Originally Posted by esquire
language directly from the press kit @ page 10:
"The optionally available MDrive configuration enables the driver to pre-select the response of the Servotronic power sterring. In the process, MDrive is able to follow two ocntrol maps varying steering forces between the Normal and Sports settings as a function of road speed"
a little different than active steering, but in end-effect achieves a very similar goal.
As long as it only changes the steering effort and not the steering ratio then I am happy.