Varies by state... some states use Class C as a default, others only have a Class C CDL. Generally, it's vehicles up to a GVWR of 26,000 lbs.
The 2006 Mercedes-Benz C-Class has rear wheel drive.
The 2003 Mercedes-Benz C-Class has rear wheel drive.
The 2001 Mercedes-Benz C-Class has rear wheel drive.
The 2014 Mercedes-Benz C-Class has rear wheel drive.
The 2012 Mercedes-Benz C-Class has rear wheel drive.
The 2005 Mercedes-Benz C-Class has rear wheel drive.
The 2007 Mercedes-Benz C-Class has rear wheel drive.
The 2004 Mercedes-Benz C-Class has rear wheel drive.
The 2010 Mercedes-Benz C-Class has rear wheel drive.
The 2008 Mercedes-Benz C-Class has rear wheel drive.
The 2011 Mercedes-Benz C-Class has rear wheel drive.
The 2009 Mercedes-Benz C-Class has rear wheel drive.