From the makers of the redone Hennessey Jeep SRT600 Grand Cherokee and Chevrolet Camaro V6, comes our next tune. Vilner, a relatively new company in the aftermarket industry based in Bulgaria, has prepared a styling proposal for the interior of the Mercedes-Benz SL 63 AMG. The package is called “Shadow Line” and it treats the hardtop roadster’s cabin with handmade leather goods starting from the seats and door panels and finishing up with the steering wheel, which is also upgraded with a thicker rim featuring a more flattened bottom area. The colors of choice for the leather seats and door panels are red and black with contrasting silver stitching completing the look. While Vilner did not release pricing for the customized interior, the Bulgarian company did publish a neat video showing us the work that goes into the creation of the tailor-trimmed steering wheel. You can watch it right after the break.