Add MCU3 adapter for more functions of X-PROG3 programmer as readings of new ECUs TCM, for Mercedes Benz all keys lost etc, which is compatible with X431 PRO, X431 PRO 3, X431 PRO 5, X431 PAD III, X431 PAD V, X431 PAD VII, X431 V, X431 V+, X431 PRO 3S+.