Mercedes Actros 320 320hp (235kW) 1650Nm — Stage 1 file (+50 hp)

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Chip tuning for Mercedes Actros 320 320hp (235kW) 1650Nm ECU

Mercedes Actros (I (1995+)) 320 320hp (235kW) 1650Nm — premium diesel engine of the commercial segment of the Mercedes-Benz Group AG (Mercedes-Benz, AMG, Maybach, Smart, EQ) group (Германия, 1926). Stage 1 chip tuning raises power from 320 to 370 hp (+50 hp, +16%) and torque from 1650 to 1900 Nm (+250 Nm). Diesel engines built in 1995 — the era of classic Common Rail without strong encryption.

AMG is the performance division of Mercedes (since 1967), building engines on the 'one man, one engine' principle in Affalterbach. Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. Maybach is Mercedes's ultra-luxury sub-brand. On older Mercedes diesels, Stage 1 is flashed over OBD with no complications. Mercedes diesels are known for smooth, quiet running, a hallmark of the premium segment. Mercedes diesels have long been known for legendary reliability, with German taxi fleets running to million-kilometre mileages.

In the Mercedes commercial segment, Stage 1 focuses on torque. The AMG community is active in Germany, but the protection is the toughest in the industry, so Stage 1 on AMG usually requires Bench. Stage 1 on Mercedes often requires refreshing the adaptations after the flash. The Mercedes premium segment is a high-output platform with Stage 2 potential. High-output Mercedes engines are premium-class with solid headroom for Stage 1. On modern high-output Mercedes, Bench reading is often required because of the encryption.

Frequently asked questions

What is the Stage 1 effect on the Mercedes Actros 320 320hp (235kW) 1650Nm?

Stage 1 for the Mercedes Actros 320 320hp (235kW) 1650Nm adds +50 hp — power increases from 320 to 370 hp (+16%). Torque rises from 1650 to 1900 Nm (+250 Nm).

What does a Stage 1 remap of the Mercedes Actros 320 320hp (235kW) 1650Nm include?

Stage 1 on the Mercedes Actros 320 320hp (235kW) 1650Nm is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +50 hp with no hardware changes.

What does Stage 1 give on the powerful Mercedes Actros 320 320hp (235kW) 1650Nm?

Stage 1 on the powerful Mercedes Actros 320 320hp (235kW) 1650Nm “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).

How does Stage 2 differ from Stage 1 on the Mercedes Actros 320 320hp (235kW) 1650Nm?

Stage 2 for the Mercedes Actros 320 320hp (235kW) 1650Nm is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.

Does Stage 1 void the warranty on the Mercedes Actros?

Stage 1 on the Mercedes Actros voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.

How quickly is chip tuning of the Mercedes Actros 320 320hp (235kW) 1650Nm done?

The full remap cycle for the Mercedes Actros — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.

Can you return to stock after Stage 1 on the Mercedes Actros?

The original Mercedes Actros ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.

How much does Stage 1 cost for the Mercedes Actros 320 320hp (235kW) 1650Nm?

The cost of Stage 1 for the Mercedes Actros 320 320hp (235kW) 1650Nm is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.

Last updated: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno