In 1962 Herman Lang came back to the Nürburgring to drive his Mercedes W125 Grand Prix car again. The 1937 Mercedes W125 Data: 8-Cylinder In-line 5,660 CC 646 bhp at 5,800 rpm (The most powerfull gp car ever built up until the late seventies)
Those were the days
YouTube - Nürburgring - Herman Lang