FSS ==> Flexible Service System

I tried the following which is posted on
http://www.4x4abc.com/ML320/ML_FSS.html
for a ML320, but that didn't work on a 2001 C320.

Please share the info if you have it, thanks.

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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
appears