XTOOL M822 Adapter for Toyota & Benz | Smart Key Programming with KC501

Unlock next-level key programming efficiency with the XTOOL M822 Adapter – the must-have tool for automotive locksmiths and technicians working with 2018+ Toyota 8A/4A smart keys and Benz key functions. Designed to work seamlessly with XTOOL tablets + KC501 (and KC100 for Toyota).

Why Choose XTOOL M822?

• 65% faster key calculation – Get jobs done in a fraction of the time

• Pin-code-free – No need to extract PIN codes for 2018+ Toyota 8A/4A systems

• Supports Add Key & All Keys Lost – Complete coverage for complex scenarios

• No specialized keys required – Use standard keys, reduce inventory costs

• Benz key functions – Works exclusively with XTOOL tablets + KC501

 Compatibility – Works With:

XTOOL D7W / D8W / X100PAD / X100 PAD3 / X100 PAD MAX (must pair with KC501/KC100):

⚠️ Note:

• Benz functions → M822 + XTOOL tablet + KC501 only

• Toyota 8A functions → M822 + XTOOL tablet + KC501 or KC100

Toyota Models Supported:

2014~2019: For Toyota Levin / For Corolla / For RAV4 / For Prado / For Land Cruiser / For Camry / For Highlander / For Reiz / For Sienna / For Hiace / For Hilux / For Crown Kluger / For Aygo with IMMO box F3-F4-K6-S6

Note: This is not compatible with American models with “H” Chip blade k!ys. 

Mercedes-Benz Models Supported:

Connection Method :

Connect VIA OBD:

1.Connect KC100/KC501 to the device via USB and prepare a KS-1

2. Connect the device (or VCI box) with the M822 Adapter using the main cable.

3. Connect the Toyota cable to the car using OBD port.

4. Take the battery clip from the car out and use the battery clip to connect the cable to the battery.

5. Take out the fuse from the fuse box then plug the cable into it.6. Find the 12V DC male port from the Toyota cable and connect it to the 12V DC female port from the main cable.

Note: For different models, the connection method might not be same. Sometimes an extend cable is needed, and the fuse might be different. Please check XTOOL tablets for detailed wiring diagram when connecting to vehicle and fusebox.

Connect on bench:

1. Connect KC100/KC501 to the device via USB and prepare a KS-1

2. Connect the immobilizer to the Toyota bench cable.

3. Connect the main cable and the Toyota bench cable via M822 adapter.

4. Connect the 12V DC adapter to the main cable.