Mercedes-Benz CLS C257 - 2018 - 2020 450 (3.0T) 389hp
Real standard and upgraded performance figures for the 450 (3.0T) 389hp engine in the Mercedes-Benz CLS C257 - 2018 - 2020.
These are real standard and Stage 1 (and where available, Stage 2) figures for the Mercedes-Benz CLS C257 - 2018 - 2020 450 (3.0T) 389hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 389 | 500 |
| Stage 1 | 420 | 600 |
| Stage 2 | 435 | 650 |
- Make
- Mercedes-Benz
- Model
- CLS
- Generation
- C257 - 2018 - 2020
- Engine
- 450 (3.0T) 389hp
- Fuel type
- Turbo-Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Mercedes-Benz CLS C257 - 2018 - 2020 450 (3.0T) 389hp?
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 450 (3.0T) 389hp make after tuning?
Standard output is 389 HP / 500 Nm; Stage 1 on this engine typically reaches 420 HP / 600 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Mercedes-Benz CLS C257 - 2018 - 2020 450 (3.0T) 389hp 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 450 (3.0T) 389hp 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.