Mercedes-Benz M-Class 2007 Owners Manual - Manual (Page 419)

418
Practical hints
What to do if …
Problem Possible cause/conse-
quence Suggested solution
? (USA only)
± (Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving. A loss of pressure has been
detected in the fuel system.
The fuel cap may not be closed
properly.
The fuel system may be leaky. ̈ Check the fuel cap ( ୴ page 352).
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 Light Truck
Center.
Your fuel tank is empty. ̈ After refueling 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.