Mercedes-Benz Trucks Atego All 1226 256hp
Real standard and upgraded performance figures for the 1226 256hp engine in the Mercedes-Benz Trucks Atego All.
The Mercedes-Benz Trucks Atego All 1226 256hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 256 | 970 |
| Stage 1 | 310 | 1120 |
| Stage 2 | 337 | 1195 |
- Make
- Mercedes-Benz Trucks
- Model
- Atego
- Generation
- All
- Engine
- 1226 256hp
Frequently asked questions
Is Stage 1 tuning safe for the Mercedes-Benz Trucks Atego All 1226 256hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the 1226 256hp make after tuning?
Standard output is 256 HP / 970 Nm; Stage 1 on this engine typically reaches 310 HP / 1120 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Mercedes-Benz Trucks Atego All 1226 256hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the 1226 256hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.