The S-Class is a lineup of different full-sized luxury sedans, armored sedans, and limousines produced by Mercedes-Benz. They are considered to be the flagship vehicles produced by the brand and are "top-of-the-line." The cars were first introduced back in 1972. Since then, many different generations of S-Class models have been produced. These generations have produced many different unique models with various features. One of the S-Class models would be the S 450, which was introduced as a fifth generation model. These cars were under the W221 designation and shown at the Frankfurt International Motor Show in 2005 for the 2006 model year. The North American Premiere was at the 2006 North American International Auto Show. You want to get the best parts and accessories for your S 450. This means shopping for OEM components here on our Official Mercedes-Benz Parts Store.