thewiper blad e. Ifyo ur elea se
the windsh ield wiper arm withou taw iper
bl ad ea nd itfal lsonto thewindsh ield ,t he
wi ndsh ield may bedamag edbythe force of
the impact.
Mer cedes-Be nzreco mmend sthat youh ave
the wiper blad es cha nged ataq ualifi ed spe -
cia list wo rksho p.
! Alw
aysp osition the windsh ield wiper arms
verti callybef ore folding them away from the
wi ndsh ield .B yd oing so, youw illa void da m-
ag et ot he hoo d.
Repl acing the wiper blades Remo
vingthe wiper blades
X Tu rn the Smar tKeytopos ition 0047 or0048 in
the igniti onlock (Ypage 118 ).
X Set thewindsh ield wiper topos ition 00AA.
X Whe nthe wiper armsareverti caltothe
hoo d:turn theSmar tKeytopos ition 0092 in the
igniti onlock and remo vethe Smar tKey
(Y page 118 ).
X Fol dthe windsh ield wiper armsawayfrom
the windsh ield . X
Pre ssboth release clips 0044.
X Fol dw iper blad e0043 inthe directi onof
arr ow 0087away from wiper arm 0085.
X Re move wiper blad e0043 inthe directi onof
arr ow 0083.
In stal ling the wiper blades X
Pos ition new wiper blad e0043 with rece ss0084
on lug 0083.
X Fol dw iper blad e0043 inthe directi onof
arr ow 0087onto thewiper arm,unti lreta ining
cli ps 0044 enga geinbra cket 0085.
X Ma kesure that wiper blad e0043 issea ted
corre ctly.
X Fol dthe wiper arm back onto thewind-
shi eld. 10
4 Win
dshi eldw ipersLi ghts andwindsh ield wipers

ECO
star t/s top functi on Dur
ing auto maticeng ineswit ch-off,t he cli-
mat econtrol syst emonlyoper atesata
reduc edcapac ity.Ifyou requi refull clim ate
con trol capac ity,theE CO start /stopf unction
can bedeac tivate dbypres singthe ECO but-
to n( Ypage 122). Oper
ating thec lim atec ont rolsys-
tem s Activ
ating/d eactivatingc lim atec on-
tr ol
Gener alnot es When
thec lim ate control isswit ched off,the
air supply andaircirculat ionare also switched
off .The wind owscouldfog up. Ther efore,
swit choff clim atecontrol on lybrie fly
i Ac
tivate clim atecontrol prim arily usingthe
0058 button( Ypage 111).
Air- condi tioningsyst em X
Turn theS martKey toposit ion0048inthei gn i-
tio nlock( Ypage 118).
X To swit chon: turna irflow control 006B clock-
wise tothed esir edposit ion(excep tposit ion
0 )( Ypage 106).
X To swit choff:tur na irflow control 006B coun -
te r-clo ckwise toposit ion0(Y page 106).
3-z one autom atic clim atec ont rol X
Turn theS martKey toposit ion0048inthei gn i-
tio nlock( Ypage 118).
X To swit chon: pres sthe 0058 button.
The indicat orlamp inthe0058 buttonlight s
up. Airflow andairdist ribut ionare setto
auto maticmod e.
or
X Pre ssthe0078 button.
The indicat orlamp inthe0078 buttongoes
out .The prev iously selecteds ettin gs are
res tored.
X To swit choff:pres sthe 0078 button.
The indicat orlamp inthe0078 buttonlight s
up. Swit
ching cooling withairdeh umidi-
fica tion on/off
Gener alnot es If
you deac tivate the" Coolin gwithair- dehu-
midif ication"fun ction ,the air inside thev ehicle
will notb ec ooled. Theairinside thev ehicle
will also notb ed ehum idified. The wind owscan
fog upmor equick ly.Ther efore, deac tivate the
coo ling with air-dehum idification function only
brie fly.
The "Coolin gwithairdehum idification"fun c-
tio niso nlya vailabl ewhen thee ngine isrun -
nin g.The airinside thev ehicle iscoo ledand
dehum idifiedacc ording tothet em per atur e
selec ted.
Con densation may dripfrom theu nde rsideof
th ev ehicle when itis in coo ling mod e.This is
no rm aland notas ignthat there isam alfunc -
tio n.
Activ ating/d eactivating X
To act ivate: pres sthe 005A or0056 but-
to n.
The indicat orlamp inthe005A or0056 but-
to nl ight sup.
X To dea ctiv ate: pres sthe 005A or0056 but-
to n.
The indicat orlamp inthe005A or0056 but-
to ng oes out.The "Coolin gwithairdehum id-
ific atio n"fun ction has adelayed switch-off
feat ure. 110
Oper
ating thec lima tecontr olsyst emsClima tecontr ol

In
vehicle swithautoma tictransmission,
engage positionsPa nd Ro nly when the
vehicle isstationary .
Where possible,avoid spinning thedrive
wheel swhen pulling awayonslippery roads.
You could otherwise damagethe drive train. Key
positio ns
Smart Key 005A
Toremove theSmartKey
0047 Power supplyfor some consumers, such
as the windshi eldwipers
0048 Ignition (powersupp lyfor allconsumers)
and drive positio n
0049 Tostart theengine
i The
SmartKey canbeturned inthe ignition
lock even ifit is not thecorrect SmartKey
for the vehicle .The ignition isnot switched
on. The engine cannot bestarted.
KEY LESS-GO Gene
ralnotes
Vehicle swithKEYLESS- GOare equi pped with
aS martKey featuringanintegrated KEYLESS-
GO start function andadetachab leStart/St op
button.
The Start/St opbutton mustbeinserted inthe
ignition lockandtheSmartKey mustbeinthe
vehicle .
When youinsert theStart/St opbutton into
the ignition lock,thesystem needsapprox-
imatel ytwo seconds recognition time.Youcan
then usetheStart/St opbutton.
Pressing theStart/St opbutton several times
in successio ncorresponds tothe different keypositio
nsinthe ignition lock.Thisisonly the
case ifyou arenot depres singthebrake pedal.
If you depres sthe brake pedaland press the
Start/St opbutton, theengine startsimmedi -
ately .
Ac heck which periodicallyestabl ishes aradi o
connection betweenthe vehicle andthe
SmartKey determines whetheravalidS mart-
Key isin the vehicle .This occurs, forexample ,
when starting theengine.
To start thevehicle withoutactively usingthe
SmartKey:
R the Start/St opbutton mustbeinserted in
the ignition lock.
R the SmartKey mustbeinthe vehicle .
R the vehicle mustnotbelocked withthe
SmartKey orKEYLESS- GO(Ypage 66).
Do not keep theSmartKey:
R with electronic devices,e.g.amobilephone
or another SmartKey.
R with metall icobjects, e.g.coins ormetal
foil.
R inside metallicobjects, e.g.ametal case.
This canimpa irthe functionality ofthe KEY-
LESS- GOkey.
If you lock thevehicle withtheSmartKey's
remote controlorwith KEYLESS- GO,after a
short time:
R you willnot be abletos witch onthe ignition
with theStart/St opbutton.
R you willnot be abletos tart theengine with
the Start/St opbutton untilthevehicle is
unlocked again.
The engine canbeswitched offwhil ethe vehi-
cle isin motion bypressing andholdi ngthe
Start/St opbutton forthree seconds. This
function operatesindepe ndently ofthe ECO
start/stop automaticengine switch-off func-
tion. 118
Drivi
ngDrivi ngand parking

Key
positions with KEYLESS- GO 0043
Start /S topb utto n
0044 Ignition lock
As soo nasthe ignition isswit ched on,allth e
ind icat orlamps inthei nstrumen tclus terligh t
up. Further inform ation onsituati onsw herean
ind icat orlamp either fails togo out afterstart -
ing thee ngineo rligh tsup while driving
(Y page 211).
If St art /S topb utto n0043 has notyet been
pre sse d,this co rrespo ndstot he keyb ein g
rem ovedfromt heignition .
X To swit chon thep ower supply:pre ss
St art /S topb utto n0043 once.
The power supplyiss wit ched on.Y ou can
no wa ctivat ethe win dsh ield wiper s,for
ex ample .
The power supplyiss wit ched off again if:
R thed river' sd oor isopen edand
R you pressStart /S topb utto n0043 twice
when inthis posi tion
X To swit chon thei gnit ion: pressStart /
St op but ton0043 twice.
The ignition isswit ched on.
If you pressStart /S topb utto n0043 once
when inthis posi tion ,the ignition is
swit ched off again .
Rem oving theS tart/ Stop but ton
You canremove theS tart/S topb utto nf rom
th ei gn ition locka nd start thev ehiclea snor-
mal usingthe Sm artKey.
X Remo veStart /S topb utto n0043 from ignition
loc k0044. You
donoth ave torem ove theS tart/S topb ut-
to nf romt heignition lockw hen youleavethe
veh icle. You should, howe ver,always takethe
Sm artKey withyou when leavingthev ehicle.
As longasthe Sm artKey isin thev ehicle:
R thev ehiclec an be start ed usin gthe Start /
St op but ton
R thee lectrical lypower edequipm entc an be
oper ated St
artin gthe engine
Imp ortant safety notes G
WAR
NING
If ch ildr enare leftu nsuper vised inthev ehi-
cle ,the yc ould:
R oper atethev ehicle's equipm ent
Ad dition ally, childr encould set thev ehiclei n
mot ionif,for example ,the y:
R rele ase thep ark ing brak e
R shif tthe auto matictrans mis sion outof
park position005D
R start thee ngine
Ther eisar isko fana cciden tand injury.
Nev erleav echildr en oranim alsunat tend ed
in thev ehicle.
When leavingthev ehicle, always takethe
Sm artKey withyou and lockthe veh icle. This
also applie sfor theD igita lV ehicleK eyifth e
"Di gitalVeh icleK ey" function isact ivat edvia
Mer cedesme conn ect . G
DANG
ER
Comb ustion engin esemit poisonous
ex haust gasessucha scarbon mon oxide.
In halin gthese exhaust gasesish azardo usto
healt hand can result inpois oning .Ther eisa
ris ko ffatal inj ury. Ther efore, never leav ethe
en gin erunnin gane nclosed spac ewithout
adequat eventilati on. G
WAR
NING
Flam mable materialsint rod uce dthroug h
en viron men talinfluen ceorby anim alscan Driv
ing
119Drivingand parki ng
Z

ignit
eifinc ontac twith the exhaus tsyst em
or part softhe engin ethat heat up.There is
ar isk offire.
Carry outregular checkstomake surethat
the reare noflamm ableforeign mate rialsin
the engin ecom part men torint he exhaus t
syst em.
Durin gacoldstar t,the engin eruns athigher
speeds toenable thecatalytic convert erto
reach itsoperat ingtem perat ure.Thesound of
the engin emaychan gedurin gthis time.
Autom atic transm ission X
Depr essthebrak epedal andkeep it
depres sed.
X Shif tthe transm ission toposit ion005D.
Tran smiss ionposit iondisplay 005Disshown
in the multif unction display.
i You
canstartthe engin eint ransm ission
posit ion005Dand 005C.
Sta rting procedur ewiththeS ma rtKey To
star tthe engin eusing theSmar tKey inst ead
of KE YLE SS-GO, pulltheStart/ Stop butt onout
of the ignit ionlock .
X Turn theSmar tKey toposit ion0049
(Y page 118)inthe ignit ionlock andrelease
it as soon asthe engin eisr unn ing.
Using KEYLESS-GO tosta rtthee ngine The
Start/ Stop butt oncan beused tostar tthe
vehic lemanually withoutinse rting the Smar t-
Key intot he ignit ionlock .The Start/ Stop but-
ton must beinse rted inthe ignit ionlock and
the Smar tKey must beinthe vehic le.This
mode forstar tingt he engin eoperat esinde-
pende ntly of the ECO start/sto pautom atic
engin estartfunc tion .
X Depr essthebrak epedal andkeep it
depres sed.
X Press theStart/ Stop butt ononc e
(Y page 118).
The engin estarts. Pulling
away
Gener alnotes G
WARN
ING
If the engin espeed isabove theidling speed
and youengag etransm ission position003A
or 0046,t hevehic lecould pullaway sud-
denly. Thereisar isk ofan acc ident .
When engagingtransm ission position003A
or 0046,a lwaysfirmlydepres sthe brak e
pedal anddonot simult aneously accelerat e.
! Change
gearingood timeand avoid spin-
nin gthe wheels. Youcould otherwise dam-
age thevehic le.
Depr esstheaccelerat orcaref ullywhen pulling
away.
The vehic lelock scentrally onceyou have
pulled away.Thelockingknobs inthe doors
drop down.
You canopen thedoors fromt heinsid eatany
tim e.
You canalso deact ivatethe autom aticlocking
feat ure (Ypage 179).
It is only possible toshift thetransm ission
fro mp osition 005Dtothe desired positionifyou
depres sthe brak epedal. Onlythenist he shift
lock released .
i Upshif
tstak eplace athigher engine
speeds afterac old star t.This helps thecat-
alytic convert erto reach itsoperat ingtem -
perat uremore quickly.
Inf ormat iononthe autom aticrelease ofthe
elect ricpark ingbrak e(Ypage 136).
Hill startassist Hill
star tassist helps youwhen pulling away
for ward orinreve rseonanuphill gradien t.It
holds thevehic lefor ashor ttim ea fter you
have removedyour footfromt hebrak epedal.
This gives youenoug htimet om ove your foot
fro mt hebrak epedal tothe accelerat orpedal
and todepres sitb efor ethe vehic lebegin sto
roll. 120
DrivingDriving
andparking

G
WARNING
After ashort time, hillstart assistwil lnol on-
ger brake yourvehicl eand itcoul droll awa y.
There isar isk ofan accide ntand injury .
There fore,quickly move yourfoot from the
brake pedaltot he accele ratorpedal.Never
lea vethe vehicl ewhen itis held byhillstart
assi st.
Hill start assistisnot active if:
R you arepulling awayonal evelroad oron a
dow nhill gradient
R the transmissi onisin posi tion 005C
R the electric parkingbrake isapp lied
R ESP ®
is malfu nctioning EC
Os tart/stop function
Introduc tion The
ECO start/stop functionswitches the
engine offautomatical lyifthe vehicl eiss top-
ped under certain conditions.
The engine startsautomatica llywhen the
drive rwants topul lawa ya gain. The ECO
start/stop functiontherebyhelpsyou to
redu cethe fuel consumpti onand emiss ionsof
you rvehicl e.
Important safetynotes G
WARNING
If the engine isswi tched offautomatica lly
and youexit thevehicl e,the engine is
restarted automatical ly.T he vehicl emay
begi nmoving. Thereisar isk ofaccide ntand
injury .
If you wishtoe xitthe vehicl e,alw ayst urn
off the ignitio nand secure thevehicl e
aga inst rolling awa y. Gene
ralnote s 0043
ECO start/stop display
The ECO start/stop functionisactiva ted
whene veryou switch onthe engine using the
SmartKey orthe Start/Stop button.
If the engine hasbeen switched offautomati-
call ybythe ECO start/stop function,the00D6
ECO symb olisshow nint he multi function dis-
pla y.
Automatic engineswitch-off If
the vehicl eisb raked toas tandstil lwith the
transmissi onin005B or005C,t heECO start/stop
function switches offthe engine automatical ly.
The ECO start/stop functionisopera tional
when:
R the indica torlamp inthe ECO button islit
green
R the outsi detempera tureiswithi nthe range
that issui table forthe system
R the engine isat normal operatingtempera -
ture
R the settempera tureforthe vehicl einterior
has been reache d
R the battery issuffi ciently charged
R the system detects thatthewinds hieldis
not fogged upwhen theair-condi tioningsys-
tem isswi tched on
R the hood isclosed
R the drive r'sdoor isclosed andthedrive r's
seat beltisf astened
All ofthe vehicl e'ssystems remainactive
when theengine isstoppe dautomatical ly.
Automatic engineswitch-off cantake placea
maximu moffour times inar ow (initi alstop,
then three subsequ entstops).
The HOLD function canbeactiva tedifthe
engine hasbeen switched offautomatical ly.I t
is then notnecessa ryto continue applying the
brakes duringthe automatic stopphase.When
you depre ssthe accele ratorpedal,the engine Drivi
ng
121Drivi ngand parking Z

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
coolant tempera-
ture display showsa
value above 248‡
(120 †).The coolant
warning lampmayalso
be on and awarning
tone maysound. The
coolant levelistoo low. Thecoolant istoo hotand theengine is
no longer beingcooled sufficiently.
X Stop assoon aspossible andallow theengine andthecoolant to
cool down.
X Check thecoolant level(Ypage 243). Observe thewarning notes
as you dosoand add coolant ifnecessary. If
the coolant leveliscorrect ,the engine radiator fanmay befaulty.
The coolant istoo hotand theengine isno longer beingcooled suf-
ficiently.
X At coolant temperatures below248‡(120 †),drive tothe near-
est quali fiedspecialist workshop.
X Avoid heavy loadsonthe engine asyou doso, e.g. driving in
mountainous terrainandstop-and- gotraffic. Notes
ontowing vehicles
The vehicle isnot suitable forattaching tow
bar systems, suchasthose usedforflat tow-
ing ordinghy towing.
Att aching orusing towbarsystems mayresult
in damage tothe vehicle.
When towing avehicle withtowbarsystems,
safe driving characterist icscannot beguaran-
teed forthe towing vehicle orthe towed vehi-
cle.
The vehicle/vehicle combinationmayswerve.
Observe thepermissible towingmethods
(Y page 265)andthenotes ontowing with
both axles onthe ground (Ypage 265). DYNAMIC
SELECTbutton
Use theDYNAMIC SELECTbutton tochange
the drive program. Depending onthe drive pro-
gram selected thefollowing vehiclecharacter-
istics willchange:
R the drive (engine andtransmission manage-
ment)
R the suspension orthe adaptive adjustable
damping onlyonvehicles withAMG RIDE
CONTROL sportssuspension
R the sound ofthe exhaust system(vehicles
with sports exhaust system)
R the steering
R the availa bilityofthe ECO start/ stopfunc-
tion Each
timeyoustart theengine withtheSmart-
Key orthe Start /Stopbutton, driveprogram C
is activated. Forfurther information about
startin gthe engine, see(Ypage 119). X
Press DYNAMIC SELECTbutton 0043asmany
times asnecessary untilthedesired drive
program isselected.
The selected driveprogram appearsinthe
multifunct iondisplay .After as hort period of
time, thedisplay goesoutand thesymbol
for the selected driveprogram appears.
In addition, thecurrent driveprogram set-
tings aredisplay edbriefly inthe multimedia
system display.
i In
af ew countr ies,theECO start/ stop
funct ionisdeactivated atthe factory dueto
the availa blefuel grade. Inthis case, the
ECO start/ stopfunct ionisnot availa blein
any drive program, regardless ofthe display
in the multimedia systemdisplay.
In city traffic andstop-st arttraffic, drivepro-
gram Cis recommen ded. 124
DY
NAMIC SELECTbutt onDriving andparking