Mercedes-Benz GLS 2015 - 2018 350d 258hp
Real standard and upgraded performance figures for the 350d 258hp engine in the Mercedes-Benz GLS 2015 - 2018.
Below: measured output for the 350d 258hp in the Mercedes-Benz GLS 2015 - 2018, standard vs. remapped, in both horsepower and torque.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 258 | 620 |
| Stage 1 | 290 | 690 |
| Stage 2 | 306 | 725 |
- Make
- Mercedes-Benz
- Model
- GLS
- Generation
- 2015 - 2018
- Engine
- 350d 258hp
- Fuel type
- Turbo-Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Mercedes-Benz GLS 2015 - 2018 350d 258hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the 350d 258hp make after tuning?
Standard output is 258 HP / 620 Nm; Stage 1 on this engine typically reaches 290 HP / 690 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Mercedes-Benz GLS 2015 - 2018 350d 258hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the 350d 258hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.