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Mon- Friday 9:30 AM- 4:30 PM

E85 ECU Tune M157 / M278

63 AMG ECU Tune M157 Stage E85 Flex Fuel  2011+ Mercedes-Benz CL63 AMG, 2012 Mercedes-Benz CLS63 AMG,

2012 Mercedes-Benz E63 AMG, 2011+ Mercedes-Benz S63 AMG, 2013 Mercedes-Benz SL63 AMG SL550 E550 CLS550 S550 CL550


A MyGenius handheld programmer is required for this software.

***Run Ethanol Blend in your M157 / M278 vehicle**

  • Stock HP: 577
  • Stock TQ: 561
  • Tuned HP: 750+
  • Tuned TQ: 800+

E63S with Downpipes and HPFP Dynod over 700WHP and 800WTQ

Bone Stock 157 Car dynod over 630WHP and 730WTQ


Performance Software precisely engineered. We can also customize your software easily for the mods on the car as well as customize the boost levels for those who want a milder less aggressive tunes (stage1).


Simply Flash your ECU tune to your Vehicle using our modular or mail in your ECU


  • Engineered with Strict Industry Standards
  • Extensively Tested Under Various Driving Conditions
  • Factory Safety Limiters Retained
  • Greatest Power and Torque Gains in the Industry, Guaranteed!
  • Optimized Responsiveness and Drivability
  • Optimized Smoothness and Driving Comfort
  • Power Delivery Perfectly Optimized Throughout the Power Band
  • Improved Fuel Efficiency
  • Speed Governor Removed
  • Lower End Hesitation (Lag) Removed
  • 2011+ Mercedes-Benz CL63 AMG CL550
  • 2012 Mercedes-Benz CLS63 AMG CLS550
  • 2012 Mercedes-Benz E63 AMG E550
  • 2011+ Mercedes-Benz S63 AMG S550
  • 2013 Mercedes-Benz SL63 AMG SL550

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