349
Practical hints
What to do if …
Display symbol Display message Possible cause/consequence Possible solution
4
Gas cap
is open
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 271).
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.
I
Remove key
You have forgotten to remove the
SmartKey.
̈ Remove the SmartKey from the starter
switch.
Get a new
key
No additional code available for
SmartKey.
̈ Change the SmartKey.
.
3rd brake
lamp
The high mounted brake lamp is
malfunctioning.
̈ Contact an authorized Mercedes-Benz
Center as soon as possible.
AUTO-Light
inoperative
The light sensor is malfunctioning.
The headlamps switch on automatically.
̈ In the control system, set lamp opera-
tion to manual mode (
୴ page 139).
̈ Switch on the headlamps using the
exterior lamp switch.
̈ Contact an authorized Mercedes-Benz
Center as soon as possible.
