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Performance Parts for Euro, JDM & American Autos.

Product Image WEISTEC M113K ECU Upgrade (Stock Mercedes Kompressor)

WEISTEC M113K ECU Upgrade (Stock Mercedes Kompressor)


As a leader in tuning and calibration, Weistec Engineering is proud to offer tuning packages for M113K, stock Mercedes Kompressor powered vehicles.

We offer calibrations to match the modifications to your vehicle, from otherwise stock, to heavily modified.

Power gains range from 20 to 70 HP depending on level of modification.

Key Features:

  • +20-70whp
  • +70-120wtq
  • Eliminate Top Speed Limiter
  • Increased Throttle Response
  • Optimized Fuel and Spark

ECU Tuning Process:


  • Send your ECU to Weistec.
  • or
  • Upgrade to the Flash Cable and allow Weistec to remote tune your car anywhere!

  • Supported Platforms
    • 2002-2004 CL55 AMG
    • 2002-2006 S55 AMG
    • 2002-2008 SL55 AMG
    • 2003-2006 E55 AMG (Sedan and Wagon)
    • 2004-2009 G55 AMG
    • 2006 CLS55 AMG