Display messages
Possible causes/consequences and
0050
0050Solutions 003D The battery is no
tbein gcharged.
Aw arnin gtonea lso sounds.
Possibl ecauses are:
R ad efective alternator
R at ornp oly-V-belt
R am alfunction in th eelectronics
X Pull ove rand stop th evehicl esafely and switch of fthe engine,
payin gattention to roa dand traffic conditions.
X Secur ethe vehicl eagainst rollin gaway (Y page 131).
X Ope nthe hood.
X Chec kwhether th epoly-V-belt is torn.
If th epoly-V-belt is torn:
! Do no
tcontinu edriving. The engin ecould otherwise overheat.
X Consult aqualified specialist workshop.
If th epoly-V-belt is not damaged:
X Visit aqualified specialist workshop. 00BD
Check Coolant Check Coolant
Level See Opera‐ Level See Opera‐
tor's Manual tor's Manual The coolan
tlevel is to olow.
! Avoid makin
glon gjou rneys wit htoo littl ecoolan tint heengine
coolin gsystem. The engin ewill otherwise be damaged.
X Ad dc oolant, observin gthe warnin gnotes before doin gso
( Ypage 221).
X If coolan tneeds to be added mor eoften than usual, hav ethe
engin ecoolan tsystem checke dataqualified specialist work-
shop. 00B2
Engine Oil Level Engine Oil Level
low Sto
pVehicle
low Sto pVehicle
Tur nE ngine Off
Tur nE ngine Off There is insufficien
toil in th eengine. There is ariskofe ngine
damage.
X Pull ove rand stop th evehicl esafely and switch of fthe engine,
payin gattention to roa dand traffic conditions.
X Top up and chec kthe engin eoil level (Y page 219). 178
Display
messagesOn-boardcomputer an ddisplays
Display messages
Possible causes/consequences and
0050
0050Solutions 00B2
Check Engine Oil Check Engine Oil
Level Level
(Add1
(Ad d1Liter) Liter) The oil level is to
olow.
X Chec kthe oil level (Y page 219).
X If necessary, add engin eoil.
X Hav ethe engin echecked forleak sify ou need to add engin eoil
mor eoften than usual.
! Avoid lon
gjou rneys wit htoo littl eengineo il. The engin ewill
otherwise be damaged.
Information on approve dengineo ils can be obtained from any
qualified specialist workshop or on th eInterne tathttp://
www.mbusa.com (US Aonly). 00B2
Engine Oil Level Engine Oil Level
Too High Too High You hav
eadded to omuche ngineo il. The engin eorcatalytic con-
verte rmay be damaged.
X Siphon of fexces sengineo il until it is at th especified level.
Observ ethe legal requirements. 00B2
Engine Oil Level Engine Oil Level
Cannot Be Measured Cannot Be Measured The measurin
gsystem is faulty.
X Visit aqualified specialist workshop. 00B2
Engine Oil Pres‐ Engine Oil Pres‐
sur
eC ontro lSee
sur eC ontro lSee
Operator' sManual
Operator' sManual The oil pressur
esensor has reported amalfunction.
The oil pressur econtro lisine mergenc ymode.
The engin elubrication is guaranteed.
X Visit aqualified specialist workshop. 00B2
Engine Oil Pres‐ Engine Oil Pres‐
sur
eS topV ehicle
sur eS topV ehicle
Tur nE ngine Off
Tur nE ngine Off X
Pull ove rand stop th evehicl esafely and switch of fthe engine,
payin gattention to roa dand traffic conditions.
X Chec kthe engin eoil level (Y page 219) and to pupifnecessary.
X If there are visible signs of oil los sfromt hevehicle, consult a
qualified specialist workshop. 00A8 There is only
asma ll amount of fue linthefuel tank.
X Refuel at th eneares tgas station. 00B6
Fue
lL evel Low
Fue lL evel Low The fuel level has fallen belo
wthe reserv erange.
X Refuel at th eneares tgas station. Display
messages
179On-boardcomputer an ddisplays Z
Rear spoiler
Display messages
Possibl
ecauses/consequence sand 0050
0050Solutions 00D4
Rear Spoiler Rear Spoiler
Control System Control System
Inoperative Inoperative The rea
rspoiler canno tbefully retracted and may extend again.
If the retraction of the rea rspoiler is blocked ,e.g. by ice:
X Make sure that the cause of the block is eliminated.
X Switch off the engine and lock the vehicle.
X Start the vehicl eafterw aiting afew minutes.
The rea rspoiler returns to the original position.
If this problem persists or the cause canno tbeide ntified:
X Visit aquali fied specialist workshop. 00D4
Rear
Rear Spoiler
Spoiler Inop‐
Inop‐
erative Limit
erative Limit
200 km/h 200 km/h The rea
rspoiler canno tbefully extended and extend sasfar as
possible.
The speed of the vehicl eislimite dt o1 25 mph (200 km/h).
If the extension/retraction of the rea rspoiler is blocked ,e.g. by
ice:
X Make sure that the cause of the block is eliminated.
X Switch off the engine and lock the vehicle.
X Start the vehicl eafterw aiting afew minutes.
The rea rspoiler returns to the original position.
If this problem persists or the cause canno tbeide ntified:
X Visit aquali fied specialist workshop. Display messages
189On-board computer and displays Z
Engine
Problem
Possible causes/consequences and
0050
0050Solutions 00B9
The yellow
CheckEngine
warning lamp
light supw hile
th ee ngineis
running. Ther
emay be amalfunction, for example:
R in th eenginem anagement
R in th efuel injection system
R in th eexhaust system
R in th eignition system
R in th efuel system
The emission limit values may be exceeded and th eenginem ay be
in emergency mode.
X Hav ethe vehicle checked as soon as possible at aqualified
specialist workshop.
i In som
estates, you must visi taqualifie dspecialist workshop
as soon as th eyellow check engin ewarning lamp light sup. This
is due to th elegal requirements in effect in these states. If in
doubt ,che ck whether suc hlegal regulations apply in th estate in
whic hyou are currently driving. 00B9
The yellow
CheckEngine
warning lamp
light supw hile
th ee ngineis
running. The
smoothness of
th eg ear change
is restricted. The sub geartrain with th
eodd gear shas failed .The transmission
is in emergency mode.
X Hav ethe vehicle checked as soon as possible at aqualified
specialist workshop. 00E4
The red engine
oil temperature
warning lamp
comes on while
thee ngineis
running. Awarn-
ing tone also
sounds. The engin
eoil temperatur ehas exceeded 28 4‡(140† ).
The engin eisnotbein gcooled sufficiently and may be damaged.
X Pull ove rand stop th evehicle safely and switch off th eengine,
paying attentio ntoroad and traffic conditions.
X Allo wthe engin etoc ooldown. Warning and indicator lamps in th
einstrumen tcluster
195On-boar dcomputer and displays Z
Problem
Possible causes/consequences and
0050
0050Solutions 00E4
The red engine
oil temperature
warning lamp
comes on while
the engine is
running. The
engine oil tem-
perature is not
displayed. The engine control unit data transfer is malfunctioning.
X Visit aqualified specialist workshop. 00B5
The yellow
reserve fuel
warning lamp
lights up while
the engine is
running. The fuel level has dropped into the reserve range.
X Refuel at the nearest gas station. 00B5
The yellow
reserve fuel
warning lamp
flashes while the
engine is run-
ning. The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X Check that the fuel filler cap is correctly closed.
X If the fuel filler cap is not correctly closed: close the fuel filler
cap.
X If the fuel filler cap is closed: visitaqualified specialist work-
shop. 196
Warning and indicator lampsint
he instrument clusterOn-board computer and displays
Problems with the rear spoiler
Problem
Possible causes/consequences and
0050
0050Solutions The rear spoiler stops
before reaching the
end position when
retracting manually. You have opened the trunk lid while manually retracting the rear
spoiler.
X Close the trunk lid.
The rear spoiler extends or, if you press and hold button 0043,
continues retracting. The rear spoiler stops
before reaching the
end position when
retracting/extending
manually. You have switched off the ignition.
X Switch the ignition back on.
X Press button to extend/retract the rear spoiler.
The rear spoiler extends/retracts. The rear spoiler cannot
be retracted again after
manually extending it. You have opened the trunk lid while manually extending the rear
spoiler.
X Close the trunk lid. The rear spoiler does
not extendorr
etract
automatically. The rear spoiler's movement is blocked, e.g. by an object jammed
between the body and the rear spoiler.
X Remove the object. Garage door opener
Important safety notes G
WARNING
When you operate or program the garage door with the integrated garage door opener, per-
sons in the range of movement of the garage
door can become trapped or struck by the
garage door. There is arisk of injury.
When using the integrated garage door
opener, always make sure that nobody is
within the range of movement of the garage
door. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There is ar isk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation. The HomeLink
®
garage door opener inte-
grated in the rear-view mirror allowsy ou to
operate up to three different door and gate
systems.
Use the integrated garage door opener only
on garage doors that:
R have safety stop and reverse features and
R meet current U.S. federal safety standards
When programing agarage door opener, park
the vehicle outside the garage.
i Certain garage door drives are incompat-
ible with the integrated garage door
opener. If you have difficulty programing
the integrated garage door opener, contact
an authorized Mercedes-Benz Center.
Alternatively, you can call the following
telephone assistance services:
R USA: Mercedes-Benz Customer Assis-
tanceC enter at 1-800-FOR-MERCedes
R Canada: Customer Service at
1-800-387-0100 Features
211Stowage and features Z
Hood release leve
rindriver's footwell
X Pull release lever 0043on the hood.
The hood is released.
! Make sure that the windshield wipers are
not folded away from the windshield .You
coul dotherwise damag ethe windshield
wipers or the hood. X
Reach into the gap ,pullh ood catch han-
dle 0044up and lift the hood.
Closing the hood X
Lower the hood and let it fal lfrom aheight
of approximatel y8inches (20 cm).
X Check that the hood has engaged properly.
If the hood can be raised slightly ,itisnot
properl yengaged .Openita gain and close
it with alittle more force. Engine oil
General notes Depending on the driving style, the vehicle
consumes up to 0.9 US qt (0.8 l) of oil over a
distance of 600 miles (1000 km). The oil con- sumptio nmay be higher than this whe nthe
vehicle is new or if yo ufrequently drive at high
engine speeds.
Depending on the engine, the oil dipstick may
be in adifferent location.
Whe nchecking the oil level:
R park the vehicle on aleve lsurface.
R the engine should be switched off for
approximatel yfive minutes if the engine is
at normal operating temperature.
R if the engine is not at normal operating
temperature, e.g. if the engine wa sonly
started briefly ,waita bout 30 minutes
before carrying out the measurement.
Checking the oill evel usin gthe oild ip-
stick G
WARNING
Certai ncomponents in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment pose sa
risk of injury.
Where possible, let the engine cool dow nand
touch only the components describe dinthe
following. Engine compartment
219Maintenance and care Z
X
Unscrew and remove oil filler cap 0043with
the integrated dipstick.
X Wipe the oil dipstick.
X Screw on oil filler cap 0043againtot he stop.
X Unscrew oil filler cap 0043againa nd read the
dipstick.
If the level is between MIN mark 0087and
MAX mark 0044,the oil level is correct.
X If the oil level has dropped to MIN mark 0087
or below,a dd 1.1 US qt (1. 0liter )engine oil.
Adding engineo ilG
WARNING
Certain componentsint he engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible,l et the engine cool down and
touch only the componentsd escribed in the
following. G
WARNING
If engine oil comes into contact with hot com- ponents in the engine compartment,itm ay
ignite. There is arisk of fire and injury.
Make sure that engine oil is not spilledn ext to
the filler neck. Let the engine cool down and
thoroughly clean the engine oil off the com-
ponents before starting the engine. H
Environmental note
When adding oil, take care not to spill any. If
oil enters the soil or waterways, it is harmful to the environment.
! Only use engine oils and oil filters that
have been approved for vehicles with a
service system. You can obtain alist of the
engine oils and oil filters tested and
approved in accordance with the
Mercedes-Benz Specifications for Service
Products at any Mercedes-Benz Service
center. Damage to the engine or exhaust system is
caused by the following:
R using engine oils and oil filters that have
not been specificallya pproved for the
service system
R replacing engine oil and oil filters after
the interval for replacement specified by
the service system has been exceeded
R using engine oil additives.
! Do not add too much oil. adding too much
engine oil can result in damage to the
engine or to the catalytic converter. Have
excess engine oil siphoned off. X
Unscrew and remove oil filler cap 0043with
the integrated dipstick.
X Add engine oil.
If the oil level is at or below the MIN mark on
the oil dipstick, add 1.1 US qt (1.0 l)of
engine oil.
X Replace cap 0043on the filler neck and
tighten clockwise.
Ensure that the cap locks into place
securely.
X Check the oil level again with the oil dip-
stick (Y page 219).
You will find further information about engine
oil in the "Technical data" section
(Y page 283). 220
Engine compartmentMaintenance and care