The only SLS AMG Black Series finished by the factory in Designo Mystic Blue Mercedes-Benz’s 21st Century reincarnation of the iconic 300 SL “Gullwing” design One of just 350 track-focused, GT3 race car-inspired SLS Black Series examples built Equipped with a naturally aspirated 6.2-litre V-8 engine generating 631 horsepower European-specification car; displays only 362 kilometres at the time of cataloguing Designed as a modern-day interpretation of the iconic Mercedes-Benz 300 SL “Gullwing”, the SLS would become the fifth model to receive the Black Series treatment by AMG.

An impressive 70 kilograms was stripped out of the base car, although the headline act was undoubtedly the atmospheric 6.2-litre V-8.

The standard rev limit was raised by 800 rpm for a thunderous 8,000 red line, which in turn added 60 horsepower for a grand total of 631.

As a result, Mercedes-Benz could proudly lay claim to having the most powerful naturally aspirated eight-cylinder production car engine in the w...