This Transmission Control Module cloning service is designed for Mercedes-Benz vehicles equipped with the Siemens EGS52 TCM. When a transmission control module fails, installing a used or replacement unit requires transferring all vehicle-specific data from the original module. Without cloning, the transmission may not function correctly or may not communicate with the vehicle’s control systems.

This service copies all necessary data from your original EGS52 TCM into a replacement unit that you provide, allowing the replacement module to function as a direct plug-and-play replacement.

What This Mercedes EGS52 TCM Cloning Service Does

We extract and transfer all internal data from your original Siemens EGS52 transmission control module and write it to a compatible donor unit with a matching part number. Once cloning is complete, the donor TCM will operate exactly as the original when installed in the vehicle.

In some cases, the modules must be opened to access internal components required for cloning. Opening the module may void any existing warranty on the part.

Important Compatibility Requirements

For successful cloning, the following conditions must be met:

• The replacement TCM must have the exact same part number as the original

• Both the original and donor TCMs must be shipped to us

• We do not supply replacement modules as part of this service

• Some units may require opening to complete the cloning process

If you are unsure about compatibility, contact us with your TCM part number before shipping.

Supported Mercedes-Benz Vehicles

This service supports the following Mercedes-Benz models equipped with Siemens EGS52 transmission control modules:

• Mercedes-Benz C-Class (W203) – 2001–2007

• Mercedes-Benz E-Class (W211) – 2002–2008

• Mercedes-Benz SLK (R171) – 2004–2010

• Mercedes-Benz CLK-Class (W209) – 2003–2009

• Mercedes-Benz S-Class (W220) – 1998–2005

• Mercedes-Benz CL-Class (C215) – 1999–2006

• Mercedes-Benz ML-Class (W163) – 1998–2005

• Mercedes-Benz SL-Class (R230) – 2001–2008

Texas-Based Service With Nationwide Mail-In Support

We are based in Texas and provide Mercedes TCM cloning services for customers in Austin, San Antonio, Houston, Dallas–Fort Worth, and across Central Texas. Nationwide mail-in service is available for customers outside Texas.

How the Process Works

Purchase the EGS52 TCM cloning service and remove both the original TCM and the matching donor TCM from your vehicle. Package both modules securely in a padded box.

Include a printed note with the following information:

• First and last name

• Contact phone number

• Return shipping address

• Vehicle year, model, and VIN

Ship the package to:

ClusterFix Texas
16044 N Hwy 123
San Marcos, TX 78666

After shipping, send tracking information to info@clusterfixtexas.com or text (512) 792-1717.

What to Expect After Cloning

Once the cloned TCM is returned and installed, the transmission control module will be recognized as the original. The vehicle will shift and operate normally with no additional programming or dealer adaptation required.

FAQ

Do part numbers need to match?
Yes. The donor TCM must have the exact same part number as the original.

Will this retain VIN and transmission coding?
Yes. All original vehicle-specific data is transferred during cloning.

Is programming required after installation?
No. The cloned module is plug-and-play.

Will opening the module void my warranty?
Possibly. Some units must be opened to perform cloning, which may void manufacturer or reseller warranties.

Do you service customers outside Texas?
Yes. This is a nationwide mail-in service.