Mercedes A 260 211 hp — Stage 1 file (+39 hp)

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Chip tuning for Mercedes A 260 211 hp ECU

Mercedes A (2015 - W176) 260 211 hp — premium petrol 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 211 to 250 hp (+39 hp, +18%) and torque from 350 to 400 Nm (+50 Nm). This engine ships with different ECU variants: Bosch MED17.7.2, Siemens/Continental VGSx-NAG2. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. The 2015 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.

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. Mercedes-Benz is the world's oldest carmaker, founded in 1926 by the merger of Daimler-Motoren-Gesellschaft and Benz & Cie. High-output Mercedes turbo petrol engines are the flagship models, and Stage 1 delivers a solid gain. Mid-generation petrol models use standard OBD flash. The Mercedes petrol range spans compacts, premium saloons, SUVs, roadsters and AMG flagships.

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. Mercedes is one of the most protected brands in the chip tuning industry in terms of encryption. 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. The Mercedes premium segment is a high-output platform with Stage 2 potential.

Frequently asked questions

What power gain do you get after chip tuning the Mercedes A 260 211 hp?

After Stage 1 the power of the Mercedes A 260 211 hp rises from 211 to 250 hp, a gain of 39 hp (+18%). Torque rises from 350 to 400 Nm (+50 Nm).

How does Stage 1 differ from stock on the Mercedes A?

Stage 1 is a software optimization of the factory ECU firmware of the Mercedes A with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +39 hp with no hardware changes.

Do you need hardware changes for Stage 1 on the Mercedes A?

The high-output Mercedes A 260 211 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.

What is Stage 2 for the Mercedes A 260 211 hp?

Stage 2 on the Mercedes A 260 211 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which control units is the Mercedes A 260 211 hp built with?

The Mercedes A 260 211 hp comes with 2 ECU variants: Bosch MED17.7.2, Siemens/Continental VGSx-NAG2. Calibration is done for the specific unit after the revision is identified.

Does the factory warranty of the Mercedes A remain valid after Stage 1?

After remapping the Mercedes A, 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 A?

Reading and writing via OBD takes 25-30 minutes on the Mercedes A. 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 A?

Before Stage 1 the original of the Mercedes A 260 211 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Mercedes A 260 211 hp cost?

The remap price for the Mercedes A 260 211 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