The XP400 Pro is a high‑performance key and chip programming tool that pairs with Autel’s IM508 and IM608 diagnostic tablets (or standalone via PC software). It supports reading/writing EEPROM and MCU/ECU data, cloning transponders, generating smart keys (including Mercedes infrared and IC chip-based Hyundai/Kia keys), and data access across 2000+ MCU and 440+ EEPROM chip types. The tool delivers OE‑level immobilizer and IMMO programming capabilities for European, VAG, Mercedes‑Benz, BMW, and Hyundai/Kia models (obdprice, auteltools.com, store.autel.com).