engine MERCEDES-BENZ CL COUPE 2006 Service Manual

342 Con
trols
Auxilia ryhea ting /ventilation*
Th eindicator lamp sin the button maylight
up in blu e,red or yellow.
6 Make sure tha tthe engine is notru n-
ning.
6 Todeactivate /activate: briefly press
up per or lower se ction of rocker
sw itch 1.
Th ered or blue indi cator lamp in rock er
button 1islit. Th eau xiliary heati ng or
vent ilati on is sw itch ed on. Yo
uma yper form the following usingt he
remote contr ol:
! switc hthe auxiliary heating/
venti lation on /off
! check th esta tusof the auxiliary
heating /ventila tion
! sele ctadeparture time
! set a departure ti me
Th e remot econt rol has a maximum range
of app roxima tely 300 metres.The range
ma ybe redu ced by:
! sou rces of radio inter fere nce
! solido bjects betwe enthe re mote con-
tr ol an d the vehicle
! the re mote control being inan unf a-
vour ablepo sition in rel ation to th eve-
hicle
! transmit ting from an enclose dspace
i Theo ptim umrange can only be ac hieved
if you holdtheremot eco ntrol vertically upwards
when you press one ofthe bu ttons.Y our ve hi-
cl e’s equipment include sone remot eco ntrol.
Two more remot eco ntrol smay be used for ea ch ve
hicl e.Forfu rthe r information, consu lt a quali-
fied spe cialist workshop, e. g.a Mercede s-Benz
Ser vice Centre.
i Whenthe ba tteries in the remote control are
nearly disc harged, abatte ry icon appears on the
rig ht ofthe disp lay. Re place the remot eco ntrol
ba tteries (
=page 475).
1 Displ ay
2 Tocallup the statu sor set departu re
time
3 OFF button
4 ON button
5 Tocallup the statu sor set departu re
time In
dica tor la mp Auxiliary
heating Blue Auxili
aryvent ila-
tion switche don Red Auxili
aryhe ating
switc hedon Yellow Swi
tch-on time
presele cted
( = page 214) Rem
ote co ntrol
P83.70-4945-31216_R
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345
Con
trols
Hea ter boost ersystem (vehicl eswith auxiliary heating*)
Th ehe ater booster syste mhelps the en-
gine to re ach its operati ngtem pera ture
mo re qui cklyafter it is st arted, andhe lps
the interior to warm upmo requickly.
Th ehe ater booster syste mswitche sits elf
on if:
! theou tside te mperat ureis belo w8°C
! the coolan t te mperatu reisbelow
70 °C
i Thetank mu stbe filled uptothe reserve fuel
le ve l at least toensure theheater boos tersy s-
tem wo rks. 1
Toswitch th ehe ater bo oster syste mon
or off
2 Indic ator la mp
You can also switch on the heate rbooster
syst emmanual lyto crea te a mor ecomfort-
ab letemper ature, e. g.at outsidet em pera-
ture sab ove9°C.
6 To switc hon or off: makesure th e en-
gine isrunning.
6 Push rocke rswi tch1 brief lyup or
do wn. He
ater booster syst em
(v ehicles with au xiliary heati ng*) G
Risk offire and poi soning Ex
haus tfum esare pro ducedwhen the heat-
er boost ersys temi sin op eration. Sw itch off
the heater booster system theref ore incon-
fi ne dsp aces without an extraction system,
e. g. in garages.
Op eratio n of the heater booster systemis
pr ohib itedat filling stat ions orwhen yourve-
hicle isbe ing refuelled. Youmu sttherefore
sw itch off the engine atfillin gs tati ons. In
dica tor la mp Hea
terboo ster
sy stem On sw
itche don Off sw
itche doff P83.70-4943-31216_R
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372 Operation
The first
1,500 km
If you treat th eengine with su fficient care
from thevery start, itwi llre ward youwith
ex ce llen t perform ance fora very long peri-
od afterw ards.
! Yoush ould th erefore dri veat varying
road and engine speeds for the firs t
1, 500 km.
! Avoid heavy loads, e. g.driving atfull
throttle, during thi stim e.Do not ex-
ceed an en gine speed of4,00 0rp m.
! Change gear in good tim e.
! Donot cha ngedown a gear man uallyin
ord erto brake.
! Try to avoid depressi ngthe accelerator
pedal beyond th epressure point (ki ck-
down).
! Onlyus era nges 3, 2or1forslow driv-
ing, e. g.in mo untainou sterr ain.
After 1,500 km youma y gr adually bring
the vehicle upto full road anden gine
speeds. Add
itiona lnotes for AMG vehicl es:
! Donot exce ed asp eed of140 km /h
during th efirst 1,500 km.
! Onlybri ng theen gine up toama ximum
speed of 4,500 rpm for a brief period.
i You should also obser vethese notes if the
engine or differe ntial on your vehicleh as be en
replaced. Th
efirs t1 ,500 km 216_R
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373
Operation
Ref uelling
Th efu el filler flap is unlo cked andlock ed
au tom atically with the key or KEYLESS
GO* when yo uop en orclos eth eve hicle.
Th e fuel filler flap is lo cated to th ere ar on
the right-hand side. 1
Toopen the fuel filler flap
2 Toinsert the fuel filler cap
3 Tyre pressure stable
4 Retainer for fuel filler cap
6 Remove theke yfrom the ignition lock.
6 Press on fuel fill erflap 1in the direc-
tion of the arrow.
The fuel filler flap fol dsout.
6 Turn th e fue lfiller capant i-cl oc kwise
an d remove it.
6 Insert the fuel filler cap into the retai n-
er on the inside ofthefuel fi llerflap.
6 Only fill the tank unt ilthe pu mpnozzle
sw itche sof f. 6
Replace thefuel filler cap andturn it
clockwi se.
You will hear thefuel fill ercaplock.
6 Clos eth efu el filler flap until yo uhe ar
the catch engage. CL
500
! Refuel only wit hunleaded premium
grade petrol of at lea st95 RO N/85MO N,con-
forming to theEu ropean standard EN228 .The re
is ot herwise a ris kof impaired engin eperform-
ance orengine damage.
Yo uw ill find furt her informat ion abo utpetrol in
th e" Tech nica l data" section (
=page 519).
i Youw ill generally find inform ation on the
petrol grade on thefilling pump. Otherwise, ask
th e filling station at tendant.
i Asate mporary measure and only if therec-
om mended fuel isnot available, you can also use
regular unleaded petrol ,91 RO N/82.5M ON.
This mayreduce performanc eand increase pe t-
rol consump tion .Av oid driv ing at fullth rot tle.
In some countries, thequ ality of the pet rol avail-
able may be insuffi cient ,causing coking in the
area of the inle tva lves . In su chcases, consul ta
Me rced es-Benz Service Centre and addth eaddi-
ti ve (Part no. A000 989 25 45 10) re commended Ref
uelling Refuelling
proc ess G
Risk of explos ion Fu
elishighly fla mmable.Fire ,na ked fl ames
an dsmok ingaretherefo reproh ibited when
handling fuels.
Sw itch offthe engine an dthe auxiliary heat-
in g* before refuelling. G
Risk of inju ry Do
notallow fuelto come into contact with
skin or clot hing . Dir ectski nc ontact with
fuel san dth ei nh alatio n of fuelvapour sar e
da ma ging to health. P8
8.60-2161-31 Pe
trol (EN 228) 216_R
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374 Operation
Ref
uelling
and sold by Mercedes-Benz to the petro l.You
mu st observe the instruc tion sa nd mixin gratios
indicat edon the con tainer. CL
600 andAMG verhicl es
! Refuel only with super unleaded petrol of at
lea st98 RO N/88MO N,conforming to theEu ro-
pean standard EN228. There is ot herwise arisk
of impaired engine performan ceorengine dam-
age.
Yo uw ill find furt her informat ion abo utpetrol in
th e" Tech nica l da ta" se ction (
=page 519).
i Youw ill generally find inform ation on the
petrol grade on thefilling pump. Otherwise, ask
th e filling station at tendant.
i Asate mporary measure and only if therec-
om mended fuel is not availab le,you can also use
premium unleaded petrol, 95 RO N/85MO N.
This mayreduce performanc eand increase pe t-
rol consump tion .Av oid driv ing at fullth rot tle.
! If absolut elynecessary, and only when
th er ecom mended fu el is not available, you may
also use regular unleade dpetrol, 91 RO N/
82.5 MON. Howe ver,this will result in much
hi gher fuel consumption and reduced perform-
anc e.Av oid driving at full throttle and only
driv eindrive program S. i
If no fuel othe rth an regular petrol fuel
91 RO N/82.5 MON or a lower grade is perma-
nently available, you should have theve hicle
adap tedby the local af ter-sa lesse rvicet o ru non
th is fuel. 216_R
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375
Operation
En gine comp artm ent Opening
1Release lever
6 Pullrelease le ver1in the driver ’s
footw ell.
2 Bonnet catch button
6 Lift thebonnet slightly. En
gine comp artment Bon
net G
Risk of accide nt Do
notpu llthe release le ver whil ethe vehi-
cle is in motion. Otherwise, the bonnet could
op en, co me offan d endanger yourselfa nd
others. G
Risk of inju ry The
re is arisk of inju ry if thebo nnetisop en,
ev en ifthe en gine is not runni ng.
Som een gine com ponents can becom ever y
ho t.To avoid therisk of bu rns, on lytouc h
those co mponents descri bedin th e Ow ner’s
Ma nual an dob serve the relevant safety
not es. G
Risk ofinju ry Th
er adiator fanis lo cated bet ween ther adi-
ator an dthe engine bl ock. Itca nstart run-
ning automatica lly even if there isno key in
the ignit ionlock .Kee paway from thearea of
rotation ofthe fan blades .Othe rwise, you
cou ldbe inju re d.
The engine hasan elec tronicignition system
whic hca rries ahigh voltage .Fo rthis reas on,
you must ne ver to uch th eignition syst em
co mp onents (ignitio nco il, ig niti oncables,
sp ark pl ugconne ctions ,te st so cket) while:
! the engine is running
! the engine is being st ar ted
! the ignition is switch ed on andt he
en gine isbei ng cran ked by hand P8
8.40-2618-31 P8
8.40-2619-31 ==216_R
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376 Operation
Engine
compart ment
6 Reach under the bonnet atthe centre
an d press bonnet catchb utton 2.
6 Lift thebonnet. Clo
sing 6
Lowe r th ebo nnet and le tit fallcl os ed
from a height of appro ximately 20cm.
Th ebonnet mustengage audib ly.
6 Make sure that the bonnet ha sen-
gaged prop erly.
i Ifth e bo nnet can be raised sligh tly, it is not
properly engaged. Open it again and close it with
so me what more forc e.
De pend ingon howit is dr iven ,th e
vehicle consum es a maximum of 0. 8loil
per 1,000 km. Theoilco nsum ptio nma y
be higher tha nthiswhen theve hicle isnew
or if yo ufreque ntlydrive at high engine
speeds.
Yo ucan only estim ate the oil consu mption
after yo uha ve driv enaco nsidera ble dis-
ta nc e.
Yo u will find fu rther infor ma tion about
engi ne oi lin the "Tec hnical data" section
( = page 522).
! Lubricant addit ives mu stno tbe used si nce
th ey lead toincreased wear and damage tothe
asse mblies. The use of suc haddit ives ma yre sult
in lim itation of warranty rig hts. You can obtain
furt her informat ion from any Mercedes-Benz
Ser vice Centre. Checkin
gthe en gine oille vel
Wh en yo ucheck theoille ve l, the vehicle
mu st:
! bestan ding level
! have been st anding with the engine
sw itched off for at leas tfive minut es if
at opera ting temp erature
! have been st anding with the engine
swi tche dof ffo rat leas t thirty mi nutes
if not at operat ing te mperature G
Risk of inj ury Make
sure that nobody can beco metrap ped
as yo uclose the bonn et. G
Risk of acc ident Ma
kesure that the bonne tis en gaged se-
cu rely before comm encing ajo ur ney. Donot
dr ive the vehicle if the bonnet cannot been-
gaged, e.g .after an ac cident. Otherw ise, the
bo nnetcould come off while theveh icle isin
mot ion an den danger yoursel fan d ot hers. En
gine oil 216_R
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377
Operation
En gine comp artm ent
Wit hthe oil dipst ick
Example (C L500)
1 Oil dipst ick
2 Maxim um mark
3 Minimum mark
6 Rem ovedips tick 1.
6 Wipe thedips tick cl ean.
6 Insert the dipstic kba ck into thedip-
st ick tu be as far as thest op and re-
move it again.
The oil le vel is corre ct if theleve l is be-
twe enlower mark3 and upper
mark 2.
6 Top up the oil asrequired
( = page 37 8). i
The differ ence in vol umeb etwe en the
lo we rm ark and the upper mark is approximately
2l itres.
Via the on-board computer
(C L6 00 only)
i Youw ill find a menuoverview on
(= page 275).
6 Make sure the key isin pos ition 2in
the ignition lock.
6 Press &or( tosele ct the
"Ser vice" menu.
6 Press %or$ tosele ct
"E ngine oil leve l".
6 Press #.
The fol lowing me ssag eap pe arsin the
mu lti-fu nc tio ndisplay:
"Engine oil level Measuring now
Measu reme nt accurate onlyifvehicl eis
level"
The measur ement take sa momen t.Yo u
wi llse eo ne of thefollowing messag es in
the multi-fun ction di spla y:"Engine oil level
OK" or"Top up 1l engine oil at filling sta-
tion"
6 Top up th eoil asrequired
( = page 378). Ot
her message s in the multi-func tion
display
If th eengine is at normal ope rating tem-
perature and the engine contains too much
oi l, yo uw ills ee the follo wing messag e:
Engine oil level Reduce oil level .
6 Hav eex ce ss oilsi ph oned off.
! Thereis a ris kof da magetothe en gine or
th eca talytic conver ter if the re is exc esso il in the
engine.
If the following messag eisdisplayed:
"For engine oil leve l,tu rn on ignition"
6 Turn the key to pos ition 2in the ig ni-
tion lock (
=page 229).
If yo uh aven ot ob served the required wait-
ing ti me,yo uwi llsee the following mes-
sage:
"W aiting period engine oil le vel not ob-
served"
6 Repeat the measurem entaf ter about
five mi nutesif the engine isat normal
op erating te mperature.
6 If the engine isnot at norm alop erati ng
te mp eratur e,repeat the measu reme nt
af ter about 30minutes to allow ti mefor
th eeng ine to reach normal operat ing
te mp eratu reinthe mean time .
P1
8.00-2197-31 216_
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378 Operation
Engine
compart ment
If the engine isrunni ng, the following me s-
sage willappea r:
"E ngine oil le velNo t with engine running"
6 Switchof fthe engi neandwa itfora p-
prox imate lyfive minutes be fore me as-
ur ing wh en the en gine isat nor mal
op erating te mperature.
i Press theL button on themu lti-func tion
steering wheel if you wis h tocancel the oil lev el
meas urem ent. To
pp ing up the engin eoil Ex
am ple (CL 500)
1 Filler neck cap
6 Unscrew cap1 on the filler neck anti-
clockwi seand remo ve.
6 Top upwith theamount of engine oi lre-
quired.
! Haveexces s oil siphoned off. There is a risk
of damag etoth e en gine orthe cata lytic conv ert-
er if there isexcess oil in the engine.
6 Screw cap 1onthefiller neck and
tig hten clockwise. Th
ereis no need foryo uto check the oil
level inthe autom atic tra nsmi ssion. In
the even t of oi llo ss orprobl em sw ith gear
shifts, have the autom atic tr ansmission
ch ecke dat a qualified specialist wor ksho p,
e. g. at aMercede s-Be nz Service Cen tre.
Th ereis no need foryo uto check the oil
le ve lin theABC system. Intheevent of
vi si bl eoi llos sor malfun ctionmessages in
th edi splay, hav eth eAB Cs ystem ch ecked
at aqu alified specialist workshop, e.g. at a
Merced es-Benz Service Cen tre. G
Risk of inj ury En
gine oi lan d some engi necomp onentscan
be come ve ryho t.To avoidth erisk ofbu rns,
only tou chthose co mponents described in
the Owner’s Ma nual an dob serve the rele-
va nt sa fety notes. P0
1.00-2871-31 H
Enviro nm ental note Wh
entop ping up theoil, take care not to
sp illany. Oil must not beallowe dto escape
into theso ilor waterway s.Yo uwoul dot he r-
wi se be dam aging th e envi ronment. Oil level in the
automatic
tran smission Oil level in the ABC
system 216_R
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379
Operation
En gine comp artm ent
Cool ant consists of water andan tifr eeze or
co rros ionin hi bitor .On lych eckth eco ola nt
le ve lwh en theve hicle ison ale ve lsu rfac e
an d th eengi nehas co oled down. Chec
king the coola ntlevel
Th e ex pansion tank islocated inthe engine
com partment on the right-hand sid ewhen
vi ew ed in the direc tion oftra vel.
Exampl e(CL 500)
1 Cap
2 Expans ion tank
6 Slowly turn cap 1through half a tu rn
an ti-clockwis eto allo w ex ce ss pres-
su re to es cape.
The reissufficien tcoo lant inexpan sion
tank 2ifthe coola ntrea ches the
mar ker bar inthe filler nec kwh en cold
or is appro ximat ely 1.5 cm higherwhen
warm.
6 Top up th eco olan tif necess ary. 6
Replace cap 1andt ighten itun til it
engages.
You will find fu rthe rin for ma tion about
cool antin the "Technica ldata "section
( = page 523).
Th ewas herflui d reservoir is loca ted in
the engine com partment on the le ft-h an d
side when vie wedin th edirection of trave l.
It su ppliest he wind screen washer syst em
and thehead lamp cleaning system.
1 Cap
6 Add washer flui d co ncentra teto the
wa sher fluid all ye arroun d. Coo
lant G
Risk of inju ry The
cooling system is pressu rised. Th ere-
fo re, only unscr ew the cap once the en gine
ha s coo led dow n.You could ot herwise be
sca lded byhotcool ant. P0
1.00-2804-31 Wi
ndsc reen washer syst emand
headlam pcleaning system
P01.-00-2705-31 216_R
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