These two cars are racing thoroughbreds of the highest order.
This Cobra is known as the Dick Smith Cobra. It was piloted to more national and divisional championships than any other Cobra. In 1967 it posted a top speed of 198 mph....making it the fastest street-based car in the world at that time. A few current street-based cars can exceed that top speed but that's not surprising considering that 50 years have passed since this car ruled the roost.
This car started it all for the infamous Mercedes-Banz 300 SL gullwing cars. The car you're looking at is a 1952 Mercedes 300 SL W194. It won the historic 24 hour LeMans race and spawned a series of cars that ruled international racing for some time.