Reset service light indicator, engine oil life Mercedes Benz C-Class, year 1997-2000 reset instructions:

How to reset oil service light Mercedes Benz C-Class. From year: 1997-2000
*Diagnostic Reset Tool Required (please refer to TOOLS page)
Manual Reset:
Turn key in steering lock to position 2.
Within 4 seconds press 0 button twice.
The present status for days or distance displays, within 10 seconds turn the electroninc key in steering lock to position 0.
Press and hold 0 button while turning electronic key in steering loack to position 2 again. The present status for days or distance displays once more. Continue to hold 0 button for approximately 10 seconds until a signal sounds and the display shows 10 000 (15000KM) for approximately 10 seconds.
Release 0 button, the status is reset.
2001
Turn key in steering lock to position 2.
Call up the trip odometer and main odometer: press either of the lower two buttons on the left hand side of steering wheel until the display appears.
Press either of the top buttons on steering wheel (arrows) until the FSS indicator appears.
Press R button on the instrument cluster for 2-4 seconds.
The display reads “DO YOU WANT TO RESET SERVICE INTERVAL?” confirm by pressing R button.
Press and hold the R button on instrument cluster again until signal sounds. Message will res “SERVICE INTERVAL HAS BEEN RESET”.
2002
Switch ignition on.
Repeatedly press the system selection button (bottom button located on left hand side of steering wheel) until the service symbol is displayed in the multifunction display.
Repeatedly press the SCROLL FORWARD/BACK button (top button on left hand side of steering wheel) until the service symbol is displayed in the multifunction display.
“DO YOU WANT TO RESET THE SERVICE INTERVAL?” appears, confirm that you see the message by holding down the RESET (R) button until you hear a signal.
The reset interval is set.
2003
Turn on the ignition (standard display of the control system appears).
Press SYSTEM button on the multifunction steering wheel until FSS indicator with service symbol and the service deadline appear on display.
Message appears on display “DO YOU WANT TO RESET THE SERVICE INTERVAL?” Confirm by pressing RESET (R) button until you hear a signal (approximately 4 seconds).
2004
Turn on the ignition (standard display of the control system appears).
Press button (UP arrow) or (DOWN arrow) on the multifunction steering wheel until the FSS indicator appears in the display.
Press RESET button for about 3 seconds until this message appears: “SERVICE INTERVAL? RESET WITH R BUTTON FOR 3 SEC.”
To confirm press RESET button until you hear a signal. The service indicator now displays the reset interval.