2005 Mercedes C-Class Owner's Manual - Page 295

Operation Maintenance Clearing the maintenance service indicator The maintenance service indicator is automatically cleared after ten seconds when you switch on the ignition or when reaching the maintenance service threshold while driving after 30 seconds, once the suggested maintenance service term has passed You can also clear it yourself. Maintenance service term exceeded If you have exceeded the suggested maintenance service term, you will see the following message in the multifunction display: Service A exceeded by XX Days Service A exceeded by XX Miles (Km) Calling up the maintenance service indicator Switch on ignition ( page 33). The standard display of the control system appears ( page 121). Press button k or j on the multifunction steering wheel until the maintenance service indicator with the service symbol 9 or ´ and the service deadline appears in the multifunction display. In addition, a signal sounds when the message appears. Any authorized Mercedes-Benz Center will reset the maintenance service indicator following a completed maintenance service. i If the battery is disconnected, the days of disconnection will not be included in the count shown by the maintenance service indicator. To arrive at the true maintenance service deadline, you will need to subtract these days from the days shown in the maintenance service indicator. Do not confuse the maintenance service indicator with the engine oil level indicator :. 1 Reset button Press reset button 1 on the instrument cluster. 293