The Chrysler 300C is a full-size sedan produced by Chrysler since 2004. The Mercedes-Benz CL-Class is a grand tourer produced by Mercedes-Benz from 1992 to 2014. The CL-Class is larger than the Chrysler 300C, so it is unlikely that the Chrysler 300C rims will fit the 2003 CL 600 Mercedes.