Originally Posted by rapistwit
Mercedes says the E63 has 507 bhp and 465 lb ft of torque while the E55 is rated at 469bhp with 516 lb ft of torque.
The engine change was really a lateral move for Mercedes. They needed a less torquey motor for their 7 speed tranny.
That's right. (great tranny, btw, for this motor)
Sorehead, the E63 is NA and the E55 has a blower. The E63 will pull from the line but the E55 catches up. E63 is 507 (in the USA)