Mercedes-Benz GLA H247 - 2020 - 2023 45 AMG - 387hp

Real standard and upgraded performance figures for the 45 AMG - 387hp engine in the Mercedes-Benz GLA H247 - 2020 - 2023.

Below: measured output for the 45 AMG - 387hp in the Mercedes-Benz GLA H247 - 2020 - 2023, standard vs. remapped, in both horsepower and torque.

Horsepower (HP)Torque (Nm)
Standard387480
Stage 1470620
Stage 2511690
Make
Mercedes-Benz
Model
GLA
Generation
H247 - 2020 - 2023
Engine
45 AMG - 387hp
Fuel type
Turbo-Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Mercedes-Benz GLA H247 - 2020 - 2023 45 AMG - 387hp?

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 - 387hp make after tuning?

Standard output is 387 HP / 480 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 GLA H247 - 2020 - 2023 45 AMG - 387hp 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 - 387hp 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.