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Mercedes C111 (1969) record breaker
The C111 was a rare example of Mercedes letting its hair down and testing out some wild ideas. The original 1969 model used a mid-mounted three rotor Wankel rotary engine in an incredibly streamlined fibreglass body that produced a drag co-efficient of just 0.191. Of course being a Mercedes it featured a leather trimmed, air-conditioned cabin and gullwing doors made a welcome return. The following year it reappeared with a four-rotor, 350bhp Wankel engine and was reportedly capable of 180mph. Mercedes decided against rotary technology and the third iteration of the C111 used a 230bhp straight-five turbodiesel. With it Mercedes beat numerous diesel records, achieving 200mph at the Nardo high-speed bowl in Italy in 1978. Mercedes revived the name in 1991 for a road going supercar, the C112 but after taking 700 orders decided to kill the project.
