Trucks / HGV · ECU Remapping
Mercedes Trucks Axor OM457 - 401 (Euro 3/4/5) 401 hp Tuning (1999–)
Factory specification and Stage 1 remap gains for the Mercedes Trucks Axor OM457 - 401 (Euro 3/4/5) 401 hp (1999–). A Stage 1 calibration adds 64 BHP and 300 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 | Stage 2 |
|---|---|---|---|
Power BHP | 401 | 465 +64 BHP · +16% | 475 +74 BHP · +18% |
Torque Nm | 2000 | 2300 +300 Nm · +15% | 2320 +320 Nm · +16% |
+64 BHP
Stage 1 power gain
+300 Nm
Stage 1 torque gain
Power & torque curves
Illustrative Performance Curve
Illustrative curve generated from published/estimated peak figures. This is not an individual rolling-road test. Power (BHP, solid) and torque (Nm, dashed) across engine speed (RPM); peak figures match the published database values.
Hover / touch the graph
Stock: 401 bhp · 1999.5 Nm (peak)
Stage 1: 465 bhp · 2299.4 Nm (peak)
Stage 2: 475 bhp · 2320 Nm (peak)
Tuning tool compatibility
This ECU was not found in the manufacturer compatibility databases we cross-reference.
AutoTuner
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Alientech KESS3
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Magicmotorsport FLEX
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Dimsport New Genius / New Trasdata
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Existing customers upload their ECU file via the Regal Tuning File Portal. New to Regal? Request a quote first.
20+ years of ECU calibration
Ready to unlock your Mercedes Trucks Axor's real performance?
Tell us your truck and registration — we'll confirm support and the exact expected gains for your engine before any work begins.