Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 hp — Stage 1 file (+100 hp)

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Chip tuning for Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 hp ECU

Mercedes AMG GT - 4 door (2018 - X290) 63 AMG (4.0T) 639 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 639 to 739 hp (+100 hp, +16%) and torque from 900 to 1000 Nm (+100 Nm). This engine ships with different ECU variants: Siemens/Continental CPC_NG, Bosch MED17.7.5, Bosch VGS3-NAG3. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 3 configurations · 3 ECU variants. A 2018 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.

Karl Benz is credited as the inventor of the automobile with the 1886 Patent-Motorwagen. The Mercedes three-pointed star symbolises dominance on land, at sea and in the air. 4MATIC all-wheel drive is Mercedes' signature system, fitted to most models. AMG is Mercedes's performance division (since 1967), acquired by Mercedes in 1999. The Mercedes petrol range spans compacts, premium saloons, SUVs, roadsters and AMG flagships. Brabus is an independent Mercedes tuning house specialising in top-model upgrades.

Stage 1 on Mercedes often requires refreshing the adaptations after the flash. On modern Mercedes, the encryption requires specialised Bench tools. AMG engines confidently reach Stage 2 with a downpipe + intake. 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. AMG engines are a well-known base once hardware is added (downpipe + intake + intercooler).

Frequently asked questions

What power gain do you get after chip tuning the Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 hp?

Stage 1 chip tuning on the Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 hp boosts engine output by 100 hp: from 639 to 739 hp. Torque rises from 900 to 1000 Nm (+100 Nm).

What changes in the Mercedes AMG GT - 4 door ECU after Stage 1?

Stage 1 chip tuning of the Mercedes AMG GT - 4 door is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +100 hp with no hardware changes.

What is the Stage 1 potential of the Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 hp?

On the top-spec Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 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 - 4 door?

Stage 2 for the Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 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 - 4 door 63 AMG (4.0T) 639 hp?

The Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 hp was fitted with different ECUs depending on the year and trim: Siemens/Continental CPC_NG, Bosch MED17.7.5, Bosch VGS3-NAG3. The write method (OBD, Bench, Boot) is determined when the unit is read.

What happens to the Mercedes AMG GT - 4 door warranty after chip tuning?

The factory warranty of the Mercedes AMG GT - 4 door 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 - 4 door take?

On the Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 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 - 4 door?

Yes, the original ECU firmware of the Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 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 - 4 door?

Stage 1 for the Mercedes AMG GT - 4 door 63 AMG (4.0T) 639 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