CL grill for a C class

I've seen plenty of C classes driving around town with CL grills. how does that work? can i just buy a CL grill and put it on, or do i have to buy a special grill for that, and if so does anyone know where i can buy one?

                                                                                           - C320

You can buy the CL grille for your car at www.performanceproducts.com

GJR