Mercedes-Benz CLA C118 - 2019 -> 45 AMG S 421hp
Real standard and upgraded performance figures for the 45 AMG S 421hp engine in the Mercedes-Benz CLA C118 - 2019 ->.
Below: measured output for the 45 AMG S 421hp in the Mercedes-Benz CLA C118 - 2019 ->, standard vs. remapped, in both horsepower and torque.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 421 | 500 |
| Stage 1 | 470 | 620 |
| Stage 2 | 494 | 680 |
- Make
- Mercedes-Benz
- Model
- CLA
- Generation
- C118 - 2019 ->
- Engine
- 45 AMG S 421hp
- Fuel type
- Turbo-Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Mercedes-Benz CLA C118 - 2019 -> 45 AMG S 421hp?
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 45 AMG S 421hp make after tuning?
Standard output is 421 HP / 500 Nm; Stage 1 on this engine typically reaches 470 HP / 620 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Mercedes-Benz CLA C118 - 2019 -> 45 AMG S 421hp 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 45 AMG S 421hp 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.