A SERVICE OF

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660
Practical hints
What to do if …?
Display Possible cause/consequence Possible solution
Gas Cap Loose 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 (page 550).
If it is not closed properly:
̈ Close the fuel cap.
If it is closed properly:
̈ Have the fuel system checked by an autho-
rized Mercedes-Benz Center.
Reserve Fuel The fuel level has dropped below the re-
serve mark.
̈ Refuel at the next gas station ( page 550).
You are driving with the hood open. ̈ Stop your vehicle as soon as it is safe to do
so.
̈ Engage the electronic parking brake
(
page 412).
̈ Close the hood ( page 554).
There is otherwise danger of an accident.