Smart Roadster 0.7T (Brabus) 101 hp — Stage 1 file (+19 hp)

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Chip tuning for Smart Roadster 0.7T (Brabus) 101 hp ECU

Smart Roadster (2003) 0.7T (Brabus) 101 hp — mass-market petrol engine of the passenger segment of the Mercedes-Benz Group AG / Geely (с 2020 — JV) group (Германия, 1926). Stage 1 chip tuning raises power from 101 to 120 hp (+19 hp, +19%) and torque from 130 to 150 Nm (+20 Nm). A petrol engine built in 2003 — the era before widespread firmware encryption, OBD flash without complications.

Smart is a German compact-car brand within the Mercedes-Benz Group, and since 2020 a joint venture with Geely. Smart historically used Mitsubishi and Renault engines. Smart is positioned as an urban premium micro-car brand. Maybach uses Mercedes engines for the ultra-luxury segment, with the emphasis on quietness and smoothness. AMG Performance Studio is the factory tuning studio for bespoke work. On older-generation Mercedes petrol engines, Stage 1 is flashed over OBD without Bench.

Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. The Mercedes community in Europe has a large pool of available Stage files for the standard models. Stage 1 on standard mid-range Mercedes petrol engines delivers a noticeable gain. 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 much horsepower does Stage 1 add for the Smart Roadster 0.7T (Brabus) 101 hp?

Stage 1 chip tuning on the Smart Roadster 0.7T (Brabus) 101 hp boosts engine output by 19 hp: from 101 to 120 hp. Torque rises from 130 to 150 Nm (+20 Nm).

What changes in the Smart Roadster ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the Smart Roadster with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +19 hp with no hardware changes.

What is the risk of Stage 1 on the Smart Roadster 0.7T (Brabus) 101 hp?

A remap of the Smart Roadster 0.7T (Brabus) 101 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 Smart Roadster 0.7T (Brabus) 101 hp?

Stage 2 for the Smart Roadster 0.7T (Brabus) 101 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 Smart Roadster remain valid after Stage 1?

After remapping the Smart Roadster, 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 Smart Roadster?

Reading and writing via OBD takes 25-30 minutes on the Smart Roadster. 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 Smart Roadster?

Before Stage 1 the original of the Smart Roadster 0.7T (Brabus) 101 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Smart Roadster 0.7T (Brabus) 101 hp cost?

The remap price for the Smart Roadster 0.7T (Brabus) 101 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: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno