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Performance Parts for Euro, JDM & American Autos.

Product Image WEISTEC 722.6 TCU Upgrade

WEISTEC 722.6 TCU Upgrade


The 5 speed 722.6 Transmission stands to deliver significant gains with the Weistec 722.6 TCU Upgrade. Improved shift points, faster shifting and torque management will not only increase your vehicles performance, but it will also help prevent slipping in the transmission which causes excessive wear and tear.

Key Features:

  • Optimized Shift Points
  • Increased Shift Speeds
  • Improved Torque Management
  • Prevents Transmission Slip

TCU Tuning Process: How do I get my TCU tuned? TCU needs to be removed and sent in to WEISTEC

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