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Practical hints
What to do if ...
Problem
?
(USA only)
The yellow engine malfunction
indicator lamp comes on while
±
(Canada only)
driving.
l
The red distance warning lamp comes on
while driving and you hear a warning sound.
418
Possible cause/conse-
quence
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.
Vehicles with diesel engine
only:
Your fuel tank is empty.
You are gaining too rapidly on
the vehicle ahead of you.
The Distronic* has recognized
a stationary obstacle on your
probable line of travel.
Suggested solution
Check the fuel cap ( 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.
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.
Apply the brakes immediately.
Carefully observe the traffic situation.
You may need to brake or maneuver to
avoid hitting an obstacle.
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