Mercedes-Benz Trucks Actros 2003-2005 500 503bhp remap figures
Stock, this 2003-2005 Mercedes-Benz Trucks Actros diesel (15.9L) produces 503bhp and 2400Nm. Our expected figures for a Stage 1 remap are 584bhp and 2765Nm, an expected gain of up to 81bhp and 365Nm.
Choose your map
Stage 1 remap figures
A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.
| Stock | Vanguard expected | Expected gain, up to | |
|---|---|---|---|
| Power | 503 bhp | 584 bhp | +81 bhp |
| Torque | 2400 Nm | 2765 Nm | +365 Nm |
All maps at a glance
| Map | Power | Torque | Expected gain, up to |
|---|---|---|---|
| Stock | 503 bhp | 2400 Nm | |
| Stage 1Maximum software-only performance | 584 bhp | 2765 Nm | +81 bhp +365 Nm |
| Stage 1 EcoPerformance with economy in mind | 564 bhp | 2736 Nm | +61 bhp +336 Nm |
| Eco mapEconomy first | 557 bhp | 2718 Nm | +54 bhp +318 Nm |
Who is the Stage 1 map for?
- Drivers who want stronger pulling power for overtaking, hills and towing, with no parts to fit.
- Daily and motorway drivers who want the engine to feel less strained at cruising speed.
- Anyone who wants the biggest software-only change we list for this engine.
What this means for your Actros
Diesel remaps work mainly on boost pressure, fuel delivery and torque limiters, which is why the Nm gain is usually the figure you feel in everyday driving, particularly when overtaking or towing.
The ECU recorded for this variant is a Temic. Older engine management is simpler to work with, but age matters: worn sensors, leaks and tired components can hold back what a remap delivers, which is why we run a diagnostic check first.
We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.
Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.
Figures reviewed 22 October 2026.
Stage 1 questions
How much power does the Stage 1 map give the Mercedes-Benz Trucks Actros 500 503bhp?
We expect 584bhp and 2765Nm against 503bhp and 2400Nm as standard: up to +81bhp and +365Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.
Does a Stage 1 remap need any extra parts on the Mercedes-Benz Trucks Actros 500 503bhp?
No. Stage 1 is a software-only change to the ECU on an otherwise standard car.
Is there a gentler map than Stage 1 for this engine?
Yes, two. Stage 1 Eco is performance with economy in mind: 564bhp and 2736Nm expected. The Eco map is economy first: 557bhp and 2718Nm. Both still sit above the standard 503bhp and 2400Nm.
Do I need to tell my insurer about a remap?
Yes. A remap is a modification, so you should declare it to your insurer.
More Mercedes-Benz Trucks Actros figures
Other diesel variants
- 510 510bhp 2011>
- 480 480bhp 1996-2002
- 480 476bhp 2004-2009
- 530 530bhp 1996-2002
- 540 537bhp 2003-2005
- 460 455bhp 2004-2009
- 550 551bhp 2004-2009
- 440 435bhp 2004-2009
- 570 571bhp 1996-2002
- 430 428bhp 2004-2009
All diesel Actros variants · Actros 1996> overview · All Mercedes-Benz Trucks figures