Launch MCU3 Adapter Connect the MCU3 adapter to X-PROG3, you can read new ECUs TCM or program Mercedes all keys lost with X-431 PRO V4.0, X-431 PRO 3 V4.0, X-431 PRO 5, X-431 PAD III V2.0, X-431 PAD V, X-431 PAD VII, X431 V, X431 V+, X431 PRO3S+.
The mcu3 adapter is not included with the xprog3. Add MCU3 adapter for more functions of X-PROG3 programmer as readings of new ECUs TCM, Mercedes all keys lost etc