The Mercedes-Benz S-Class is a series of the largest sedans produced by Mercedes-Benz, a division of Daimler AG. The S-Class, a product of nine lines of Mercedes-Benz models dating since the mid-1950s, is the world's best-selling luxury flagship sedan. As the foremost model in the Mercedes-Benz lineup, the S-Class has debuted many of the company's latest innovations, including advanced safety systems, drivetrain technologies, and interior features. Notably, the S-Class introduced the first airbag supplemental restraint systems, seatbelt pretensioners, and electronic stability program.