High Quality Content by WIKIPEDIA articles! The Mercedes-Benz 450SEL 6.9 is a high-performance version of the S-Class luxury saloon. It was built on its own assembly line by Daimler-Benz in Stuttgart, Germany and based on the long-wheelbase version of the W116 chassis introduced in 1972. The model was generally referred to in the company's literature as the "6.9", to separate it from the regular 450SEL. The 6.9 was first shown to the motoring press at the Geneva Auto Show in 1974, and produced between... Mehr