C63 Black Series Coupe spotted again testing on the ring - Twin turbo V8 rumors continueWe reported not too long ago that the M156 was rumored to be confirmed for the Black Series C-Class. With this latest round of spy photos M157 twin turbo V8 rumors have started up again due to the sounds heard from the car when testing. Could it just be a photographer imagining things? Sure, as all signs are pointing to the M156 right now. It could be that Mercedes hasn't made their own minds up yet.
This article was originally published in forum thread: C63 Black Series Coupe spotted again testing on the ring - Twin turbo V8 rumors continue started by Sticky View original post