Mercedes-Benz 2006 E -Class Wagon Operator's Manual page 409

Practical hints
What to do if ...
Display symbol Display messages
F
Do not
forget key
Remove key
Replace key
A
Reserve fuel
Check gas cap
See Operator's Manual
408
Possible cause/consequence
This display appears (for a maximum of
60 seconds) if the driver's door is opened
with the engine shut off and no SmartKey
in the starter switch.
This message is only a reminder.
You have forgotten to remove the
SmartKey.
There is no additional code available for
SmartKey or SmartKey with
KEYLESS-GO*.
The fuel level has dropped below the re-
serve mark.
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.
Possible solution
Insert SmartKey in the starter switch.
Take the SmartKey with
KEYLESS-GO* with you when leaving
the vehicle.
Remove the SmartKey from the start-
er switch.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Refuel at the next gas station
( page 312).
Check the fuel cap ( page 312).
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 Center.