Mercedes AMG GT AMG GT (4.0T) 476 hp — Stage 1 file (+104 hp)

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Chip tuning for Mercedes AMG GT AMG GT (4.0T) 476 hp ECU

Mercedes AMG GT (2017 - C190-FL) AMG GT (4.0T) 476 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 476 to 580 hp (+104 hp, +22%) and torque from 630 to 830 Nm (+200 Nm). This engine ships with different ECU variants: Bosch MED17.7.5, Bosch VGS2-FDCT gen1, Bosch VGS2-FDCT gen2. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 3 configurations · 3 ECU variants. A petrol engine built in 2017 — a Tricore platform without strong protection; OBD access works.

AMG is the performance division of Mercedes (since 1967), building engines on the 'one man, one engine' principle in Affalterbach. 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. AMG Performance Studio is the factory tuning studio for bespoke work. Mercedes encryption is among the toughest in the industry, especially on modern models. Top AMG engines offer significant potential with a downpipe + intake.

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. AMG engines confidently reach Stage 2 with a downpipe + intake. Brabus is a premium alternative to AMG for the top models. AMG Performance Studio is Mercedes's in-house tuning studio for bespoke projects. Bench reading is a mandatory procedure for modern AMG models. Top AMG engines sit at the Mercedes power ceiling, and the gain is significant.

Frequently asked questions

What is the Stage 1 effect on the Mercedes AMG GT AMG GT (4.0T) 476 hp?

Stage 1 for the Mercedes AMG GT AMG GT (4.0T) 476 hp adds +104 hp — power increases from 476 to 580 hp (+22%). Torque rises from 630 to 830 Nm (+200 Nm).

What does a Stage 1 remap of the Mercedes AMG GT AMG GT (4.0T) 476 hp include?

Stage 1 chip tuning of the Mercedes AMG GT is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +104 hp with no hardware changes.

What is the Stage 1 potential of the Mercedes AMG GT AMG GT (4.0T) 476 hp?

On the top-spec Mercedes AMG GT AMG GT (4.0T) 476 hp 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 AMG GT?

Stage 2 for the Mercedes AMG GT AMG GT (4.0T) 476 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 ECUs are found on the Mercedes AMG GT AMG GT (4.0T) 476 hp?

The Mercedes AMG GT AMG GT (4.0T) 476 hp was fitted with different ECUs depending on the year and trim: Bosch MED17.7.5, Bosch VGS2-FDCT gen1, Bosch VGS2-FDCT gen2. The write method (OBD, Bench, Boot) is determined when the unit is read.

What happens to the Mercedes AMG GT warranty after chip tuning?

The factory warranty of the Mercedes AMG GT 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 AMG GT take?

On the Mercedes AMG GT AMG GT (4.0T) 476 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 AMG GT?

Yes, the original ECU firmware of the Mercedes AMG GT AMG GT (4.0T) 476 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 AMG GT?

Stage 1 for the Mercedes AMG GT AMG GT (4.0T) 476 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: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno