2009 MERCEDES-BENZ E-CLASS COUPE cooling

imum mark on the dipstick
,the engine or
catalytic converter could be damaged.
Have excess oil siphoned off.
X Replace cap 0046on the filler nec kand
tighten clockwise.
Ensure that the cap lock sintop lace
securely.
For further information on engine oil, see
(Y page 288). Coolant
Only chec kthe coolan tlevel when the vehicle
is on alevel surface and the engine has cooled
down.
X Turn the key to position 2(Y page 65) in
the ignition lock.
X Check the coolan ttemperature gauge in
the instrumen tcluster. G
Risk of injury
The cooling system is pressurised. Therefore,
only unscrew the cap onc ethe engine has
coole ddown. The coolan ttemperature gauge
must display less than 70 †. Otherwise, you
could be scalde difhot coolan tescapes.
The coolan texpansion tan kislocated in the
engine compartmen tonthe right when
viewed in the direction of travel. X
Slowly tur ncap 0046 half aturna nti-clock-
wise and allow excess pressure to escape.
X Turn cap 0046further anti-clockwise and
remove it.
There is sufficien tcoolan tinexpansion
tank 0047if the coolan tislevel with marks
008A in the filler nec kwhen cold or approx-
imately 1. 5cmhigher when hot.
X If necessary, top up with coolan twhich has
been tested and approved by Mercedes-
Benz.
X Replace cap 0046and tighten all the way to
the stop.
For further information on coolant, see
(Y page 290). Windscreen washer system/head-
lam
pcleaning system*
The washer fluid reservoir for the windscreen
washer system and headlamp cleaning sys-
tem *isl ocated in the engine compartment
on the left-han dside when viewed in the
direction of travel. i
Add windscreen washer concentrate to
the washer fluid all year round. G
Risk of fire
Windscreen washer fluid is highly flammable.
Fire ,naked flames and smoking are prohibi-
ted when handlin gwasher fluid concentrate.
! Only use washer fluid concentrate which
is suitable for plastic lamp lenses. Unsuit- Engine compartment
183Operation
*optional
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Troubleshooting
Points to remember
G
Ris
kofa ccident and injury
If work relevant to safety is carrie doutincorrectly ,thisc ould impai rthe operating safety of your
vehicle. Yo ucould lose contro lofthe vehicl eand cause an accident. In addition, the safety
system smayno longe rbeabletop rotect yo uorothers as the yaredesigne dtodo.
Alway shavem aintenance work carrie doutataq uali fied specialis tworkshop .The workshop must
have the necessary specialis tknowledg eand tool stocarry ou tthe work required .Mercedes-
Benz recommends tha tyou useaM ercedes-Benz Service Centre for thi spurpose. In particular,
work relevant to safety or on safety-relate dsystem smustbec arriedoutataq uali fied specialist
workshop. Warning and indicator lamps in switche
sand buttons Problem Possible causes/consequence
sand 0050
0050Solutions The sea
tventilation*
ha ss witched off pre-
maturel yorcannotbe
switched on. The on-board voltag
eistoo low, because too many consumers are
switched on.
X Switch off consumers tha tare not required ,e.g.r ea rw indow
heating or interio rlighting. The sea
theating* has
switched off prema-
turel yorc annotbe
switched on. The on-board voltag
eistoo low, because too many consumers are
switched on.
X Switch off consumers tha tare not required ,e.g.r ea rw indow
heating or interio rlighting. The warnin
glam pon
the sport button of the
dynamic handling pack-
ag ew iths ports mode*
is lit. If yo
uselect comfort mod eand the indicator lamp does not go out,
the dynamic handling packag ewiths ports mode* is faulty.
X Visi taq ualified specialis tworkshop. When yo
upress the
005C button on the
contro lpan el for
Thermatic 2-zone auto-
matic climate control/
Thermotroni clux ury3-
zone automatic climate
control* ,the indicator
lamp in the button
flashe sthre etime sor
remains off .The cool-
ing system canno tbe
switched on. Cooling ha
sbeend eactivated du etoamalfunction.
X Visi taq ualified specialis tworkshop. 230
TroubleshootingPractical advice
*o
ptional
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Problem Possible causes/consequences and
0050
0050Solutions 00AE
The red coolant
warning lamp
comes on while
the engine is
running. Awarn-
ing tone also
sounds. The coolant temperature has exceeded 130 †. The airflow to the
radiator may be blocked or the coolant level may be too low.
The engine is not being cooled sufficiently and may be damaged.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Allow the engine and coolant to cool.
X Make sure that the air supply to the radiator is not blocked, e.g.
by slush.
X Check the coolant level (Y page 183). Observe the warning
notes.
X If necessary, top up the coolant.
X Have the engine cooling system checked at aqualified specialist
workshop if the coolant needs topping up more often than usual.
If the coolant level is correct,t he electric radiator fan may be
faulty.
X Do not continue driving under any circumstances.
X Consult aqualified specialist workshop. 00BB
The yellow
engine diagnos-
tics warning
lamp lights up
while the engine
is running. Vehicles with
adiesel engine: the fuel tank has been run dry.
X Start the engine three to four times after refuelling.
Emergency running mode is cancelled. The vehicle need not be
checked. 00BB
The yellow
engine diagnos-
tics warning
lamp lights up
while the engine
is running. There may be
afault, for example:
R in the engine management
R in the ignition system
R in the exhaust system
R in the ignition system (for vehicles with petrol engines)
The emission limit values may be exceeded and the engine can
run in emergency mode.
X Have the vehicle checked as soon as possible at aqualified
specialist workshop. Troubleshooting
235Practical advice
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Capacities
The followin gvalues refer to an oil change
includin gthe oil filter. Vehicle model Replacement
amount with oil fil- ter E2
00 CGI BlueEF-
FICIENCY
E2 50 CGI BlueEF-
FICIENCY 5.
5l E2
20 CDI BlueEF-
FICIENCY
E2 50 CDI BlueEF-
FICIENCY 6.
5l E3
5046
E3 50 CGI BlueEF-
FICIENCY
E3 50 CDI BlueEF-
FICIENCY 8.
0l E5
00 8.
5l Coolant
The coolan tisamixtur eofwaterand anti-
freeze/corrosio ninhibitor.
It perform sthe followin gtasks:
R anti-corrosio nprotection
R antifreez eprotection
R raising th eboilin gpoint
i When th evehicle is first delivered, it is
topped up wit hacoolan ttha tw ill ensure
adequat eantifreez eand corrosio nprotec-
tion.
! Only to pupwithc oolan ttha th as been
premixe dwitht he desired antifreez epro-
tection .You could otherwise damag ethe
engine. Further informatio
noncoolants and on fill-
ing can be foun dintheMercedes-Benz
Specification sfor Servic eProducts, Sheet
310.1, for example on th eInterne tat
http://bevo.daimler.com. You can also
consult aMercedes-Ben zServic eCentre.
! Always use asuitable coolan tmixture,
eve ninc ountries wher ehigh temperatures
prevail.
Otherwise, th ecoolings ystem will no tbe
sufficiently protected from corrosion, and
th eb oilin gpointwill be to olow.
If antifreeze/corrosio ninhibitor is presen tin
th ec orrec tconcentrat ion, theboilin gpoin tof
th ec oolan tw ill be aroun d130 †.
The antifreeze/corrosio ninhibitor concentra-
tio nint hecoolin gsystem should:
R be at least 50%. This will protect th ecooling
system against freezing down to around
-3 7†.
R no te xcee d5 5% (antifreez eprotection
down to -4 5†)otherwise heat will no tbe
dissipated as effectively.
If th evehicle has lost coolant, to pitupwith
equal amounts of wate rand antifreeze/cor-
rosion inhibitor. Mercedes-Ben zrecom-
mends that you only use an antifreeze/cor-
rosion inhibitor whic hhas been approved by
Mercedes-Benz.
! The coolin gsystem is fille dwithc oolant
whic hmust be renewed after 15 years ,or
after 250,000 km at th elatest.
The warrant yisonlyv alid if you to pupwith
an antifreeze/corrosio ninhibitor which
has been approved by Mercedes-Ben zand
if th erecommended mixtur eratio is
observed. Brak
efluid
The brak efluid constantly absorbs moisture
from th eair; this lower sits boilin gpoint.
46 Only for certain countries. 290
Service products and capacitiesTechnical data
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"Minispare" emergency spare wheel*
70 E2
50 CGI BlueEFFICIENCY /
E2 50 CDI BlueEFFICIENCY E3
50 /
E3 50 CGI BlueEFFICIENCY /
E3 50 CDI BlueEFFICIENCY /
E5 00 17" Tyres
– T1
35/80R 17 103M Tyre pressure
– 4.2 bar
Wheels
– 3.5B
x17H2ET1 9.5 Trailer tow hitch*
Mounting dimensions
G
Risk of accident
Only have atrailer tow hitch retrofitted at a
qualified specialist workshop which has the
necessary specialist knowledge and tools to
carry out the work required.M ercedes-Benz
recommends that you use aMercedes-Benz
Service Centre for this purpose. In particular,
work relevant to safety or on safety-related
systems must be carried out at aqualified
specialist workshop.
! If you have atrailer tow hitch retrofitted,
changes to the cooling system may be nec-
essary, depending on the vehicle type.
If you have atrailer tow hitch retrofitted,
observe the anchorage points on the chas-
sis frame. Anchorage points for the trailer tow hitch
0046
Anchorage points
0047 Overhang dimension
008A Rear axle centre line
For trailer tow hitches fitted at the factory, the
overhang dimension is 1151.3m m.
70 Use of snow chains not permitted. Trailer tow hitch*
303Technical data
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