cooling MERCEDES-BENZ E-CLASS COUPE 2009 User Guide

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
*o
ptional
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