Performance Calibration: 2021+ Mercedes-Benz AMG GLA 45
Engine: M139 2.0L Inline-4 Twin-Scroll Turbocharged
The M139 is the world’s most powerful production four-cylinder. Our bespoke ECU calibrations unlock its true potential by optimizing torque limits, boost pressure, and ignition timing while maintaining factory-level reliability.
Baseline Figures (Stock)
Power: 387 HP
Torque: 480 Nm
Calibration Packages
| Tier | Output | Torque | Requirements |
| Stage 1: | 470 HP | / 620 Nm | :Stock Hardware |
| Stage 2: | 490 HP | / 650 Nm | :High-Flow / Catless Downpipe |
The Engineering Advantage
Our software optimization goes beyond simple "boost increases." We meticulously recalibrate the engine management system to ensure a seamless power delivery that feels like it came from the factory, only more aggressive.
Precision Mapping: Advanced adjustment of fuel, timing, and wastegate duty cycles.
Safety First: All factory fail-safes, knock detection, and limp-mode protections remains fully intact.
Enhanced Driveability: Improved throttle response and smoother power bands for both daily driving and track use.
Transmission Optimization: Torque limiters are raised to harmonize with the 8-speed dual-clutch transmission.
Note: Final power gains may vary based on fuel grade, ambient conditions, and overall vehicle health.
2021+ Mercedes AMG GLA45 M139 Performance Calibration
Tune your car at home with a flasher:
- Alientech Powergate3+ [+$385]
(Handheld Flasher)
- Send in your ECU to get tuned and then shipped back




