Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm — Stage 1 file (+56 hp)

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Chip tuning for Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm ECU

Mercedes Arocs (I (2013+)) OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm — 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 449 to 505 hp (+56 hp, +12%) and torque from 2200 to 2540 Nm (+340 Nm). A diesel built in 2013 — the Tricore ECU era; OBD flash works on most production revisions.

The Mercedes slogan is 'Das Beste oder nichts' ('The best or nothing'). Smart is Mercedes's city sub-brand, historically running Mitsubishi and Renault engines. Karl Benz is credited as the inventor of the automobile with the 1886 Patent-Motorwagen. Mercedes diesels have long been popular with the German police and taxi services. Mercedes diesel engines are fitted to passenger cars and commercial vehicles. BlueTEC is Mercedes's proprietary exhaust after-treatment system with an SCR catalyst and AdBlue.

In the Mercedes commercial segment, Stage 1 focuses on torque. AMG engines are a well-known base once hardware is added (downpipe + intake + intercooler). Brabus is a premium alternative to AMG for the top models. AMG Performance Studio is Mercedes's in-house tuning studio for bespoke projects. Bench reading is a mandatory procedure for modern AMG models.

Frequently asked questions

How much does the power of the Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm increase after Stage 1?

Stage 1 for the Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm adds +56 hp — power increases from 449 to 505 hp (+12%). Torque rises from 2200 to 2540 Nm (+340 Nm).

What does a Stage 1 remap of the Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm include?

Stage 1 chip tuning of the Mercedes Arocs is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +56 hp with no hardware changes.

What is the Stage 1 potential of the Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm?

On the top-spec Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.

How much does Stage 2 add on the Mercedes Arocs?

Stage 2 for the Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm 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.

What happens to the Mercedes Arocs warranty after chip tuning?

The factory warranty of the Mercedes Arocs does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.

How long does remapping the Mercedes Arocs take?

On the Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.

Is the original file kept when chip tuning the Mercedes Arocs?

Yes, the original ECU firmware of the Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.

What is the price of a Stage 1 remap for the Mercedes Arocs?

Stage 1 for the Mercedes Arocs OM471 SCR 12.8 (EU6) 449hp (330kW) 2200Nm is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.

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