Trucks / HGV · ECU Remapping
Mercedes Trucks Atego OM904 - 177 (Euro 3/4/5) 177 hp Tuning (2004–)
Factory specification and Stage 1 remap gains for the Mercedes Trucks Atego OM904 - 177 (Euro 3/4/5) 177 hp (2004–). A Stage 1 calibration adds 28 BHP and 110 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 | Stage 2 |
|---|---|---|---|
Power BHP | 177 | 205 +28 BHP · +16% | 215 +38 BHP · +21% |
Torque Nm | 675 | 785 +110 Nm · +16% | 805 +130 Nm · +19% |
+28 BHP
Stage 1 power gain
+110 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: 177 bhp · 675 Nm (peak)
Stage 1: 205 bhp · 785 Nm (peak)
Stage 2: 215 bhp · 805 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
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