The Automotive Clinic — Tuning Files

Software 1037390726 Bosch ME2.8.1

6 master projects carry this software number, 5 with a modified version. Upload your read to have the tune transferred into your own file, or buy the file exactly as we hold it by software number. Modified files from $275, original (stock) files from $75 AUD. Trade accounts see their own pricing after log in.

Fitted to

Mercedes-Benz CLS 55 AMG ×2
Mercedes-Benz CLS55 AMG 5.4 5AT Kompressor - 476hp ×2
Mercedes-Benz E55 5.5 AMG V8
Mercedes-Benz CLS55 5.5 AMG V8 Kompressor

ECU

Bosch
ME2.8.1 / ME2.8 / ME 2.8.1
Bosch

Hardware / part numbers

0261S04194
1131532791

Read with

any full read from your flashing tool

Modifications available

Have the read? Upload it.
Your own file comes back with the modification built in, checked for a 100% match before it's offered.
Upload your read →
Can't read the ECU? Buy by software number.
The stock or modified file exactly as we hold it, to write with your tool. Make sure your ECU carries 1037390726 and the same hardware number.
See files & prices →

Vehicle pages: Mercedes-Benz CLS · Mercedes-Benz CLS55 · Mercedes-Benz CLS55 AMG · Mercedes-Benz E55

Files are supplied for off-road / motorsport use; checksums are corrected by your flashing tool on write. Last project update 2026-03-19.

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