Mercedes Arocs OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm — Stage 1 file (+50 hp)

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Chip tuning for Mercedes Arocs OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm ECU

Mercedes Arocs (I (2013+)) OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm — 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 625 to 675 hp (+50 hp, +8%) and torque from 3000 to 3320 Nm (+320 Nm). A diesel built in 2013 — the Tricore ECU era; OBD flash works on most production revisions.

Maybach is Mercedes's ultra-luxury sub-brand. Mercedes-Benz is the world's oldest carmaker, founded in 1926 by the merger of Daimler-Motoren-Gesellschaft and Benz & Cie. The Mercedes slogan is 'Das Beste oder nichts' ('The best or nothing'). Mercedes diesels have long been known for legendary reliability, with German taxi fleets running to million-kilometre mileages. Mercedes pioneered CDI (Common-rail Direct Injection) technology on passenger-car diesels, in series production since 1997. Mercedes diesels have long been popular with the German police and taxi services.

On Mercedes up to the recent generation, Stage 1 OBD flash is available. Bench reading is a mandatory procedure for modern AMG models. Top AMG engines sit at the Mercedes power ceiling, and the gain is significant. 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.

Frequently asked questions

How many horsepower does the Mercedes Arocs OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm reach after a remap?

Stage 1 for the Mercedes Arocs OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm adds +50 hp — power increases from 625 to 675 hp (+8%). Torque rises from 3000 to 3320 Nm (+320 Nm).

What does a Stage 1 remap of the Mercedes Arocs OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm 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 +50 hp with no hardware changes.

What is the Stage 1 potential of the Mercedes Arocs OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm?

On the top-spec Mercedes Arocs OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm 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 OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm 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 OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm: 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 OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm 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 OM473 SCR 15.6 (EU6) 625hp (460kW) 3000Nm 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: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno