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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 or 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.
Vehicles with diesel engine
only:
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.
l The red distance warning lamp comes on
while driving and you hear a warning sound.
You are gaining too rapidly on
the vehicle ahead of you.
̈ Apply the brakes immediately.
̈ Carefully observe the traffic situation.
You may need to brake or maneuver to
avoid hitting an obstacle.
The Distronic* has recognized
a stationary obstacle on your
probable line of travel.