Mercedes GLA 200 EU6 (1.6T) 156 hp — Stage 1 file (+19 hp)

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Chip tuning for Mercedes GLA 200 EU6 (1.6T) 156 hp ECU

Mercedes GLA (2013 - X156) 200 EU6 (1.6T) 156 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 156 to 175 hp (+19 hp, +12%) and torque from 250 to 310 Nm (+60 Nm). ECU — Bosch MED17.7.2. Flashing method: OBD or Bench depending on the unit's protection. In the CHIPOK database: 2 configurations. A petrol engine built in 2013 — a Tricore platform without strong protection; OBD access works.

4MATIC all-wheel drive is Mercedes' signature system, fitted to most models. The Mercedes-Benz Group AG (Daimler AG until 2022) comprises Mercedes-Benz, AMG, Maybach, Smart and the EQ line. AMG is the performance division of Mercedes (since 1967), building engines on the 'one man, one engine' principle in Affalterbach. Mid-generation petrol models use standard OBD flash. The Mercedes petrol range spans compacts, premium saloons, SUVs, roadsters and AMG flagships. Mercedes encryption is among the toughest in the industry, especially on modern models.

Stage 1 on Mercedes often requires refreshing the adaptations after the flash. On Mercedes up to the recent generation, Stage 1 OBD flash is available. 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 Mercedes GLA 200 EU6 (1.6T) 156 hp?

Stage 1 chip tuning on the Mercedes GLA 200 EU6 (1.6T) 156 hp boosts engine output by 19 hp: from 156 to 175 hp. Torque rises from 250 to 310 Nm (+60 Nm).

What changes in the Mercedes GLA ECU after Stage 1?

Stage 1 chip tuning of the Mercedes GLA is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +19 hp with no hardware changes.

Can you do Stage 1 on the Mercedes GLA 200 EU6 (1.6T) 156 hp?

Yes, Stage 1 for the Mercedes GLA 200 EU6 (1.6T) 156 hp stays within the factory limits for boost pressure, knock and temperature. On a healthy engine with a serviced turbo and injectors there is no risk.

How much does Stage 2 add on the Mercedes GLA?

Stage 2 for the Mercedes GLA 200 EU6 (1.6T) 156 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.

Which ECU is fitted to the Mercedes GLA 200 EU6 (1.6T) 156 hp?

The Mercedes GLA 200 EU6 (1.6T) 156 hp ECU is the Bosch MED17.7.2. Production versions support OBD access; locked variants require Bench (BDM/JTAG).

What happens to the Mercedes GLA warranty after chip tuning?

The factory warranty of the Mercedes GLA 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 GLA take?

On the Mercedes GLA 200 EU6 (1.6T) 156 hp: 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 GLA?

Yes, the original ECU firmware of the Mercedes GLA 200 EU6 (1.6T) 156 hp 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 GLA?

Stage 1 for the Mercedes GLA 200 EU6 (1.6T) 156 hp 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