Dieter Zetsche, also known as Dr. Z, is retiring from Mercedes-Benz after more than 40 years to the company. He’s had many ups and downs – there was the Smart cars and the merger with Chrysler. But his biggest accomplishment will probably be turning the brand around so that it no longer appeals only to coke-sniffers in the financial industry who frequent Miami Beach for wife-swapping parties. There is some Benz model that will appeal to most people willing to pay for it, and even those who can only manage a lease payment.

Happy retirement, Dr. Z!