Performance Calibration: Mercedes-Benz GLA250 (X156)

Engine: M270 2.0L Inline-4 Turbo | Model Years: 2014–2019

The GLA250 shares much of its DNA with the high-performance AMG 45, but is significantly restricted by factory software to prioritize fuel economy over raw power. Our calibrations bridge that gap, unlocking the punchy torque and sharp acceleration that this 2.0L turbocharged engine is truly capable of.

🏁 Stock Baseline

Standard Output: 208 HP / 258 LB-FT (350 Nm)
Engine Type: M270 DE20 LA (Turbocharged I4)

🚀 Performance Calibration Options

Feature	Performance Level 1	Performance Level 2
Power Output	255 HP	280 HP
Peak Torque	317 LB-FT (430 Nm)	325 LB-FT (440 Nm)
Requirements	Stock Hardware	Catless Downpipe Required
Installation	Fully OBD Process	Fully OBD Process
V-Max Limiter	Removed	Removed

🛠️ Calibration Improvements

Enhanced Throttle Response: We recalibrate the drive-by-wire system to eliminate the factory "dead space" at the top of the pedal, providing a much more athletic feel.
Boost Optimization: Precisely increased boost pressure targets throughout the RPM range for a flat, consistent torque curve.
Fuel & Ignition Mapping: Optimized for 91/93 octane to improve combustion efficiency and overall engine smoothness.
Transmission Integration: Improved torque reporting to the 7-speed dual-clutch (DCT) results in faster, more decisive gear changes under load.

📱 Powergate 4 Compatibility

Tuning your GLA250 is now easier than ever with the Powergate 4 Handheld Flasher.

Personal & Portable: Read and write your ECU maps anywhere using just your smartphone and the Powergate app.
Multiple Files: Store your Original Stock file and your Performance files on the cloud for instant access.
Service Friendly: Flash back to stock in minutes before visiting the dealership for routine maintenance.

🔧 Maintenance Recommendations

Fuel Quality: 91 Octane is the minimum; 93 Octane is highly recommended for Level 2 performance.
Air Filtration: For Level 2 gains, we recommend a high-flow drop-in air filter to allow the turbo to reach its target boost more efficiently.
Spark Plugs: Ensure your spark plugs are in good condition. For high-mileage vehicles, we recommend fresh OEM or one-step colder plugs before tuning.

This Calibration File Fits: