2007 Mercedes C-Class Owner's Manual - Page 350

Practical hints What to do if ... Display symbol Display message Gas cap is open Possible cause/consequence Possible solution 4 A loss of pressure has been detected in Check the fuel cap ( page 271). the fuel system. The fuel cap may not be If it is not closed properly: closed properly or the fuel system may be Close the fuel cap. leaky. If it is closed properly: Have the fuel system checked by an authorized Mercedes-Benz Center. I Remove key Get a new key You have forgotten to remove the SmartKey. No additional code available for SmartKey. The high mounted brake lamp is malfunctioning. The light sensor is malfunctioning. The headlamps switch on automatically. Remove the SmartKey from the starter switch. Change the SmartKey. Contact an authorized Mercedes-Benz Center as soon as possible. In the control system, set lamp operation to manual mode ( page 139). Switch on the headlamps using the exterior lamp switch. Contact an authorized Mercedes-Benz Center as soon as possible. . 3rd brake lamp AUTO-Light inoperative 349