🔧Does this apply to your car? Most transmission control modules must be programmed and have adaptations relearned after replacement — and on some vehicles (many Mercedes 722.9, ZF mechatronic units) the TCM lives INSIDE the transmission, which changes this from a 1-hour job to a 4-8 hour job. Verify your TCM location before quoting.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
The 2007 Mercedes-Benz S65 AMG 6.0L V12 BiTurbo M275 repair data is free for every DIYer and shop on earth, permanently, because Chris H, Danville, IN paid $99 to unlock it.
Mitchell1 charges $169/mo for this. ALLDATAdiy charges $30/yr per vehicle. Open Labor Project is free permanently, because of community sponsors like Chris.