Expected gains of +67 BHP and +100 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Mercedes-Benz GLS 400 (3.0T) 333hp? A Stage 1 remap can take this 2015 - 2018 petrol engine from 333 BHP to 400 BHP and from 480 Nm to 580 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Mercedes-Benz GLS can achieve.
The Mercedes-Benz GLS 400 (3.0T) 333hp is a 3.0L turbocharged petrol engine producing 333 BHP and 480 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 400 BHP and 580 Nm — a gain of around 67 BHP (20%) and 100 Nm (21%).
This engine scores highly for remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as high, 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 |
|---|---|---|---|---|---|
| 350d 258hp | 258 → 290 | +32 | 620 → 690 | +70 | Good (6.5/10) |
| 500 (4.7 V8 TT) 455hp | 455 → 500 | +45 | 700 → 850 | +150 | Moderate (5/10) |
| 63 AMG 585hp | 585 → 635 | +50 | 760 → 935 | +175 | Moderate (5/10) |
Get a personalised remap quote for your Mercedes-Benz GLS. 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.