1999 C43 with 1999 E55 motor swap. Stock ECU, no remap.
309.90 torque
284.66 rwhp
About 65 degrees outside and run on a Dynojet (SAE correction applied)
4/23/12 - ECU has not been reflashed with a performance W210 E55 map. Stay tuned for part two when we get this car back on the dyno and see what (if any) hp is gained by the ECU tune.
![](https://s2.save4k.ru/pic/CU1prT1a2zg/mqdefault.jpg)