Input (grade 12): One reason for Mercedes parting ways with McLaren was "because of McLaren's ambitious plans to build road cars", as McLaren plan to put the McLaren MP4-12C in production by 2011.
Output (grade 5): One reason given for Mercedes parting with McLaren was "because of McLaren's ambitious plans to build road cars". McLaren plan to put the McLaren MP4-12C in production by 2011.