Sport Cars

How to Reset a Flexible Service System in a Mercedes C280

1998-2002 Vehicles
1. Turn the ignition to the On position but do not start the vehicle.
2. Press the FSS button twice within four seconds. The button may have a 1 or a 0 imprinted on or near it. This will show the days or mileage remaining until the next service is due.
3. Turn the ignition key to the Lock position within 10 seconds. This is one position back from the On position.
4. Depress and hold the FSS button while turning the ignition to the On position. Do not start the vehicle. This will show the days or mileage remaining until service is due again. Continue to hold the button for 10 seconds until you hear a tone. The display will indicate 10,000 miles and 365 days to next service.
5. Release the FSS button and turn the ignition to the Lock position. The reset procedure is now complete.
2003-2007 Vehicles
6. Turn the ignition to the On position but do not start the vehicle.
7. Press the FSS button for about three seconds. The display will read: DO YOU WANT TO RESET THE SERVICE INTERVAL? CONFIRM BY PRESSING R, or it will read, SERVICE INTERVAL? RESET WITH BUTTON.
8. Press and hold the FSS reset button until a tone sounds. The FSS will now display the reset interval.
9. Release the FSS button then turn the ignition off. The reset procedure is now complete.