20th Century Mercedes "Sleepers"

Non-AMG Mercedes performance cars:

Mercedes-Benz 450SEL 6.9: https://en.wikipedia.org/wiki/Mercedes-Benz_450SEL_6.9

Mercedes-Benz 450SEL 6.9: Fastest European Sedan (July 1977):

https://www.caranddriver.com/reviews/a15143513/mercedes-benz-450sel-69-archived-road-test/

Mercedes-Benz 450SEL for Sale:

https://www.hemmings.com/classifieds/cars-for-sale/mercedes-benz/450sel

Mercedes-Benz 500 E: https://en.wikipedia.org/wiki/Mercedes-Benz_500_E

A Young Classic - the Mercedes-Benz 500 E:

https://www.mercedes-benz.com/en/classic/museum/mercedes-benz-500-e/

Mercedes-Benz 500E for Sale:

https://www.hemmings.com/classifieds/cars-for-sale/mercedes-benz/500e