CLA45 GLA45 ECU Tune – M133 Custom Stage 2 Performance Tune

If you own a CLA45 or GLA45 with the M133 2.0L turbo, you already know the factory tune leaves a lot on the table. This custom ECU calibration was developed specifically for the M133 platform and consistently delivers real, repeatable power gains while keeping the car reliable and daily-drivable.

• ✅ Typical gains of +55 whp and +84 wtq on Stage 2 setups
• ✅ Sharper throttle response and stronger mid-range pull
• ✅ Smoother, more consistent power delivery under load
• ✅ All OEM safety systems fully retained

🔊 Dyno Proven Results

Real World Dyno Pull – Stage 2 M133 Tune

CLA45 with BenzUnited Parts catless downpipes + custom tune

Vehicle Compatibility

Off road use only. Not legal for use on emissions-controlled vehicles or public roads.

BenzUnited Parts • Real World Dyno Proven