change key battery MERCEDES-BENZ ML500 2006 W163 Owner's Manual

416 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause
Possible solution
A
Reserve fuel
The fuel level has dropped below
the reserve mark.

Refuel at the next gas station
(page 323).
Check gas cap
See Operator’s Manual
A loss of pressure has been de-
tected in the fuel system. The
fuel cap may not be closed prop-
erly or the fuel system may be
leaky.

Check the fuel cap (
page 323).
If it is not closed properly:

Close the fuel cap.
If it is closed properly:

Have the fuel system checked by an au-
thorized Mercedes-Benz Light Truck Cen-
ter.
a
Hood open

Trunk open
You are driving with the hood or
the tailgate open.

Close the hood (
page 326) or the tail-
gate (
page 120).
F
Key
Check battery
The SmartKey with
KEYLESS-GO* batteries are
discharged.

Change the batteries (
page 440).
Please do
not forget key
This display appears (for a maxi-
mum of 60 seconds) if the driv-
er’s door is opened with the
engine shut off and no SmartKey
in the starter switch.
This message is only a reminder.

Insert SmartKey in the starter switch.

Take the SmartKey with KEYLESS-GO*
with you when leaving the vehicle.