The Freightliner Business Class M2 is a model range of medium-duty trucks produced by Freightliner. In production since June 2002, the M2 is the successor to the FL-Series introduced in the 1990s. In terms of size, the M2 is produced in Class 5 through Class 8 GVWR ratings, competing primarily against the International Durastar and the Ford F-650/F-750 Super Duty.