2003 Mercedes E-Class Owner's Manual - Page 323

Practical hints What to do if ... Display Possible cause Remove key! Replace key Automat. light on Remove key! Possible solution Remove the key from the starter switch. Change the batteries ( page 328). Remove the key from the starter switch. I You have forgotten to remove the key. The batteries in the key are dead. A J ? Reserve fuel Door open Visit workshop! The fuel level has dropped below the reserve mark. You are attempting to drive with one or more doors open. There may be a malfunction in the: fuel injection system ignition system exhaust system fuel system Refuel at the next filling station ( page 259). Close the doors. Have the measuring system checked by an authorized Mercedes-Benz Center. ± Display defective Visit workshop! Certain electronic systems are unable to relay information to the control system. The following systems may have failed: Coolant temperature display Tachometer Cruise control display Have the electronic systems checked by an authorized Mercedes-Benz Center. 323