Mike Ross

I have a question I'm doing a brake upgrade on my 2015 E Class and I have so far CLS 4matic brembo calipers for the front and I've gotta get the 360mm rotors and pads but I read a comment on a post a while back that a c63 rear caliper is a direct bolt on meaning I would have to get the caliper buy the right size rotors and pads for the rear as well. Is this true and also would a E63 or CLS63 rear caliper bolt up also because I'm thinking they're all the same 4 pot piston caliper judging from their looks