Recent content by Piers

I’ve been trying to determine the actual differences between the AMG M139 base engine or non s, and the S version but no one, not even on Benz Boost knows? I suspect there’s more than just a difference in boost/map otherwise the stage 1 remap a would all make the same figures and they don’t. I...

Yep, it’s 50kg less than the supercharged V6. Plus the AMG engine has a lightweight forged crank, forged aluminium pistons, a large twin scroll ball bearing turbo (minimal lag, spools earlier), closed deck block, separate cooling circuits for head and block and a neatly packaged and very...