If you're describing mercedes as the glacial50somethings, you're not aware that more often than not Mercedes are the first to market with a huge amount of every feature imaginable in the history of automaking. Want to see what features regular cars will have in 10 years? Go check out an S class today.
Things like onboard navigation, voice controls, parking sensors? All 90s technology on the S class. Autopilot came before the Tesla's, radars, adaptive suspension, etc are all things from several years ago in the S class land.
They just use that line to showcase all the cool things that a car can do.