
Introduction
Katana Chip’s Stage 1.5 ECU tuning for the Mercedes-AMG A35 4MATIC (W177) is designed for drivers seeking a significant performance boost without compromising daily drivability. This tune optimizes power delivery, throttle response, and fuel efficiency while maintaining engine reliability.
Compatible Vehicle
- Model: Mercedes-AMG A35 4MATIC (W177)
- ECU Type: Bosch MED17.7.7
Performance Gains

This upgrade provides a substantial increase of approximately +24 hp and +90 Nm, significantly enhancing acceleration and mid-range power.
Key Features of Stage 1.5 Tuning
- Optimized Boost Pressure
- Adjusted turbocharger parameters for increased efficiency and power output.
- Fuel & Ignition Timing Adjustments
- Refined fueling and ignition maps to balance performance with reliability.
- Enhanced Throttle Response
- Improved pedal feedback for a sharper and more engaging driving experience.
- Torque Management Refinement
- Adjusted torque limiter settings for smoother and stronger power delivery.
- Gearbox Adaptation (Optional Add-on)
- Optional transmission tuning to optimize shift points and reduce shift lag.
Recommended Supporting Modifications
While Stage 1.5 tuning does not require hardware modifications, the following upgrades can further enhance performance:
- High-flow Air Intake System – Improves airflow and engine efficiency.
- Sports Downpipe (200-cell or Catless) – Reduces backpressure and increases turbo spool.
- Upgraded Intercooler – Maintains lower intake temperatures for sustained performance.
- High-Performance Spark Plugs – Ensures reliable ignition under increased boost levels.
Installation & Compatibility
- ECU Flash Method: Bench Tuning (depending on ECU security)
- Compatible Fuel Type: 98RON / 100RON (Premium High-Octane Fuel recommended)
- Warranty: No warranty (modifying the ECU voids factory warranty)

Why Choose Katana Chip?
Katana Chip offers highly optimized tuning solutions tailored for both performance enthusiasts and daily drivers. Our Stage 1.5 tune ensures a balanced mix of power, efficiency, and reliability without requiring extensive hardware modifications.
For more details or to request a custom tune, contact us today!