2003 Mercedes SL-Class Owner's Manual - Page 242

Operation Maintenance Calling up the service indicator Switch ignition on. The standard display of the control system appears ( page 110). Press button k or j on the steering wheel until the service symbol 9 or ´ appears in the speedometer display and the service deadline in the tachometer. Resetting the service indicator In the event that the service on your vehicle is not carried out by an authorized Mercedes-Benz Center, you can reset the service indicator yourself. Switch ignition on. The standard display of the control system appears ( page 110). Press button k or j on the steering wheel until the service symbol 9 or ´ appears in the speedometer display and the service deadline in the tachometer. Press the reset knob for about four seconds. This message appears in the tachometer: Do you want to reset the service interval? Confirm by using reset button To confirm, hold down the reset knob until you hear a signal. The service indicator now displays the reset interval. i Only reset if the proper service has been performed. Resetting the system without performing proper service as called for by the FSS will cause the FSS to incorrectly determine the next service interval which will result in engine damage not covered by the Mercedes-Benz Limited Warranty. If the battery supplying the vehicle's electrical consumers is disconnected, the days of disconnection will not be included in the count shown by the service indicator. To arrive at the true service deadline, you will need to subtract these days from the days shown in the service indicator. Do not confuse the service indicator with the engine oil level indicator : . 242