Had a test drive in a SLK which had the paddle shift. When using the paddles on upshifting I could see the gear display going up 1,2,3 etc but on getting to 6 the next paddle operation displayed D. I was also watching the rev counter and in addition feeling the slight surge when shifting, however on pressing the paddle when 6 was displayed there was no reduction in the rpm and could not detect the shift when moving to D. So am I missing something as no experience with this auto box or is something vere very wrong as there appeared to be no 7th gear? Also when downshifting from D the next gear displayed was 5, not 6. Is this also normal/abnormal. The owner of the car could not comment as had only used the car in the auto mode.