The W220 Mercedes S-class was a huge departure from the cathedral on wheels predecessor, W140. It was up to 300kg lighter, smaller in size, sleeker and more elegant and was innovative as ever, with a massive 340 patents. Here is an interesting video discussing the innovations of this car - Rolf
And another interesting video in German on the people behind the development of this car.
And another interesting video in German on the people behind the development of this car.