Trucks / HGV · ECU Remapping
Mercedes Trucks Atego OM926 - 326 (Euro 3/4/5) 326 hp Tuning (2004–)
Factory specification and Stage 1 remap gains for the Mercedes Trucks Atego OM926 - 326 (Euro 3/4/5) 326 hp (2004–). A Stage 1 calibration adds 49 BHP and 200 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 | Stage 2 |
|---|---|---|---|
Power BHP | 326 | 375 +49 BHP · +15% | 385 +59 BHP · +18% |
Torque Nm | 1300 | 1500 +200 Nm · +15% | 1520 +220 Nm · +17% |
+49 BHP
Stage 1 power gain
+200 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: 326 bhp · 1300 Nm (peak)
Stage 1: 375 bhp · 1500 Nm (peak)
Stage 2: 385 bhp · 1520 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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