CLK55 AMG ECU Tuning

The naturally aspirated W209 CLK55 AMG is a legendary powerhouse, but its factory engine management leaves untapped performance on the table. The MBH Motorsports Performance ECU Tune is a comprehensive software recalibration engineered to extract maximum efficiency and output from your M113 5.4L V8. By meticulously optimizing fuel mapping, ignition timing, and throttle dynamics, this tune delivers a highly responsive, aggressive driving experience while maintaining flawless refinement for your luxury coupe or cabriolet.

As a standalone upgrade, the MBH ECU tune adds an impressive +18 horsepower and +12 ft-lbs of torque. However, when paired with MBH Motorsports Long Tube Headers, this calibration unlocks massive synergy, allowing your CLK55 AMG to breathe to its absolute limits and yield staggering gains of 50 to 60 wheel horsepower over stock.

Please note: Exact performance results may vary based on environmental factors, ambient temperature, dyno type, fuel quality, and overall engine age.

Refined Power & Engine Reliability

Our calibrations are not generic, off-the-shelf flashes. Every tune is designed to smooth out power delivery and eliminate factory electronic throttle lag for immediate acceleration off the line. While aggressively increasing output, all critical OEM engine protection routines, thermal thresholds, and knock sensors remain fully active for total operational safety and peace of mind.

Key Features:

• Standalone Output Gains: Delivers reliable increases of +18 HP and +12 TQ on a completely stock vehicle.

• Maximum Header Synergy: Custom-tailored to maximize exhaust scavenging and airflow velocity when paired with MBH Motorsports long tube headers, unlocking 50-60 WHP over stock.

• Instant Throttle Response: Eliminates factory pedal dead zones for immediate, crisp acceleration.

• Factory Safety Buffers Preserved: Retains all OEM ECU failsafes, thermal limiters, and knock monitoring parameters for complete powertrain reliability.

• Top Speed Limiter Removal: Deactivates factory speed governors for unrestricted top-end capability on closed courses.

Compatibility:

• Engine: Mercedes-Benz M113 5.4L V8

• Chassis: Mercedes-Benz CLK55 AMG (W209)

Disclaimer: For off-road racing and competition use only. This product is not intended or legal for installation on registered, licensed vehicles operated on public roads or highways.