Mercedes Viano 22 CDI 163 hp — Stage 1 file (+37 hp)

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Chip tuning for Mercedes Viano 22 CDI 163 hp ECU

Mercedes Viano (2010 - W639FL) 22 CDI 163 hp — premium diesel engine of the passenger segment of the Mercedes-Benz Group AG (Mercedes-Benz, AMG, Maybach, Smart, EQ) group (Германия, 1926). Stage 1 chip tuning raises power from 163 to 200 hp (+37 hp, +23%) and torque from 360 to 440 Nm (+80 Nm). A diesel built in 2010 — 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.

Stage 1 on Mercedes often requires refreshing the adaptations after the flash. The Mercedes community is active in Europe, with a large pool of available Stage files. Mid-range Mercedes engines are a premium segment with a conservative factory calibration, and Stage 1 preserves engine life. Mercedes prioritises smooth running, and Stage 1 preserves the engine's character. The Mercedes factory calibration allows a confident move to Stage 1 without hardware changes.

Frequently asked questions

How many horsepower does the Mercedes Viano 22 CDI 163 hp reach after a remap?

Stage 1 chip tuning on the Mercedes Viano 22 CDI 163 hp boosts engine output by 37 hp: from 163 to 200 hp. Torque rises from 360 to 440 Nm (+80 Nm).

What changes in the Mercedes Viano ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the Mercedes Viano with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +37 hp with no hardware changes.

What is the risk of Stage 1 on the Mercedes Viano 22 CDI 163 hp?

A remap of the Mercedes Viano 22 CDI 163 hp is safe — the factory calibration in this mid-range class is conservative, leaving genuine headroom for Stage 1 with no hardware changes.

What is Stage 2 for the Mercedes Viano 22 CDI 163 hp?

Stage 2 for the Mercedes Viano 22 CDI 163 hp 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 the factory warranty of the Mercedes Viano remain valid after Stage 1?

After remapping the Mercedes Viano, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.

How long is the wait for a Stage 1 remap for the Mercedes Viano?

Reading and writing via OBD takes 25-30 minutes on the Mercedes Viano. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.

How do you roll back to the factory firmware of the Mercedes Viano?

Before Stage 1 the original of the Mercedes Viano 22 CDI 163 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Mercedes Viano 22 CDI 163 hp cost?

The remap price for the Mercedes Viano 22 CDI 163 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno