Owners Manual

Problem Possible causes/consequences and M Solutions
7
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The yellow
reserve fuel
warning lamp
lights up while
the engine is
running and the
display for the
tank content
shows 0, even
though there is
still fuel in the
tank.
The fuel filler cap is not closed.
X
Close the fuel filler cap.
You will hear a click when the fuel filler cap is closed fully.
X
If the malfunction continues to be displayed, have it rectified
immediately at a qualified specialist workshop.
%
The yellow
preglow
indicator lamp
lights up while
the engine is
running.
There is a malfunction in the preglow system.
X
Consult a qualified specialist workshop.
;
The yellow
check engine
indicator lamp
lights up or
flashes while the
engine is
running.
You have used up all fuel in the tank.
The engine is running in emergency mode.
X
Refuel at the nearest gas station (Y page 142).
X
Bleed the fuel system (Y page 224).
X
Start the engine three to four times in succession after refueling.
Emergency running mode will be canceled. The vehicle does not
need to be checked.
;
The yellow
check engine
indicator lamp
lights up or
flashes while the
engine is
running.
The injection control is malfunctioning.
The engine is running in emergency mode.
Engine power output may be reduced.
X
Have the vehicle checked as soon as possible at a qualified
specialist workshop.
In some states it is legally prescribed that after the check engine
indicator lamp lights up you must contact a qualified specialist
workshop immediately. Observe legal requirements.
196
Troubleshooting
Practical advice