warning lights MERCEDES-BENZ E-CLASS COUPE 2009 Owner's Manual

Problem Possible causes/consequences and
0050
0050Solutions 004D
The red brake
system warning
lamp comes on
while the vehicle
is moving. A
warning tone
also sounds. You are driving with the parking brake applied.
X
Release the parking brake.
The warning lamp goes out and the warning tone ceases. 004D
The red brake
system warning
lamp comes on
while the engine
is running. A
warning tone
also sounds. G
Risk of accident
There is insufficient brake fluid in the fluid reservoir.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Consult aqualified specialist workshop.
X Observe the additional messages in the multi-function display
(Y page 208).
Do not top up the brake fluid. This will not rectify the fault. 00AE
The red coolant
warning lamp
lights up while
the engine is
running and the
coolant temper-
ature gauge is at
the start of the
scale. The temperature sensor for the coolant temperature gauge is
faulty.
The coolant temperature is no longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions. Do not continue
driving under any circumstances.
X Consult aqualified specialist workshop. 234
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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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Problem Possible causes/consequences and
0050
0050Solutions 0082
The red seat belt
warning lamp
lights up for six
seconds after
the engine is
started 42
. The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X
Fasten your seat belt (Y page 76).0082
After the engine
starts, awarning
tone sounds for
up to six sec-
onds 42
. G
Risk of injury
The driver's seat belt is not fastened.
X Fasten your seat belt (Y page 76).
The warning tone ceases. 0082
The red seat belt
warning lamp
lights up after
the engine
starts, as soon
as the driver's
door or the
front-passenger
door is closed. G
Risk of injury
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 76).
The warning lamp goes out. G
Risk of injury
There are objectsont he front-passenger seat.
X Remove the objectsf rom the front-passenger seat and stow
them safely.
The warning lamp goes out. 0082
The red seat belt
warning lamp
flashes and an
intermittent
audible warning
sounds. G
Risk of injury
The driver or front passenger has not fastened their seat belt. At
the same time, you are driving faster than 25 km/ho rhave briefly
drive nfaster than 25 km/h.
X Fasten yours eat belt(Ypage76).
The warning lamp goes out and the intermittent audible warning
ceases. G
Risk of injury
There are objects on the front-passenge rseat. At the same time,
you are driving faster than 25 km/h or have briefly drive nfaster
than 25 km/h.
X Remove the objects from the front-passenge rseat and stow
them safely.
The warning lamp goes out and the intermittent audible warning
ceases. 42
Only for certain countries. 236
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Problem Possible causes/consequences and
0050
0050Solutions 00B8
The yellow
reserve fuel
warning lamp
lights up while
the engine is
running. The fuel level has fallen below the reserve range.
X
Refuel at the nearest filling station. Warning tones
Problem Possible causes/consequences and
0050 0050Solutions The anti-theft warning
alarm* is triggered. You have opened the vehicle with the anti-theft alarm system still
activated*.
X
Switch off the alarm (Y page 58).You hear
awarning
tone. Am
essage appears in the multi-function display.
X See the explanations for the display message (Y page 208).You are driving with the parking brake applied.
X
Release the parking brake. The lights are still switched on when you leave the vehicle.
Coupé:
X
Turn the light switch to 0027or0066.
or
X If the rear foglamp is switched on: press the light switch in to
the stop.
Cabriolet:
X Turn the light switch to 0066. G
Risk of injury
The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 76).You hear
acontinuous
tone. You have switched the engine off, opened the driver's door and
released the seat belt, or opened the bonnet,w
ith the HOLD func-
tion or Distronic Plus* activated.
X Deactivat ethe HOLD function (Y page 135).
or
X Deactivat eDistronic Plus* (Y page 131). Troubleshooting
237Practical advice
*optional
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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
*o
ptional
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