Based on Autel US’s published specs, the XP400 PRO is a key and chip programmer that works with the IM508 and IM608 to read, write, and learn keys. It supports over 3,000 chip types and includes EEPROM data functions for European vehicles, making it suitable for professional automotive locksmiths and technicians.
If you’re searching for an ‘Autel XP400 PRO Key Programmer and IMMO Tool review’, you likely want to know what this accessory does. Based on Autel US’s published specs, the XP400 PRO is a key and chip programmer designed to work alongside the Autel IM508 and IM608 diagnostic tools.
It reads, writes, and learns keys for various vehicles, including infrared keys for Mercedes and IC chip keys for late-model Hyundai/KIA. Additionally, it supports EEPROM data functions needed for European vehicles.

Published specs
| Spec | As published |
|---|---|
| Product Type | Key and chip programmer / IMMO tool |
| Compatibility | Autel IM508 and IM608 (both sold separately) |
| Supported Chip Types | 3,000+ (including EEPROM, engine ECU, MCU, IMMO ECU) |
| Key Programming Capabilities | Infrared keys for Mercedes; IC chip keys for late-model Hyundai/KIA |
| EEPROM Data Functions | Yes, for European vehicles |
| Power Source | Not stated by the brand |
| Dimensions / Weight | Not stated by the brand |
Who it suits
- Professional automotive locksmiths and technicians using Autel IM508 or IM608
- Those who need to program infrared keys for Mercedes vehicles
- Users requiring EEPROM data read/write for European car models
Who should skip
- Technicians who do not own an Autel IM508 or IM608 (the XP400 PRO is not a standalone tool)
- Casual DIYers who only need basic OBD2 diagnostics or code reading
- Users looking for a key programmer that supports all vehicle makes without additional hardware
Pros
- Works with two popular Autel platforms (IM508 and IM608)
- Supports over 3,000 chip types including EEPROM, ECU, and MCU
- Can program infrared keys for Mercedes and IC chip keys for Hyundai/KIA
- Performs EEPROM data functions for European vehicles, expanding its utility
Cons
- Warranty policy is not stated by the brand
- No detailed specifications for power, size, or connectivity are provided by the brand
- Requires purchase of a separate Autel diagnostic tool (IM508 or IM608) to function
What It Is
The Autel XP400 PRO is a key and chip programmer sold as a accessory for Autel’s IM508 and IM608 diagnostic and immobilizer tools. Based on brand descriptions, it allows these devices to read, write, and learn keys for a wide range of vehicles. It is categorized under Autel MaxiIM and tagged as a ‘KEY TOOL’ on the Autel US website.
Key Features as Published
- Compatible with IM508 and IM608: The XP400 PRO is not standalone; it connects to these Autel tools to enable key programming functions.
- 3,000+ Chip Types: Supports data read/write of over 3,000 chip types, including EEPROM, engine ECU, MCU, and IMMO ECU.
- Infrared Key Programming: Specifically enables programming of infrared keys for Mercedes vehicles.
- IC Chip Key Programming: Can program IC chip keys for late-model Hyundai and KIA vehicles.
- EEPROM Data Functions: Performs EEPROM data read/write needed for European vehicle immobilizer systems.
Compatibility and Requirements
The XP400 PRO is designed exclusively as an add-on for Autel IM508 and IM608 tools. You must own or purchase one of those devices separately. The brand states it will work with ‘3000 Plus Chip Types’ and supports both infrared and IC chip key formats. Power source, dimensions, and connectivity details are not stated by Autel US.
Before You Buy
Consider that the XP400 PRO requires a compatible Autel diagnostic base unit (IM508 or IM608) – these are sold separately. The brand’s return policy allows 30 days after receipt to request a return for unused items in original packaging. Free standard shipping (4–6 business days) is available within the continental U.S. No warranty terms are published by Autel US.
Frequently asked questions
Which vehicles does the Autel XP400 PRO support?
Based on brand specs, it supports Mercedes vehicles for infrared key programming and late-model Hyundai/KIA for IC chip keys. It also performs EEPROM data functions for European vehicles, but the brand does not provide a full list of compatible makes and models.
Can the XP400 PRO be used as a standalone tool?
No. The XP400 PRO is an add-on programmer that requires an Autel IM508 or IM608 diagnostic tool to function. It is not a standalone key programmer.
How many chip types does the XP400 PRO support?
The brand states it supports data read/write of 3,000 plus chip types, including EEPROM, engine ECU, MCU, and IMMO ECU chips.
What is the return policy for the XP400 PRO?
Autel US offers a 30-day return policy. Items must be unused, in original packaging, and with proof of purchase. Return shipping is free for defective or incorrect items; otherwise, the customer pays return shipping. Contact support@autel-us.com to initiate a return.
Does the XP400 PRO come with a warranty?
Warranty terms are not stated by Autel US for this product. Check the brand’s website or contact customer support for details.





