The 1998 Mercedes-Benz S-Class represents the fourth generation of the flagship luxury sedan line, known for top-tier comfort, safety, and technology. Three trims are available: S320, S420, and S500. The base S320 features a 3.2-liter inline-six engine producing 228 hp, while the S420 and S500 come with V8s yielding 275 and 315 hp, respectively. All models employ a 5-speed automatic transmission, with standard RWD and optional 4MATIC AWD. The S-Class stands out for its high safety standards, offering front and side airbags, traction control, and an electronic stability program. Cutting-edge tech for its time, such as dual-zone automatic climate control and a Bose audio system, add to the luxurious experience onboard. Notable for 1998, side-impact airbags became standard and the electronic stability program debuted.