Conversion was made with body kit, front grille and exhaust.
Check out the items!
https://www.carpartstuning.com/complete-body-kit-suitable-for-mercedes-s-class-w221-2005-2011-lwb-cbmbw221amg/4979273-3/
https://www.carpartstuning.com/front-grille-facelift-suitable-for-mercedes-w221-s-class-2011-2013-s63-s65-design-fgmbw221amg/4983377-11/
https://www.carpartstuning.com/exhaust-muffler-tips-suitable-for-mercedes-s-class-w221-s65-s63-design-ty-s65/4979788-85/