Expected gains of +49 BHP and +120 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Mercedes-Benz GLA 45 AMG S - 421hp? A Stage 1 remap can take this H247 - 2020 - 2023 petrol engine from 421 BHP to 470 BHP and from 500 Nm to 620 Nm of torque (naturally aspirated). This engine scores 5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz GLA can achieve.
The Mercedes-Benz GLA 45 AMG S - 421hp is a 2.0L naturally aspirated petrol engine producing 421 BHP and 500 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 470 BHP and 620 Nm — a gain of around 49 BHP (12%) and 120 Nm (24%).
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 |
|---|---|---|---|---|---|
| 180d 116hp | 116 → 200 | +84 | 260 → 440 | +180 | Excellent (8/10) |
| 180 (1.3T) 136hp | 136 → 165 | +29 | 200 → 300 | +100 | Excellent (8/10) |
| 200d (2.0D) 150hp | 150 → 200 | +50 | 320 → 440 | +120 | Excellent (8/10) |
| 200 (1.3T) 163hp | 163 → 175 | +12 | 250 → 300 | +50 | Good (6.5/10) |
| 220d (2.0d) 190hp | 190 → 220 | +30 | 400 → 480 | +80 | Good (7/10) |
| 250 (2.0T) 224hp | 224 → 250 | +26 | 350 → 400 | +50 | Good (6.5/10) |
| 35 AMG 306hp | 306 → 345 | +39 | 400 → 480 | +80 | Moderate (5/10) |
| 45 AMG - 387hp | 387 → 470 | +83 | 480 → 620 | +140 | Moderate (5.5/10) |
Get a personalised remap quote for your Mercedes-Benz GLA. 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.