There have been so many different S-Class models to come out of the Mercedes-Benz lineup throughout the years. The S-Class lineup of vehicles features a range of luxury sedans, limos, and even armored models. These cars are considered the "top-of-the-line" and flagship models for Mercedes-Benz. They were first introduced in 1972 and throughout the years many generations have been produced. These generations have brought about many different innovations in a range of categories like safety systems and interior features. The S-Class has been ranked as the world's best-selling luxury sedan. One of the models produced in the lineup is the S 550e, a plug-in hybrid. It's important that you're shopping for high quality OEM parts for your S 550e. You can find them here on our site.