Mercedes-Benz has unveiled a heavily updated S-Class, calling it the most extensive update within a single generation of the luxury sedan. At the heart of the update is the new Mercedes-Benz Operating System (MB.OS), a next-generation electrical and electronic architecture that links all vehicle systems and enables comprehensive over-the-air updates. ALSO READ: This Audi RS 6 Avant Is What Happens When Stock Isn’t EnoughPowertrain updates span the range. A plug-in hybrid variant offers around 100 km of electric range and up to 430 kW of combined system output. New Digital Light headlamps with micro-LED technology provide roughly 40 percent more illumination, while an illuminated Mercedes star on the bonnet debuts on the S-Class.