Expected gains of +46 BHP and +400 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Mercedes-Benz Trucks Actros 1851 510hp euro4+5? A Stage 1 remap can take this Actros 18 diesel engine from 510 BHP to 556 BHP and from 2400 Nm to 2800 Nm of torque (naturally aspirated). This engine scores 4.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz Trucks Actros can achieve.
The Mercedes-Benz Trucks Actros 1851 510hp euro4+5 is a naturally aspirated unknown fuel type engine producing 510 BHP and 2400 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 556 BHP and 2800 Nm — a gain of around 46 BHP (9%) and 400 Nm (17%).
This engine has limited remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 1831 313hp euro3 | 313 → 343 | +30 | 1530 → 1800 | +270 | Moderate (4.5/10) |
| 1832 320hp euro3+4+5 | 320 → 351 | +31 | 1650 → 1900 | +250 | Moderate (4.5/10) |
| 1835 354hp euro3 | 354 → 385 | +31 | 1730 → 1950 | +220 | Moderate (4.5/10) |
| 1836 360hp euro3+4+5 | 360 → 394 | +34 | 1850 → 2050 | +200 | Moderate (4.5/10) |
| 1840 394hp euro3 | 394 → 431 | +37 | 1850 → 2100 | +250 | Moderate (4.5/10) |
| 1841 408hp euro3+4+5 | 408 → 446 | +38 | 2000 → 2270 | +270 | Moderate (4.5/10) |
| 1843 428hp euro3 | 428 → 467 | +39 | 2000 → 2300 | +300 | Moderate (4.5/10) |
| 1844 435hp euro3+4+5 | 435 → 475 | +40 | 2100 → 2350 | +250 | Moderate (4.5/10) |
| 1845 449hp euro3+4+5 | 449 → 513 | +64 | 2200 → 2512 | +312 | Good (6.5/10) |
| 1846 456hp euro3+4+5 | 456 → 497 | +41 | 2200 → 2450 | +250 | Moderate (4.5/10) |
| 1848 476hp euro3+4+5 | 476 → 519 | +43 | 2300 → 2700 | +400 | Moderate (4.5/10) |
| 1850 503hp euro3 | 503 → 548 | +45 | 2400 → 2800 | +400 | Moderate (4.5/10) |
| 1853 530hp euro3 | 530 → 577 | +47 | 2400 → 2770 | +370 | Moderate (4.5/10) |
| 1854 537hp euro3 | 537 → 577 | +40 | 2400 → 2770 | +370 | Moderate (4.5/10) |
| 1855 551hp euro4+5 | 551 → 600 | +49 | 2600 → 2900 | +300 | Moderate (4.5/10) |
| 1857 571hp euro3 | 571 → 622 | +51 | 2700 → 3000 | +300 | Good (6.5/10) |
| 1858 578hp euro3 | 578 → 629 | +51 | 2700 → 3000 | +300 | Moderate (5.5/10) |
| 1860 598hp euro4+5 | 598 → 629 | +31 | 2800 → 3100 | +300 | Limited (3.5/10) |
Get a personalised remap quote for your Mercedes-Benz Trucks Actros. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.