Mercedes-Benz C-CLASS WAGON C 240 Operator's Manual page 349

Problem
ú
(USA only) The yellow engine malfunction
indicator lamp comes on while
±
(Canada only)
driving.
Possible cause
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.
Your fuel tank is empty.
Practical hints
What to do if ...
Suggested solution
Check the fuel cap ( page 293).
If it is not closed properly:
Close the fuel cap.
If it is closed properly:
Have the fuel system checked by an
authorized Mercedes-Benz Center.
After refuelling start, turn off and
restart the engine three or four times
in succession.
The limp-home mode is canceled. You do
not need to have your vehicle checked.
347