Every car's sticky issue is different as one may recognize from today's Slide Show. Today's car has major sticky issues on the covers of the steering column. Therefore, the panel of the A/C's turning knobs has only minor issues - so far...
No owner, starting with the 348 (we are sure about that by now) up to the 599-series (we have secure knowledge that the 599 is infected as well), can escape stickiness, it's just a question of time.
Matthias Urban will report next week about his visit to the vinatge car dealer who offeres sticky repair.