Simplify the following text for a Grade 6 native English-speaking person.
Original: It was officially unvieled at the 2006 Paris Motor Show , went on sale in mid-2006 in Europe as a 2006 model , then went on sale in Canada in March 2007 as a 2007 model , before finally going on sale in the United States in October 2007 as a 2008 model .
Simplified: The C30 went on sale in Canada in March 2007 as a 2007 model , and in October 2007 in the United States as a 2008 model .