Expected gains of +62 BHP and +140 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Mercedes-Benz GL GL 63 AMG - 558hp? A Stage 1 remap can take this X166 - 2012 -> petrol engine from 558 BHP to 620 BHP and from 760 Nm to 900 Nm of torque (naturally aspirated). This engine scores 4.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz GL can achieve.
The Mercedes-Benz GL GL 63 AMG - 558hp is a 5.5L naturally aspirated petrol engine producing 558 BHP and 760 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 620 BHP and 900 Nm — a gain of around 62 BHP (11%) and 140 Nm (18%).
This engine has limited 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 moderate, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. 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 |
|---|---|---|---|---|---|
| 350 Bluetec 258hp | 258 → 290 | +32 | 620 → 690 |
| +70 |
| Good (6.5/10) |
| 400 - 333hp | 333 → 400 | +67 | 480 → 580 | +100 | Moderate (5.5/10) |
| 450 367hp | 367 → 510 | +143 | 500 → 820 | +320 | Good (6.5/10) |
| 500 - 435hp | 435 → 510 | +75 | 700 → 820 | +120 | Moderate (5/10) |
Get a personalised remap quote for your Mercedes-Benz GL. 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.