A tech told me that in the new cars a computer can tell the techs how the owner drives the car(aggressive, moderate, conservative, etc). I guess the computer detects how hard the driver accelerates and brakes by measuring speed and pedal travel. Is there any device a novice could buy to measure how hard a driver generally accelerates and brakes?

Went into a dealership last night and one of the salesman told me he always uses 50-80% of his throttle off the line even in traffic, the other salesman laughed and said he uses only like 20%. Hard to believe driving styles could be so different and that the cars pick up on this and adjust accordingly.

By the way, the first guy who accelerates hard said he's not hurting the car but rather "helping" the engine lol

The "economy" gauge that MB put in some of their models display just how one maintains throttle...it measures manifold vacuum pressure.

Data like that is fairly easy to collect for a computer. The FSS system (my ML has it) supposedly figures out my next service interval based on one of these driving parameters...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car

My BMW has a MPG gauge that reads how much the ingetors are spraying, speed etc. Works pretty well to at 100mph I still get 20mpg
I think the c220's and c280's had this to did'nt they