2008 MERCEDES-BENZ A-CLASS HATCHBACK warning lights

Troubleshooting
227Problem Possible cause/consequence Suggested solutions
H
The red brake system
warning lamp comes on
while the engine is run-
ning. G
Risk of accident
There is insufficient brake fluid in
the fluid reservoir. X
Pull over and stop the vehicle safely, pa ying attention to road and
traffic conditions. Do not continue driving under any circumstan-
ces.
X Consult a qualified specialist workshop immediately.
X Observe the additional messages in the multi-function display
(Y page 202).
Do not top up the brake fluid. This will not rectify the fault. ±
The yellow engine diagnos-
tics warning lamp lights up
while the engine is run-
ning. Vehicles with a diesel 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. ±
The yellow engine diagnos-
tics warning lamp lights up
while the engine is run-
ning. There may be a fault, for example
R
in the engine management
R in the ignition system
R in the exhaust system
R in the ignition system (for vehi-
cles 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 a qualified spe-
cialist workshop. Practical advice
169_AKB; 2; 4, en-GB
wdomann
,V ersion: 2.10.6
2008-07-16T08:52:06+02:00 - Seite 227 ZDateiname: 6515_0315_02_buchblock.pdf; preflight

Troubleshooting
228 Problem Possible cause/consequence Suggested solutions
<
The red seat belt warning
lamp lights up for 6 sec-
onds after the engine
starts up 28
. The seat belt warning lamp
reminds the driver and front
passenger to fasten their seat
belts. X
Fasten your seat belt ( Ypage 73). <
After the engine starts, a
warning tone sounds for
up to 6 seconds 28
. G
Risk of injury
The driver's seat belt is not fas-
tened. X
Fasten your seat belt ( Ypage 73).
The warning tone ceases. <
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 ( Ypage 73).
The warning lamp goes out. G
Risk of injury
There are objects on the front-
passenger seat X
Remove the objects from the front-passenger seat and stow them
safely.
The warning lamp goes out. 28
Only for certain countries. Practical advice
169_AKB; 2; 4, en-GB
wdomann
,V ersion: 2.10.6
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Troubleshooting
229Problem Possible cause/consequence Suggested solutions
<
The red warning lamp
flashes and an intermit-
tent audible warning
sounds. G
Risk of injury
The driver or front passenger has
not fastened their seat belt and
you are driving faster than
25 km/h or have briefly driven
faster than 25 km/h. X
Fasten your seat belt ( Ypage 73).
The warning lamp goes out and the intermittent audible warning
ceases. G
Risk of injury
There are objects on the front-
passenger seat and you are driv-
ing faster than 25 km/h or have
briefly driven faster than
25 km/h. X
Remove the objects from the front-passenger seat and stow them
safely.
The warning lamp goes out and the intermittent audible warning
ceases. The yellow engine diagnostics
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. Practical advice
169_AKB; 2; 4, en-GB
wdomann
,V ersion: 2.10.6
2008-07-16T08:52:06+02:00 - Seite 229 ZDateiname: 6515_0315_02_buchblock.pdf; preflight

Troubleshooting
236 Parktronic*
Problem Possible cause/consequence Suggested solutions
Onl
y the red segments in the
Parktronic warning display are lit.
You also hear a warning tone for
approximately two seconds.
Parktronic is deactivated after
approximately 20 seconds and
the indicator lamp in the Park-
tronic button lights up. Parktronic has malfunctioned
and has switched itself off. X
If problems persist, have Parktronic checked at a qualified spe-
cialist workshop. Only the red segments in the
Parktronic warning display are lit.
Parktronic is deactivated after
approximately 20 seconds. The Parktronic sensors are dirty
or there is interference. X
Clean the Parktronic sensors (Y page 196).
X Switch the ignition back on. Only the red segments in the
Parktronic warning display are lit.
Parktronic is deactivated after
approximately 20 seconds. The problem may be caused by an
external source of radio or ultra-
sound waves. X
See if Parktronic functions in a different location. Practical advice
* optional
169_AKB; 2; 4, en-GB
wdomann
,V ersion: 2.10.6
2008-07-16T08:52:06+02:00 - Seite 236 Dateiname: 6515_0315_02_buchblock.pdf; preflight