M156 V8 confirmed for C63 Black Series? Reports suggest no twin turbo V8
We have seen a lot of back and forth regarding the C63 Black Series motor. Will it have the M157 twin turbo V8? Will it get the M156? Well, an e-mail has gone out to a select few sources suggesting the M156 is confirmed. It is said to have 507 horsepower, exactly what the CLK63 Black Series had. Mercedes has not confirmed this but all sites reporting are pointing toward an M156 derivative now with some saying internal sources have confirmed this. We would have liked the M157, but we will reserve judgement until we see the final product.