MBE - 4000 - 12.8 370hp Stage 1 tuning

The Freightliner Classic XL MBE - 4000 - 12.8 370hp produces 370 hp and 1828 Nm as standard. The YASTUNING Stage 1 remap file takes it to 420 hp and 2100 Nm, a gain of +50 hp and +272 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.