Has anyone tried to change the FSS mileage calculation? Or is it hard-coded in the Instrument Cluster/ECU? My '01 ML430 resets the FSS counter to 10,000 miles, but I would like to change it to, say, 8 or 9,000 miles.

Maybe using three hands, you can accomplish this by turning the key, holding the button and changing the time of the clock. Heck, I don't know... but worth a try... or a laugh. Seriously though, anyone know if it is changable?

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MBCA Member #B012089 (Lone Star Section)
OBK Member #47 (W123 Division)
'96 SL600 (105K) Triple Black - Mein über-Fräulein
'79 240D (292K) Yellow/Saddle - Mein Spielzeug
'01 ML430 (123K) Black/Saddle - Wife's Ride
'94 SL500 (164K) Green/Champagne - Daughter's Dream
'73 450SL - RIP
'86 300E - RIP
'88 420SEL - SOLD
'94 S320 - SOLD

Far as I know, this can be done on some vehicles, by the dealer with the SDS tool.
They do it in Germany, when customers are using the latest, greatest engineoil ( 229.51 spec. ) in their diesel engines.
In that case, they'll reset the intervals from 20 k km to 25 k km.
Not sure if anything can be done on North American vehicles.

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2007 C 230 Sport.