Trucks / HGV · ECU Remapping
Mercedes Trucks Atego OM904 - 122 (Euro 3) 122 hp Tuning (1998–2008)
Factory specification and Stage 1 remap gains for the Mercedes Trucks Atego OM904 - 122 (Euro 3) 122 hp (1998–2008). A Stage 1 calibration adds 28 BHP and 80 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 | Stage 2 |
|---|---|---|---|
Power BHP | 122 | 150 +28 BHP · +23% | 160 +38 BHP · +31% |
Torque Nm | 470 | 550 +80 Nm · +17% | 570 +100 Nm · +21% |
+28 BHP
Stage 1 power gain
+80 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: 122 bhp · 470 Nm (peak)
Stage 1: 150 bhp · 550 Nm (peak)
Stage 2: 160 bhp · 570 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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