#
Donotalt er theengine oiloroil /lter in
or der toachie velong erchang eint erva ls
th an prescr ibed. #
Donotuse addit ives. #
Have theengine oilchang edaTer the
pr escr ibed interva ls. Mer
cedes-Benz recommen dshavin gth eoil
ch ang edataqu ali/ed special istwo rkshop.
Onl yuse engineoils appr ovedfo ryo ur vehicle by
Mer cedes-Be nz.
Qua lityand capac ityofengine oil Qua
lityand capac ityofengine oil
Engine oil Engine
oilspe ci/cation s spe
ci/cation s Ga
sol ine engines Ga
sol ine engines MB-Fr MB-F
reig eig
abe orMB- abe
orMB-
Appro v Appro
val al
CL S450 4MATIC 229.51,229.5 2,
229.6 1,229.7 1
229.7 2*
All other model s2 29.51,229.52,
229.61
229.71* *
Re commen dedforlo we stpo ssible fue lco n-
su mp tion (lowe stSA Eviscosity classineac h
case; observepossible restr iction sof the
appr ovedSA Eviscosity classes).
To achie vethelowe stpo ssible fue lco nsum ption,
it is recommen dedtouse theengine oilspeci/c a-
tion smar kedin theta ble forth elowe stSA Evis-
cosity class.Possible restr iction sof theappr oved
SA Eviscosity classesmustbeobser ved.
The follo wing values referto an oilchang e,incl ud-
ing theoil /lter.
Engine oil Engine
oil/lling /lling
capac ity capac
ity ModelModel
Capacity Capacity
CL S450 10.0USqt(9.5 liter s)
CL S450 4MATIC 9.0USqt(8.5 liter s) NNo o
t t
es on br es
on brak ak
e e
0uid 0uid
Obser
vetheno teson oper ating0uids
(/ page336). &
W W
AR NIN G AR
NIN GRisk ofan acciden tdue to
va por pockets form ing inthebr ak esy stem
The brak e0uid const antlyabsorbs moisture
fr om theair .This lowe rstheboiling pointof
th ebr ak e0uid. Ifth eboiling pointistoolow,
va por pockets ma yfo rm inthebr ak esy stem
when thebr ak es areapplied hard.
This causes thebr aking e.ect tobe impair ed. #
Have thebr ak e0uid rene we dat the
speci/ed interva ls. Ha
ve thebr ak e0uid regula rly re placed ataqu ali-
/ed special istwo rkshop.
Onl yuse abr ak e0uid approvedby Mer cedes-
Benz accor ding toMB-F reigabe orMB- Appr oval
331. 0. Coolan
t Coolan
t NNo o
t t
es on coolan t es
on coolan t
Obser vetheno teson oper ating0uids
(/ page336). 340340
Te
ch nica ldat a
Engi
neoil Engi
neoil DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/consequences and uences
and0050 0050
Solu tions Solu
tions
00B3
Che ckEngine OilLevel
(Add 1qua rt) *T
heeng ineoilleve lhas dropped totheminimum leve l.
* N NO O
TE TE
Engine damagecaused bydriving withinsu1cien tengin eoil #
Avoid long journeys wit hinsu1cient engineoil. #
When next refuel ing, add1.1 USqt(1l)of engi neoil(/ page 271).
No teson eng ineoil(/ page339).
00B3
Engine OilReduce Oil Leve l *T
heeng ineoilleve lis toohigh.
* N NO O
TE TE
Engin edamag ecaused bydriving withex cess engineoil #
Avoid long journeys wit hex cess engineoil. #
Consu ltaquali/ed specialistwo rkshop immed iatelyand have theengine oilleve lre duced.
00B3 Engine OilLevel LowStop
Vehicl eTurn Engine Off *T
heeng ineoilleve lis toolow.
* N N
O O
TE TE
Engine damageca use dby driving withinsu1cien tengin eoil #
Avoid long journeys wit hinsu1cient engineoil. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. Displa
ymessag esand warning/in dicatorlam ps
395 395
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons #
Switc ho. theve hicle. #
Add1.1 USqt(1l)of engin eoil (/ page271). #
Chec kth eengine oilleve l.
No teson eng ineoil(/ page339).
00B3
Engine OilPre ssu reStop
Swi tch OffEngine *T
heoilpressur eis toolow.
* N N
O O
TE TE
Engine damageca use dby driving withinsu1cien toil pressur e #
Avoid drivin gwit hinsu1cient oilpressur e. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions. Donotcontinue driving. #
Switc ho. theve hicle. #
Con sult aquali/ed specialistwo rkshop.
00B3
Engine OilLeve lCa nnot Be
Mea sured *T
heelect rical conn ectionto theoil leve lsensor hasbeen interrupted ortheoil leve lsensor isfaulty . #
Consult aqu ali/ ed spec ial ist wo rkshop. 396396
Displ
aymessag esand warning/in dicatorlam ps
WW
ar ar
nin g/ind icat nin
g/ind icat orlam pP or
lam pP ossiblecauses/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions #
Notethemessag eson theinstr ument display.
If t If
the coolan tt he
coolan ttem em
per per
atur atur
edispl a e
displ ay is at t y
is at the low he
lower end oft er
end ofthe t he
tem em
per per
atur atur
escale: e
scale: #
Con sult aquali/ed specialistwo rkshop.
If t If
the coolan tt he
coolan ttem em
per per
atur atur
edispla e
displa yis at t y
is at the upper endoft he
upper endofthe t he
tem em
per per
atur atur
escale: e
scale: #
Exit theve hicle andkeep asaf edist ance from ituntil theengine hascooled down. #
Chec kth ecoolant leve l(/ page272). #
Mak esur eth at theair suppl yto thera diat orisno tobstr ucted. #
Avoiding highloads ontheengine, drive to thenear estquali/ed special istwo rkshop. Indoin gso, ensu rethat the
coolant temp eratur edispla yre mains belowthere dar ea.
ÿ Coolant warning lamp(yel-
lo w) *T
he yello wcoolant warning lampis lit while theengine isrunning.
Po ssible causes:
R The temp eratur esensor ismalfunctionin g
R The charge air,tr ansmi ssionoilorbatt erycooli ngisfaulty
R The radiat orshutt ersar ebloc kedor def ectiv e #
Avoiding highloads ontheengine, drive to thenear estquali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
401 401
Ac
tiveLane ChangeAssi st<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 182
Fu nctio n........... ..................................... 179
Sy stem limits............. ............................ 179
A A
ctiv ctiv
e e
Tr Tr
a1c a1c
JamAssis t Jam
Assis t
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 179
Fu nctio n........... ..................................... 178
A A
dap dap
tiv tiv
ecr e
cr uis econt r uis
econt rol ol
see ActiveDist ance AssistDIS TRONI C
A A
dap dap
tiv tiv
eHighbea mAssi st e
Highbea mAssi st
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 117
Fu nctio n........... ..................................... 116
A A
dap dap
tiv tiv
eHighb eamAssis e
Highb eamAssistPlus t
Plus
Fu nctio n........... ..................................... 117
Switc hingon/o ........... .......... ................118
A A
ddi tiv ddi
tives es
Engine oil........... ....................................339
Fu el..... .................................................. 339
A A
dditiv dditiv
es(engine oil) es
(engine oil)
see Additiv es
A A
dditiv dditiv
es(fuel) es
(fuel)
see Fuel
ADS PL ADS
PLUS dam US
dam ping syst ping
system em
see AIRBOD YCO NTR OL ATer ATer
-sales -sales
ser ser
vice vi
ce
see ASSYST PLUS
Air bag Air
bag
Re duced protection .................................. 41
AIR BOD AIR
BOD YC Y
CONTR ONTR
OL OL
Se tting......... .......... ................................197
Suspension... .........................................1 96
Air conditioning menu Air
conditioning menu
Calling up.............................................. 128
Air dis Air
distr tr
ibution ibution
Se <00550055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F> .......................................127
Se tting (MBUX multimedia system)..... ....129
Air fr Air
freshener syst eshener
system em
see Frag rance system
Air inle t Air
inle t
see Air-water duc t
Air pr Air
press ure ess
ure
see Tire pressur e
Air suspension Air
suspension
see AIRBOD YCO NTR OL
Ai rv Ai
rvent s ent
s
Ad justing (front).....................................132
Ad justing (rea r)..... ................................. 133 Air
v Air
vents ents
se eAir vents
Air Air
-co nditi oning syst -co
nditi oning system em
see Clim atecont rol
Air Air
-r -r
eci r eci
rcul atio nmod e cul
atio nmod e.............. ....................130
Air Air
-w -w
at at
er duc t er
duc t
Ke eping free......... ................................. 274
Airbag Airbag
Activ<00420055004A0050004F000F000F000F000F000F000F000F000F000F000F000F
000F000F> <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 34
Au tomatic co-driver airbag shuto.............4 2
Fr ont airbag (driver ,fr ont passeng er)........ 39
Inst allation locations ................................ 39
Knee airbag... ........ .................................. 39
Ov ervie w.... .............................................. 39
PA SSENGE RAIR BA Gind icat or lamp s...... 43
Pr otection.... ............................................ 40
Side airbag....... ....................................... 39
Wi ndo wcur tain airbag .............................. 39
Air0 ow Air
0ow
Se tting .... ............................................... 127
Ala rm Alar
m
see Panic alarm
Alar Alar
msyst m
system em
see ATA (anti-theT alarmsystem) 414414
Inde
x
Choc
k Choc
k
St orag elocation.. ................................... 324
Choc k Choc
k
see Choc k
City lightin g City
lightin g.................................................. 115
Cleanin g Cleanin
g
see Care
Climat Climat
econtr e
contr ol ol
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 128
Ac tivating/dea ctivating theA/C func-
tion (contr olpanel).. ...............................1 28
Ac tivating/dea ctivating theA/C func-
tion (MBUX multimedia system) .............. 129
Ac tivating/dea ctivating thesync hro-
nization function (controlpanel)....... ......1 29
Ac tivating/dea ctivating thesync hro-
nization function (MBUXmultimedia
sy stem) .......... ........................................ 130
Air -recir culation mode............................1 30
Au tomatic control... .............................. .1 29
Calling uptheair conditioning menu.......128
Climat esty lefunction ............................ 129
Contr olpanel for3-zone automatic
climat econtr ol...... ........... ...................... 127 Contr
olpanel fordual-zone automatic
climat econtr ol....... ................................127
Defr ostin gth ewindshield... .................... 127
Fi lling capac ityforPA Goil ......................3 43
Fr ont airvents.... .......... ..........................132
Inf orma tion onthewindshield heater..... .1 32
Inser ting/r emoving the0aco n(fr a-
gr ance system) ...................................... 131
Ioni zation ............................................... 130
No te<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 127
Re ar air vents.... .......... ...........................133
Re frig er ant ............ .................................3 42
Re frig er ant /llin gca pa city... ............ ....... 343
Re mo vingconden sationfrom thewin-
do ws <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 130
Re sidual heat......................................... 130
Se tting (MB UXmult imedi asy stem) ......... 128
Se tting theair distr ibution... ................... 127
Se tting theair0o w...... ......................... ... 127
Se tting theclimat esty le...... ................... 129
Se tting thefrag rance system........... .......130
Se tting theve hicle interior temp era-
tur e..... .................... .............................. 127
Switc hingthere ar wind owheat er
on/o. .............................. ..................... 127 Ve
ntila ting theve hicle (convenienc e
ope ning). .......... ....................................... 76
Clim at Clim
ates e
sty ty
le le
Fu nctio n.......... ...................................... 129
Se tting .......... .......... ...............................129
Co-dr Co-dr
iv iv
er airbag er
airbag shut shut
o. o.
see Automatic co-driver airbag shuto.
Coc Coc
kpit kpit
Ov ervie w.... ................................................ 6
Co.ee Co.ee
cupsymbol cup
symbol
see ATTEN TIONASSIS T
Col lision det Col
lision detecti on(par k ecti
on(par ked v ed
vehi cle) ehi
cle)
Se tting ......... ......... .................................161
Com bination switch Com
bination switch......... ............................112
Com Com
ponen t-speci/ c ponen
t-speci/ cinf inf
or or
mation mation........
...........334
Com Com
put put
er er
see On-boar dcom puter
Connecting t Connecting
the par he
par cel net cel
net..... ....... ................104
Con v Con
venience closing enience
closing........ ..............................76
Con v Con
venience opening enience
opening.... ................................. 76
Coolant (engine) Coolant
(engine)
Capac ity.......... ....... ...............................341 418418
Inde
x
DisplaDispla
y(car y
(car e) e)
.... ........................................... 278
Displa Displa
y(MBUX multimedia syst y
(MBUX multimedia system) em)
Home screen... ...................................... 225
Oper ating. ............................................ .2 26
Displa Displa
y(on-boar y
(on-boar dcom d
com put put
er) er)
Displa yson theinst rument displa y......... 220
Disp la Disp
lay in t y
in the winds hield he
winds hield
see Head-up Display
Disp la Disp
lay mes sage y
mes sage
Call ingup(on-b oardcom put<00460053000A000F000F000F000F000F000F000F000F000F000F000F000F000F
000F> 345
No tes... .................................................. 345
Di sp la Di
sp lay messag y
messag es es
ç ---mp h<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 371
h ---mp h<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 371
003D 12VBatt erySee Oper ator's
Manual <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 387
00D7 48VBatt erySee Oper ator's
Manual <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 389
: ActiveHeadl ampsInop erativ e....... 352
é ATTEN TIONASSIS TIno per ative..... 370 é
ATTEN TIONASSIS T:Take a
Br ea k!...... .............................................. 371
: Automatic Headlam pMode
Inoper ative.............................. ............... 352
0027 CheckBr ak eFluid Level................ 369
00BD CheckCoola ntLevelSee Oper -
at or's Manual. ........................................ 359
00B3 CheckEngine OilLevel(A dd 1
qu art)... ........................... ......................3 95
: CheckLeT LowBeam (exa mp le)... 351
0077 CheckTire s<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 391
00B2 CheckWa sher Fluid... ...................3 58
ÿ Coolant TooHo tSt op Vehicle
Tu rn Engi neO... .................................... 360
0025 Currentl yUna vailable SeeOper -
at or's Manual. .............................. .......... 382
00E5 Currentl yUna vailable SeeOper -
at or's Manual. ........................................ 383
Á Don't Forget Your Key<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 350
00CC Drive Mor eSlo wly <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F> 38100B3
Engine OilLevelCanno tBe
Measur ed........ ............ ..........................396
00B3 Engine OilLevelLo wStop Vehi-
cle Turn Engi neO... ...............................3 95
00B3 Engine OilPressur eSt op Switc h
O. Engin e....... ............ ........................... 396
00B3 EngineOil Reduce OilLevel........... 395
0075 Front LeT Malfu nction Service
Re quired (examp le)...... ..........................346
00B6 FuelLevelLo w... ...... ..................... 361
00B6 GasCap Loose ............................. 361
0025 Inoper ativeSee Oper ator's
Manual....... ...........................................3 83
00E5 Inoper ativeSee Oper ator's
Manual....... ...........................................384
007A Inoper ativeSee Oper ator's
Manual....... ...........................................385
0053 Inoper ative....... ............................ 386
: Intell. Light System Inoper ative..... 353
Á KeyBe ing Ini tia lized Please Wait.... 351 420420
Inde
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Emer
g Emer
gency ency
Assis tance overview. <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 14
Fi rs t-aid kit(soT side <0045000A000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 282
Re 0ectiv esaf etyve st.. ........................... 281
Re mo vingth ewa rning triangle..... .......... 281
Se tting upthewa rning triangle.......... .....282
Emer g Emer
gency br ency
braking aking..
.................................... 161
Emer g Emer
gency br ency
braking aking
see BAS (BrakeAssi stSystem)
Emer g Emer
gen cy call en
cy call
see Mercedes-Benz emergency callsy stem
Eme rg Emer
gency key ency
key
Loc king/unloc kingthedoor s.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 68
Emer g Emer
gency oper ency
operation mode ation
mode
St artin gth eve hicle. ...............................1 36
Emer g Emer
gency r ency
release elease
Tr unk lid(from inside).... ...........................74
Emer g Emer
gency spar ency
sparewheel e
wheel
No tes... .................................................. 330
Em erg Em
ergenc yT en
cy Ten sion ing De en
sion ing De vices vi
ces
Ac tiv<00420055004A0050004F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 34
Engine Engine
Engine number <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 335St
artin g(emer gency operation mode ).... 136
St artin g(R emo teOnlin e)........................ 137
Engin edat a Engin
edat a
Displa ying.............................................. 148
Engin enumber Engin
enumber. ............................... .............3 35
Engine oil Engine
oil
Ad ditiv es..... ............ ............................... 339
Capacity.. ................ .............................. 340
Chec kingtheoil leve lusing theon-
boar dcom puter...... ...............................2 70
MB-F reigabe orMB- Appr oval.. ................3 40
Quality..... .............. ................................340
Re /lling .................................................. 271
Er r Er
ror mes sage or
mes sage
see Displaymes sage
ES C(Ele ctr ES
C(Ele ctronicSt onic
Stabili tyCon tr abili
tyCon trol) ol)
see ESP®
(Elect ronic Stabili tyProg ram)
ESP ESP
® ®
Cr osswind Assist.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 166
ESP ESP
® ®
(El ectr (El
ectronic St onic
Stabili tyPr abili
tyProg r og
ram) am)
Ac tivating/dea ctiv<00420055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 166
Fu nctio n/no tes... ................................... 165 Ext Ext
er er
ior lightin g ior
lightin g
Car e................. .....................................2 77
Ext Ext
er er
ior lighting ior
lighting
see Lights
Ext Ext
er er
ior mir r ior
mir ror s or
s
Au tomatic mirrorfo lding function. .......... 126
Pa rking position....... .............................. 125 FF
F F
atigue det atigue
detection ection
see ATTEN TIONASSIS T
F F
ir s ir
st-aid kit t-ai
dkit (soT (s
oT sided) sid
ed)............. ....................282
Fla con Fla
con
Ins erting/r emoving...... .......................... 131
Fla ttir e Fla
ttir e
Cha nging awh eel......... .......................... 324
MOEx tended tires.......... ........................283
No tes... ............ ...................................... 282
TI RE FITkit.... ...... .................................... 284
Fl at to Flat
towing wing
see Tow- bar system
Floor mats Floor
mats.. ............ .....................................1 09
F F
og light (enhanced) og
light (enhanced).... ................................. 115 Inde
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425 425