2014–2020 Mercedes-Benz A45 / CLA45 / GLA45 AMG Custom HP Tuners Tuning (2.0L Turbo M133)

Our HP Tuners custom calibrations for the 2014–2020 Mercedes-Benz AMG compact performance lineup are built to unlock the full potential of the 2.0L Turbo M133 engine. Whether you drive an A45, CLA45, or GLA45 AMG, our in-house tuning delivers sharper throttle response, more horsepower and torque, and refined drivability while maintaining AMG reliability.

Key Features

• Engine Coverage – 2.0L Turbocharged I4 (M133)

  • Mercedes-Benz A45 AMG (2014–2018, select markets)

  • Mercedes-Benz CLA45 AMG (2014–2020)

  • Mercedes-Benz GLA45 AMG (2015–2020)

• Transmission Support – Calibration for AMG 7-speed dual-clutch transmission (DCT), refining shift scheduling, launch control, and torque management

• Custom Calibration – Optimized for intakes, intercoolers, downpipes, exhausts, turbo upgrades, fueling enhancements, and flex-fuel/E85 conversions

• Safe Performance – Calibrations engineered with knock-safe ignition, optimized fueling, and smooth drivability for daily or performance use

• Remote Tuning – Supported via HP Tuners MPVI2 and MPVI3 with file exchange and flashing capability

Benefits

• Sharper throttle response with reduced turbo lag

• Horsepower and torque gains across the powerband

• Stronger mid-range and top-end acceleration

• Refined transmission behavior for street and track use

• Reliable calibration for both stock and heavily modified AMG builds

Compatibility

Custom tuning is available for:

• 2014–2018 Mercedes-Benz A45 AMG (2.0L Turbo M133)

• 2014–2020 Mercedes-Benz CLA45 AMG (2.0L Turbo M133)

• 2015–2020 Mercedes-Benz GLA45 AMG (2.0L Turbo M133)

Process

1. Purchase your AMG custom tuning package.

2. Use HP Tuners to read your factory ECU calibration.

3. Provide your stock file and list of modifications.

4. Receive a custom calibration tailored to your setup.

5. Flash your tune and enjoy immediate performance improvements.

Professional Assurance

All AMG calibrations are developed in-house with a focus on performance, drivability, and reliability. From daily-driven CLA45 sedans to track-prepped A45 hatchbacks with upgraded turbos, our HP Tuners custom tuning delivers consistent, proven results for the M133 platform.

Meta Description (SEO)

Custom HP Tuners tuning for 2014–2020 Mercedes-Benz A45, CLA45, and GLA45 AMG with 2.0L Turbo M133. Improve horsepower, torque, throttle response, and drivability.