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  • Home
  • Mercedes Mk-Ultra TCU Tunes
    • W220 S55
    • W211 E55
    • R230 SL55
    • C215 Cl55
    • Other Mercedes Models
    • C219 CLS55
    • C215 CL65 V12
    • V220 S65 V12 – R230 SL65
    • W203/C209 C55 CLK55
    • Gear Ratio Service
    • TCU Upgrade
    • EGS52 File Service
  • Mercedes ECU Tuning Pack
    • M113k ECU Tuning Pack + Winols 4.5 + Checksums + Damos
  • 722.6 Parts
    • High Performance Modified Valve Body
    • 722.6 Stock AMG 240-0106 Valve Body Remanufactured
    • Blue-Top Solenoids
  • Stock Mercedes TCU-ECU
    • Stock Mercedes Transmission Control Modules EGS52
    • Stock M113k ECU Me 2.8.1
  • 722.6 Technical Information
  • Ecu-Tcu Cloning
  • Help & FAQs

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722.6 wear

Transmission shifts soft even after installing a tune?

Posted by author-avatar Tj
May 12, 2025
0
A transmission that shifts softly even after installing a transmission tune, can indicate several issues. The soft shifts especially un...
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Sothern Hotrod

Sothern Hotrod Transmission TCU versions are important!

Posted by author-avatar Tj
October 19, 2024
0
You must put it down in your order if you have Sothern hotrods transmission with their 200% valve body!  It takes a different tune!  TC...
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31 Aug
Adaption Process

722.6 Adaption Procedure. Important for best shift quality.

Posted by author-avatar Tj
October 6, 2024
0
Tuned TCU that I ship have adaption tables cleared to Zero. Shifts will be Very Firm and torque reduction during shifts will be noticea...
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18 Aug
SLR Black Edition TCU Version

New TCU Version SLR Black Series For S55-SL55-CL55-E55-CLS55.

Posted by author-avatar Tj
November 17, 2023
2
After 6 months of development, testing, modeling and data logging our new release is a game changer, bringing major changes to drivabil...
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Identify Solenoids

How to identify if you have bluetop solenoids or brown tops in 722.6 5G transmission for M113k Cars and V12 Varients

Posted by author-avatar Tj
October 11, 2026
0
This way with VIN number is 75% correct. Why it's not 100% correct is if someone swapped in a used transmission and tcu from Junkyard n...
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Vin Coding

Is EGS52 Mercedes transmission control modules vin coded?

Posted by author-avatar Tj
June 21, 2023
0
The answer is NO! Mercedes never vin coded any EGS51/EGS52/EGS53 TCU to any of there cars even though there is a option on many scan to...
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26 Mar
Uncategorized

722.6 W5A580 Torque Rating Explanation

Posted by author-avatar Tj
October 11, 2026
0
A lot of misinformation out there about transmission torque ratings. A common response is there is no way an AMG E55-CLS55-S55-Sl55-CL5...
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13 Mar
Torque Reduction and Transmission Bullet Proofing

Upgrading Torque Capacity. Weak K2 Clutch Pack.

Posted by author-avatar Tj
September 28, 2023
0
EGS52 system uses ignition timing control to reduce torque during shifts since this is a clutch-to-clutch transmission to make shifts f...
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04 Feb
Uncategorized

Information regarding browntop/bluetop solenoids and TCU control tables.

Posted by author-avatar Tj
October 11, 2026
0
Been many issues with transmission swaps and shift issues that come down to pressure control solenoid types and TCU calibration tables ...
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01 Jan
TCC Jerk-Shudder-Vibration

722.6 TCC (Torque Converter Clutch) Jerk-Shudder-Vibration fix.

Posted by author-avatar Tj
January 8, 2023
0
If adaptions reset and relearning does not fix tcc jerk on slow acceleration, you need to replace the worn-out TCC PWM solenoid.Anoth...
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Blog Categories
  • 722.6 Common Issue
  • 722.6 TCU Tune Info
  • 722.6 Transmission Specs
  • 722.6 wear
  • Adaptations
  • Adaption Process
  • Development Mods
  • Identify Solenoids
  • Preventing Transmission Failure
  • Reset Adaptives
  • Sequential R TCU Instructions
  • SLR Black Edition TCU Version
  • Sothern Hotrod
  • TCC Jerk-Shudder-Vibration
  • Torque Reduction and Transmission Bullet Proofing
  • Uncategorized
  • Vin Coding
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  • Home
  • Mercedes Mk-Ultra TCU Tunes
    • W220 S55
    • W211 E55
    • R230 SL55
    • C215 Cl55
    • Other Mercedes Models
    • C219 CLS55
    • C215 CL65 V12
    • V220 S65 V12 – R230 SL65
    • W203/C209 C55 CLK55
    • Gear Ratio Service
    • TCU Upgrade
    • EGS52 File Service
  • Mercedes ECU Tuning Pack
    • M113k ECU Tuning Pack + Winols 4.5 + Checksums + Damos
  • 722.6 Parts
    • High Performance Modified Valve Body
    • 722.6 Stock AMG 240-0106 Valve Body Remanufactured
    • Blue-Top Solenoids
  • Stock Mercedes TCU-ECU
    • Stock Mercedes Transmission Control Modules EGS52
    • Stock M113k ECU Me 2.8.1
  • 722.6 Technical Information
  • Ecu-Tcu Cloning
  • Help & FAQs
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