Tamiya 1/24 Mercedes SLR 722 24317In a joint venture with McLaren Automotive, Mercedes designed the SLR or "Sport, Leicht, Rennsport" (sport, light, racing). The original SLR series was released in the 1950s and were based on the W196 F1 car. To revive the series, Mercedes release a new, sleek SLR in 2003. The SLR722 was introduced, in 2006, and named after the 7: 22am start time of drivers Moss Jenkinson car at the 1955 Italian Mille Miglia endurance race. Powered by a 5. 4L SOHC V8