Trucks / HGV · ECU Remapping
Mercedes Trucks Actros OM501 - 394 (Euro 3/4) 394 hp Tuning (2001–)
Factory specification and Stage 1 remap gains for the Mercedes Trucks Actros OM501 - 394 (Euro 3/4) 394 hp (2001–). A Stage 1 calibration adds 66 BHP and 330 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 | Stage 2 |
|---|---|---|---|
Power BHP | 394 | 460 +66 BHP · +17% | 470 +76 BHP · +19% |
Torque Nm | 1850 | 2180 +330 Nm · +18% | 2200 +350 Nm · +19% |
+66 BHP
Stage 1 power gain
+330 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: 394 bhp · 1850 Nm (peak)
Stage 1: 460 bhp · 2180 Nm (peak)
Stage 2: 470 bhp · 2200 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 Actros'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.