At 100 KM/H what should the approximate RPM be? on level road, correct sized tires, and 3.08 rear gear?

I calibrated my speedometer (as well as fixed my ODO) and I'm damn close..I have no bench mark, untill I can borrow my Boss' GPS unit to make sure..

at a displayed 100kmh, It's turning just under 2500 RPM, which in my mind, is where it should be, but it 'feels' faster....

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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