The Automotive Clinic — Tuning Files

Software MTK2040000000 Siemens/Continental VGS4-NAG2(MTK2040000000)

7 master projects carry this software number, 7 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 ×2
Mercedes-Benz C
Mercedes-Benz C 4.0T
Mercedes-Benz 3.0T
Mercedes-Benz C 400 EU6 (3.0T)
Mercedes-Benz CLS63 S 4MATIC 5.5 AMG V8

ECU

Siemens/Continental / VGS NAG
VGS4-NAG2(MTK2040000000) / VG54-NAG2 / VGS4-NAG2
Siemens

Hardware / part numbers

—

Read with

Autotuner OBD

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 MTK2040000000 and the same hardware number.
See files & prices →

Vehicle pages: Mercedes-Benz C · Mercedes-Benz CLS63 S 4MATIC

Files are supplied for off-road / motorsport use; checksums are corrected by your flashing tool on write. Last project update 2026-09-03.

WhatsApp