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Stage 1 ยท Diesel

Mercedes-Benz Trucks Actros 2003-2005 580 578bhp remap figures

Stock, this 2003-2005 Mercedes-Benz Trucks Actros diesel (15.9L) produces 578bhp and 2699Nm. Our expected figures for a Stage 1 remap are 670bhp and 3110Nm, an expected gain of up to 92bhp and 411Nm.

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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.

StockVanguard expectedExpected gain, up to
Power578 bhp670 bhp+92 bhp
Torque2699 Nm3110 Nm+411 Nm

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All maps at a glance

MapPowerTorqueExpected gain, up to
Stock578 bhp2699 Nm
Stage 1Maximum software-only performance670 bhp3110 Nm+92 bhp
+411 Nm
Stage 1 EcoPerformance with economy in mind647 bhp3077 Nm+69 bhp
+378 Nm
Eco mapEconomy first640 bhp3057 Nm+62 bhp
+358 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 580 578bhp?

We expect 670bhp and 3110Nm against 578bhp and 2699Nm as standard: up to +92bhp and +411Nm. 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 580 578bhp?

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: 647bhp and 3077Nm expected. The Eco map is economy first: 640bhp and 3057Nm. Both still sit above the standard 578bhp and 2699Nm.

Do I need to tell my insurer about a remap?

Yes. A remap is a modification, so you should declare it to your insurer.