warning light MERCEDES-BENZ E-CLASS SALOON 2009 Repair Manual

Problem
Possible causes/consequences and
X XSolutions Vehicles with a petrol
engine:
The engine is not run-
ning smoothly and is
misfiring. There is a malfunction in the engine electronics or a mechanical
component of the engine control unit.
X
Only depress the accelerator pedal slightly.
X Have the cause rectified immediately at a qualified 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 a warning tone may
sound (Y
page 117). 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 221). Observe the warning
notes as you do so and top up the coolant if necessary. If the coolant level is correct, the 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. 292
TroubleshootingPractical advice
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Automatic transmission*
Problem
Possible causes/consequences and
X
X Solutions The transmission has
problems shifting gear. The transmission is losing oil.
X
Have the transmission checked at a qualified specialist work-
shop immediately. The acceleration ability
is deteriorating.
The transmission no
longer changes gear. The transmission is in emergency mode.
It is only possible to shift into
secondgear and reverse gear.
X Stop the vehicle.
X Move the transmission to position P.
X Turn the key in the ignition to position 0(Y page 75) or press
the Start/Stop button* repeatedly until all indicator lamps in
the instrument cluster go out.
X Wait at least 10 seconds before restarting the engine.
X Move the transmission to position Dor R.
If D is selected, the transmission shifts into secondgear; ifRis
selected, the transmission shifts into reverse gear.
X Have the transmission checked at a qualified specialist work-
shop immediately. PARKTRONIC*
Problem
Possible causes/consequences and
X
X Solutions Only the red segments
in the PARKTRONIC
warning display are lit.
You also hear a warning
tone for approximately
two seconds.
PARKTRONIC is deacti-
vated after approx-
imately 20 seconds and
the indicator lamp in
the PARKTRONIC but-
ton lights up. PARKTRONIC has malfunctioned and has switched itself off.
X
If problems persist, have PARKTRONIC checked at a qualified
specialist workshop. Only the red segments
in the PARKTRONIC
warning display are lit.
PARKTRONIC is deacti-
vated after approx-
imately 20 seconds. The PARKTRONIC sensors are dirty or there is interference.
X
Clean the PARKTRONIC sensors (Y page 243).
X Switch the ignition back on. Troubleshooting
293Practical advice
* optional
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E 200 CGI BlueEFFICIENCY /
E 250 CGI BlueEFFICIENCY /
E 300
69
/
E 350 CGI BlueEFFICIENCY /
E 350 4MATIC /
E 500 / E 500 4MATIC /
E 200 CDI BlueEFFICIENCY /
E 220 CDI BlueEFFICIENCY /
E 250 CDI BlueEFFICIENCY /
E 350 CDI BlueEFFICIENCY /
E 350 BlueTEC /
E 350 CDI 4MATIC BlueEFFICIENCY 17" BA Summer tyres
245/45 R17 95W
Summer tyres
70 245/45 R17 95W MOExtended
Light-alloy wheels
8.0J x 17 H2 ET 48 or
8.5J x 17 H2 ET 48
17" BA Winter tyres
245/45 R17 95H M+S
i Winter tyres
70 245/45 R17 95H M+S MOExtended
i Light-alloy wheels
8.0J x 17 H2 ET 48 or
8.5J x 17 H2 ET 48
69
Only for certain countries.
70 Tyres with run-flat characteristics and only in combination with the tyre pressure loss warning or tyre pressure
monitor* activated. Tyres and wheels
351Technical data
* optional
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Estate
i
BA: Both axles E 250
CDI BlueEFFICIENCY E 350 CGI
BlueEFFICIENCY
E 350
CDI BlueEFFICIENCY
16" BA Summer tyres
225/55 R16 99W XL 225/55 R16 99Y XL
Winter tyres
225/55 R16 99H XL
M+S
i 225/55 R16 99H XL
M+S
i Light-alloy wheels
7.5J x 16 H2 ET 45.5 or
8.0J x 16 H2 ET 46 7.5J x 16 H2 ET 45.5 or
8.0J x 16 H2 ET 46 E 350 CGI BlueEFFICIENCY
E 250 CDI BlueEFFICIENCY
E 350 CDI BlueEFFICIENCY 17" BA Summer tyres
245/45 R17 99Y XL
Summer tyres
71 245/45 R17 99Y XL MOExtended
Light-alloy wheels
8.0J x 17 H2 ET 48 or
8.5J x 17 H2 ET 48
BA Winter tyres
245/45 R17 99H XL M+S
i Winter tyres
71 245/45 R17 99H XL M+S MOExtended
iLight-alloy wheels
8.0J x 17 H2 ET 48 or
8.5J x 17 H2 ET 48
71
Tyres with run-flat characteristics and only in combination with the tyre pressure loss warning or tyre pressure
monitor* activated. 352
Tyres and wheelsTechnical data
* optional
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