[dpfu]

The original was destroyed by fire, but Mercedes-Benz made functional replicas. Here is a photo gallery with an engineer riding this thing (without a helmet, of course):

https://www.spiegel.de/fotostrecke/125-jahre-daimler-reitwag...

[tsar_nikolai]

Well yeah, the motorcycle helmet was introduced nearly 30 years after the Reitwagen, of course ツ https://en.wikipedia.org/wiki/Motorcycle_helmet