Mercedes-Benz C300 W204 ECU Software Upgrade



Vehicle Application: Mercedes-Benz C300 (W204)

Horsepower Gains: +30-40hp

Torque Gains: +30-40tq

Note: This purchase this will require the ECU to be shipped to AMR Performance HQ or in an house flash appointment be scheduled.


***Due to the nature of this product, all sales are final. There are NO REFUNDS***

SKU: AMR-MBC30008-SHIPIN Category: Tags: , , ,


Vehicle Application: Mercedes-Benz C300 (W204)

Horsepower Gains: +30-40hp

Torque Gains: +30-40tq

Octane(s) Available:

  • 91 Octane
  • 93 Octane
  • 95 Ron (euro)
  • 98 Ron (euro)

AMR Performance Enhancement Features:

  • Optimized Fuel Mapping
  • Optimized Timing Curve
  • Speed Limiter Removed
  • Improved Fuel Efficiency
  • Broader & Stronger Power Band
  • Lower RPM Hesitation Eliminated
  • In-House Engineered & Tested Results
  • Smoother Firmer Transmission Shift Patterns


After hours of data acquisition and numerous runs on the dynamometer, AMR Performance has engineered and developed ECU Software upgrade(s) for the Mercedes-Benz C300. Not only does this upgrade give the vehicle an increase in horsepower, torque, but also optimizes the fuel curve and increases throttle response! This well engineered recipe turns this normally commuter vehicle into a torque filled throttle happy warrior!

Additional information

Weight15 lbs
Dimensions12 × 12 × 4 in