The Mercedes-Benz GLA 45 AMG S – 421hp (H247 – 2020 – 2023) produces 421 hp and 500 Nm in standard form. With Stage 1 software that rises to about 470 hp and 620 Nm: a gain of 49 hp (+12%) and 120 Nm (+24%).

This is a petrol engine with a displacement of 1,991 cc and engine code M139. The engine is controlled by the Bosch MG1CP002. The software file can be written with tools such as Autotuner, MagicMotorsport Flex and bFlash.

Besides Stage 1, the following options are available for this vehicle: DECAT, DTC Removal, START/STOP OFF, Pop & Bang Crackle map and Vmax.

Frequently asked questions

How much power and torque does a Mercedes-Benz GLA 45 AMG S – 421hp gain with Stage 1?

About 49 hp and 120 Nm: from 421 hp / 500 Nm to roughly 470 hp / 620 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Mercedes-Benz GLA 45 AMG S – 421hp use?

Bosch MG1CP002.

Which tools can read a Mercedes-Benz GLA 45 AMG S – 421hp?

Autotuner, MagicMotorsport Flex and bFlash.

Which extra options are available for a Mercedes-Benz GLA 45 AMG S – 421hp?

DECAT, DTC Removal, START/STOP OFF, Pop & Bang Crackle map and Vmax.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.