Simplify the following text for a Grade 8 native English-speaking person.
Original: 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 .
Simplified: 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 .