According to wikipedia (https://en.wikipedia.org/wiki/Freightliner_Business_Class_M2)
"The Freightliner Business Class M2 is a model range of medium-duty trucks produced by Freightliner. In production since June 2002, the M2 was the successor to the FL-Series introduced in the 1990s.[2] In terms of size, the M2 is produced in Class 5 through Class 8 GVWR ratings". There is Freightliner competing primarly against the International DuraStar & the Ford F-650/F-750 Super Duty.[]
According to (https://en.wikipedia.org/wiki/Freightliner_Business_Class_M2) "produces the Business Class M2 model range in Mount Holly, North Carolina and Santiago Tianguistenco, Mexico."[]
The Business Class M2 is produced in a wide range of configurations, in both medium-duty and severe-service configurations. There are three different cab configurations: a 106-inch BBC (bumper to back of cab) day cab, a 132-inch BBC extended cab, and a 154-inch BBC 4-door crew cab. The crew-cab configuration offers seating for up to 6 passengers."