Naturally, a different motor goes in the DTM car, series regulations prohibiting turbocharging and dictating a 4.0-liter, naturally-aspirated V8 with 90-degree vee angle and a maximum of 500 hp. In 2017 the regulations will change to mandate 2.0-liter, four-cylinder turbocharged motors with about 600 hp in a Class One car. The switch will align DTM regs with Japan's Super GT and IMSA here the US, so they can move between series' with minimal changes. That has the possibility of at least doubling the number of automakers on the grid – the German three and the Japanese three at once – and enabling a World Cup series held in the off-season between 2017 and 2018.
Since 2000 Mercedes has won six Driver's Championships in DTM and nine Constructor's Championships, but it hasn't taken home a trophy since 2010. With six races to go in the season it has a team in second place, six points behind the leader. T
