Mercedes-AMG builds the world’s most powerful turbo 4-cylinder engine for the new A45 – 416 hp, 500 Nm
https://youtu.be/MdMQ4OjbYng Mercedes-AMG prides itself on its “one man, one engine” principle, and this continues with the newly introduced M139 engine, which will go into the upcoming W177-based A 45. Touted as the …