warning light MERCEDES-BENZ E-CLASS COUPE 2009 Service Manual

Problem Possible causes/consequences and
0050
0050Solutions You hear
awarning
tone. The red distance warning lamp*
00BAlights up while the vehicle
is in motion.
X Observe the explanations for the distance warning lamp*
(Y page 232). Accident
Problem Possible causes/consequences and
0050 0050Solutions Fuel is leaking from the
vehicle.
G
Risk of fire
The fuel line or the fuel tank has been damaged. The leaking fuel
creates arisk of fire or explosion.
X Switch off the ignition immediately.
X Remove the ignition key.
Do not restart the engine under any circumstances. The leaking
fuel creates arisk of fire or explosion.
X Consult aqualified specialist workshop. You are unable to
determine the extentof
the damage.
X
Consult aqualified specialist workshop. You cannot detect any
damage.
X
Start the engine as normal. The active bonnet func-
tion (pedestrian protec-
tion) has been trig-
gered. Your vehicle has been involved in
afrontal collision.
X Reset the triggered active bonnet (pedestrian protection)
(Y page 256). The NECK-PRO head
restraint
sonthe driv-
er's and front-
passenger seats have
been triggered. Your vehicle has been involved in
arear-end collision.
X Reset the NECK-PRO head restraint s(Ypage 257). 238
TroubleshootingPractical advice
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Engine
Problem Possible causes/consequences and
0050
0050Solutions The engin
ewill not
start. The HOLD function or Distronic Plus* is activated.
X
Switch off HOLD (Y page 136) or Distronic Plus (Y page 131).
X Try to start th eenginea gain. The engin
ewill not
start .You can hear the
starter motor operat-
ing. R
Ther eisam alfunctio nintheengin eelectronics.
R Ther eisam alfunctio ninthefuel supply.
R The on-board voltage is to olow because th estarter battery is
to ow eak or discharged.
X Before th enexts tart attempt ,tur nt he keyb ack to position 0
(Y page 65 )intheignition loc korpressthe Start/Sto pbut-
ton* until all th eindicator light sintheinstrumen tcluste rhave
gon eout.
X Try to start th eenginea gain (Y page 98). When doin gso,
remembe rtha te xcessively lon gand frequen tattempt stostart
th ee nginew ill drain th ebattery.
If th eengined oes no tstart after several attempts:
X Consult aqualifie dspecialist workshop. The engin
ewill not
start .You can hear the
starter motor operat-
ing .The reserv efuel
warning lamp is on and
th ef uel gauge
shows 0. The fuel tan
khas been run dry.
X Refuel th evehicle. The engin
ewill not
start .You canno thear
th es tarter motor. The on-board voltage is to
olow because th estarter battery is too
weak or discharged.
X Jump-start th evehicle (Y page 276).
If th eengined oes no tstart despite attempting to jump-star tit:
X Consult aqualifie dspecialist workshop. The starter motor was exposed to
athe rmal load that was to ohigh.
X Allo wthe starter motor to coo ldown for approximately two
minutes.
X Try to start th eenginea gain.
If th eengines till does no tstart:
X Consult aqualifie dspecialist workshop. Troubleshooting
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Problem Possible causes/consequences and
0050
0050Solutions Vehicles with
apetrol
engine:
The engine is not run-
ning smoothly and is
misfiring. There is
amalfunction in the engine electronics or amechanical
componentoft he engine control unit.
X Only depress the accelerator pedal slightly.
X Have the cause rectified immediately at aqualified specialist
workshop.
Otherwise, non-combusted fuel may get into the catalytic con-
verter and damage it. The coolant tempera-
ture gauge shows a
value above 120 †.
The coolant warning
lamp may also light up
and awarning tone may
sound (Y page 107). The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.
X
Stop as soon as possible and allow the engine and the coolant
to cool down.
X Check the coolant level (Y page 183). Observe the warning
notes as you do so and top up the coolant if necessary. If the coolant level is correct,t
he radiator fan may be faulty. The
coolant is too hot and the engine is no longer being cooled suffi-
ciently.
X If the coolant temperature is less than 120 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving on
mountain roads and stop/start driving. 242
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Coupé
E2
00 CGI
BlueEFFICIENCY /
E2 50 CGI
BlueEFFICIENCY /
E3 50 /
E3 50 CGI
BlueEFFICIENCY /
E2 20 CDI
BlueEFFICIENCY /
E2 50 CDI
BlueEFFICIENCY /
E3 50 CDI
BlueEFFICIENCY E5
00 17" BA Summer tyres
235/45 R17 94W –
Summer tyres
65 235/45 R17 94W
MOExtended –
Light-alloy
wheels
7.5J
x17H2ET45 –
17" BA Winter tyres
235/45 R17 94H
M+S 004D 235/45 R17 94H
M+S
004D Winter tyres
65, 66 235/45 R17 94
HM+S
MOExtended 004D 235/45 R17 94
HM+S
MOExtended 004D Light-alloy
wheels
7.5J
x17H2ET45 7.5J
x17H2ET45 18" BA Winter tyres
235/40 R18 95
HXL
M+S 004D 235/40 R18 95
HXL
M+S 004D Light-alloy
wheels
8.0J
x18H2ET45 8.0J
x18H2ET45 65
Tyres with run-flat characteristics and only in conjunction with an activated tyr epressure loss warning or
tyr ep ressure monitor*.
66 Winter tyres for retrofitting .Onlyc ertain tyr ebrands are approved. As kyour Mercedes-Ben zServic eCentre
for mor einformation. Tyres and wheels
299Technical data
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Cabriolet
E2
00 CGI
BlueEFFICIENCY /
E2 50 CGI
BlueEFFICIENCY /
E3 50 /
E3 50 CGI
BlueEFFICIENCY /
E2 20 CDI
BlueEFFICIENCY /
E2 50 CDI
BlueEFFICIENCY /
E3 50 CDI
BlueEFFICIENCY E5
00 17" BA Summer tyres
235/45 R17 94W
64 –
Summer tyres
65 235/45 R17 94W
64
MOExtended –
Light-alloy wheels
7.5J
x17H2ET45 –
17" BA Winter tyres
235/45 R17 94H
M+S
004D 235/45 R17 94H
M+S
004D Winter tyres
65, 66 235/45 R17 94
HM+S
MOExtended 004D 235/45 R17 94
HM+S
MOExtended 004D Light-alloy wheels
7.5J
x17H2ET45 7.5J
x17H2ET45 18" BA Winter tyres
235/40 R18 95
HXL
M+S 004D 235/40 R18 95
HXL
M+S 004D Light-alloy wheels
8.0J
x18H2ET45 8.0J
x18H2ET45 64
Not with sports package cod e950/952 ,sports suspension cod e486 or dynamic handlin gpackage code
483.
65 Tyres with run-flat characteristics and only in conjunction with an activated tyr epressure loss warning or
tyr ep ressure monitor*.
66 Winter tyres for retrofitting .Onlyc ertain tyr ebrands are approved. As kyour Mercedes-Ben zServic eCentre
for mor einformation. 300
Tyres and wheelsTechnical data
*o
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Mixe
dtyres
i FA: front axle ,RA: rear axle E2
00 CGI
BlueEFFICIENCY /
E2 50 CGI
BlueEFFICIENCY /
E3 50 /
E3 50 CGI
BlueEFFICIENCY /
E2 20 CDI
BlueEFFICIENCY /
E2 50 CDI
BlueEFFICIENCY /
E3 50 CDI
BlueEFFICIENCY E5
00 17" FA Summer tyres
235/45 R17 94W 235/45 R17 94W
Summer tyres
67 235/45 R17 94W
MOExtended 235/45 R17 94W
MOExtended
Light-alloy wheels
7.5J
x17H2ET45 7.5J
x17H2ET45 RA
Summer tyres
68 255/40 R17 94W 255/40 R17 94W
Summer tyres
67, 68 255/40 R17 94W
MOExtended 255/40 R17 94W
MOExtended
Light-alloy wheels
8.5J
x17H2ET49 8.5J
x17H2ET49 67
Tyre swith run-fla tcharacteristics and only in conjunction with an activated tyre pressure loss warning or
tyre pressure monitor*.
68 Use of snow chains not permitted. Tyres and wheels
301Technical data
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