Expected gains of +40 BHP and +100 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Mercedes-Benz AMG GT 4-door Coupe 63 AMG S 4.0 V8 Bi-Turbo 640hp? A Stage 1 remap can take this 2018 -> petrol engine from 640 BHP to 680 BHP and from 900 Nm to 1000 Nm of torque (turbocharged). This engine scores 5.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz AMG GT 4-door Coupe can achieve.
The Mercedes-Benz AMG GT 4-door Coupe 63 AMG S 4.0 V8 Bi-Turbo 640hp is a 4.0L turbocharged petrol engine producing 640 BHP and 900 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 680 BHP and 1000 Nm — a gain of around 40 BHP (6%) and 100 Nm (11%).
This engine has moderate remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Turbo petrol: fuel quality and cooling can influence repeatable performance.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 43 AMG 3.0 367hp | 367 → 420 | +53 | 500 → 620 | +120 | Moderate (5/10) |
| 53 AMG 3.0 435hp | 435 → 480 | +45 | 520 → 680 | +160 | Moderate (5.5/10) |
| 63 AMG 4.0 V8 Bi-Turbo 585hp | 585 → 650 | +65 | 800 → 850 | +50 | Moderate (5.5/10) |
Get a personalised remap quote for your Mercedes-Benz AMG GT 4-door Coupe. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.