2006 Mercedes C-Class Owner's Manual - Page 353

2006 Mercedes C-Class Manual

Page 353 highlights

Practical hints What to do if ... Problem Possible cause/consequence (USA only) (Canada only) The yellow engine malfunction indicator lamp comes on while driving. There is a malfunction in: The fuel management system The ignition system The emission control system Systems which affect emissions Such malfunctions may result in excessive emissions values and may switch the engine to its limp-home (emergency operation) mode. Suggested solution Have the vehicle checked as soon as possible by an authorized Mercedes-Benz Center. An on-board diagnostic connector is used by the service station to link the vehicle to the shop diagnostics system. It allows the accurate identification of system malfunctions through the readout of diagnostic trouble codes. It is located in the front left area of the footwell next to the parking brake pedal. ú ± A loss of pressure has been detected in the Check the fuel cap ( page 294). fuel system. The fuel cap may not be If it is not closed properly: closed properly or the fuel system may be Close the fuel cap. leaky. If it is closed properly: Have the fuel system checked by an authorized Mercedes-Benz Center. 352

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352
Practical hints
What to do if …
Problem
Possible cause/consequence
Suggested solution
ú
(USA only)
±
(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.
There is a malfunction in:
°
The fuel management system
°
The ignition system
°
The emission control system
°
Systems which affect emissions
Such malfunctions may result in excessive
emissions values and may switch the en-
gine to its limp-home (emergency
operation) mode.
²
Have the vehicle checked as soon as pos-
sible by an authorized Mercedes-Benz
Center.
An on-board diagnostic connector is used
by the service station to link the vehicle to
the shop diagnostics system. It allows the
accurate identification of system malfunc-
tions through the readout of diagnostic
trouble codes. It is located in the front left
area of the footwell next to the parking
brake pedal.
A loss of pressure has been detected in the
fuel system. The fuel cap may not be
closed properly or the fuel system may be
leaky.
²
Check the fuel cap (
³
page 294).
If it is not closed properly:
²
Close the fuel cap.
If it is closed properly:
²
Have the fuel system checked by an autho-
rized Mercedes-Benz Center.