The Mercedes-Benz E55 AMG is a high-performance luxury sedan that was produced by Mercedes-Benz between 1998 and 2006. It is powered by a 5.4-liter supercharged V8 engine, and includes a series of performance-enhancing features such as an upgraded suspension, a modified engine computer, and an aggressive body kit. The E55 AMG was praised by critics for its style, performance, and luxury features, and is still considered to be one of the best luxury sports sedans ever produced.