ON-SITESan Antonio · Bulverde · New Braunfels · Boerne · Schertz · Selma · Universal CityREMOTENationwide US & Into CanadaCERTIFIEDNASTF Registered · OEM ToolingHOTLINE(210) 439-7905ON-SITESan Antonio · Bulverde · New Braunfels · Boerne · Schertz · Selma · Universal CityREMOTENationwide US & Into CanadaCERTIFIEDNASTF Registered · OEM ToolingHOTLINE(210) 439-7905
▸ MERCEDES-BENZ SERVICE

Mercedes-Benz
diagnostic & programming.

Spot-On services Mercedes-Benz vehicles in San Antonio with XENTRY Star Diagnosis, SCN coding, and bench-level programmers for procedures the OBD port can't reach. Specialty work includes 722.9 TCM unlock and cloning, Theft Relevant Part (TRP) coordination under NASTF VSP credentials, ESL/EZS service, and ESL emulator products. In-shop only by appointment for vehicle owners; mobile dispatch and TRP coordination available for trade partners.

Mercedes-Benz capabilities at Spot-On.

  • 722.9 TCM serviceUnlock, cloning, and programming of the 722.9 transmission control module — including TRP cloning.
  • Mercedes TRP coordinationTheft Relevant Part requests handled under our NASTF VSP credentials. See our TRP Request form.
  • ESL / EZS serviceSteering lock and ignition switch work. Plug-and-play ESL emulator available for W204/W207/W212.
  • SCN codingSoftware Calibration Number online procedure required for most Mercedes module programming.
  • Module programmingXENTRY toolchain with current OEM subscription plus engineering-tier access where required.
  • Key & immobilizerNASTF VSP credentialed for security gateway access.
▸ FOR VEHICLE OWNERS

In-shop, by appointment

Drop-off at 4715 N Stahl Park, Suite 105, San Antonio. We do not dispatch mobile service to retail customers.

Book an appointment →
▸ FOR TRADE PARTNERS

Mobile, remote, or mail-in

Mobile dispatch across the San Antonio metro. J2534 remote programming + mail-in bench service nationwide.

See trade services →
▸ READY TO BOOK

Mercedes-Benz service starts here.

Call with the year, model, and what the vehicle is doing. Most diagnoses same-day.