Mercedes-Benz C63 AMG W204 (M156)

ECU: Bosch ME9.7

Chiptuning
Ori: 457hp - 600Nm
measured Ori data : 438hp - 561Nm
Stage 1: 491hp - 580Nm
+54Hp +19Nm

Speed limit off
Programming: Bench mode/BDM

Unfortunately we cannot measure 100-200 because of the rainy weather,  but on the basis of the previous programming experiences, the average improvement is 1.5-1.8sec, compared to the ori.
Despite of that, it is an aspirated motor, it has relatively good reserves in pont of force.