SW upgrade 278903830 - ECU ori File stage 1 278903830 p ori flexfuel ethanol E85 chiptuning tuning file tuned Database - Driver Stage 1
MERCEDES S (W222) S550 4700 TwinTurbo 455CV
BOSCH | MED17.7.3 | 0261xxxxxx | 2789023200 2789038300 | 2789038300 |278903830 MXXXA26F.drt ( ECM )
ORI = Download ori file
Stage 1 = Tuned file.
Stage 1 E85 flexfuel = Stage 1 + automatic flexfuel file


Direct payment with paypal; Email with file under 1 hour.


MERCEDES S (W222) S550 4700 TwinTurbo 455CV

Ecu pcm file