FSS ==> Flexible Service System
I tried the following which is posted on
for a ML320, but that didn't work on a 2001 C320.
Please share the info if you have it, thanks.
How to reset FSS after an oil change:
turn ignition key to position 2
press reset button twice within 4 seconds
turn ignition back to pos 1
press and hold the reset button
turn ignition to pos 2
keep pressing the reset button until
buzzer sounds and new miles display