2009-2012 MERCEDES BENZ C350 C 350 CARBON FIBER ROOF TRIM MOLDINGS 2PC 2010 2011 09 10 11 12 MERCEDES-BENZ W204 THIS IS NOT REAL CARBON FIBER. Product is made of aa ABS molding wrapped with carbon fiber vinyl. You will need to trim the pieces to fit the length of the roof. Pieces can be cut with a simple pair scissors or razor. Kit includes 2 six foot pieces that measure 3/4 inches in width. Please measure your car roof to make sure they will fit. If longer pieces are needed let us know. Product comes backed with 3M tape for an easy installation. Product will not replace your stock parts. Item installs over your stock roof pieces.