MBE - 4000 - 12.8 409hp Stage 1 tuning

The Freightliner Classic MBE - 4000 - 12.8 409hp produces 409 hp and 1964 Nm as standard. The YASTUNING Stage 1 remap file takes it to 460 hp and 2150 Nm, a gain of +51 hp and +186 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.