378 Practical hintsWhat to do if …Problem
Possible cause/consequence
Suggested solution
ú
(USA only)
±
(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.
Your fuel tank is empty.
After refuelling start, turn off and re-
start the engine three or four times in
succession.
The limp-home mode is canceled. You do
not need to have your vehicle checked.
Diesel engine: The fuel tank is empty. The en-
gine is running in emergency operation
mode.
Bleed the fuel system (
page 449).
The limp-home mode is canceled. You do
not need to have your vehicle checked.
Diesel engine: The diesel engine electronics
are malfunctioning.
Full engine performance is not available.
Have the fuel system checked by an au-
thorized Mercedes-Benz Center.
