XTOOL M821 Mercedes Benz All Key Lost Communication Adapter

XTOOL M821 Mercedes Benz All Key Lost Communication Adapter Compatible with PAD3/PAD3 SE:

XTOOL M821 Mercedes-Benz all key lost communication adapter is used for finishing and optimizing all key lost programming for multiple Mercedes-Benz modules.With M821 adapter, you can save as much as 65% of the calculation time on the process,or save you from plugging the key emulator in and out for hundreds of times

Important Using Tips:

1. Please make sure that the software version of Mercedes-Benz key programming software is above V27.10.
2. M821 adapter can only be used with advanced XTOOL key programming/diagnosis tablets that supports KC501.
3. Mercedes-Benz all key lost programming functions should be done online.Please make sure that you are connecting to a table network when processing.
4. Need work with PAD3, PAD3 SE, KC501

Xtool M821 Description:

1. OBD-16 port: Used to connect to J1Z02_BENZ communication cable or connect to EIS/EZS modules via DuPont cables.
*Caution: Don’t connect to the OBD port on the car directly.
2. Status Light: Shows the power status of the adapter. When the red lights are on, that indicates the power is on.
3. Comm Light: Shows the communication status of the adapter. When the blue lights are on, that indicates the adapter is communicating with the tablet.
4. DB15 port: Used to connect to the main cable of XTOOL tablets.
*Note: Before connected to M821 Adapter, please disconnect the OBD2-16 connector from the main cable.

Xtool M821 Connection Method:

For devices with VCI box
1. Connect the device and the VCI box via Bluetooth.
2. Connect KC501 to the device via USB.
3. Connect the Mercedes-Benz IR emulator onto KC501.
4. Disconnect the OBD2 connector from the main cable, then connect the VCI box with the M821 Adapter using the main cable.
5. Connect the 12V power supply onto the main cable.
6. Connect the EIS/EZS module with the M821 Adapter using the J1KO2_BENZ cable. Please check the device for connection details.

Note: Please make sure that the software version of Mercedes-Benz’s key programming software is above V27.10.
Note: M821 Adapter can only be used with advanced XTOOL key programming/diagnosis tablets that support KC501.
Note: Mercedes-Benz all key lost programming functions should be done online. Please make sure that you are connecting to a stable network when processing.

For devices without a VCI box
1. Connect KC501 to the device via USB.
2. Connect the Mercedes-Benz IR emulator onto KC501.
3. Disconnect the OBD2 connector from the main cable, then connect the device (or the VCI box) with the M821 Adapter using the main cable.
4. Connect the 12V power supply onto the main cable.
5. Connect the EIS/EZS module with the M821 Adapter using the J1KO2_BENZ cable. Please check the device for connection details.

Note: Please check the pictures in the device when connecting the M821 Adapter and EIS/EZS module via the J1KO2_BENZ cable.
Note: The Mercedes-Benz IR emulator should be plugged into the slot of the module when operating.
Note: For devices that come up with a VCI box, connect the M821 Adapter with the VCI box using the main cable, and keep the VCI box connected with the device via Bluetooth.

Support EIS Modules:

W164(OLD) W166 W204 W212(NEW)
W164(NEW) W216 W221 W211

Xtool M821 Package List:

1 pc x M821 Mercedes-Benz AKL Adapter
1 pc x J1K02_BENZ Wiring Harness
1 pc x M821 Quick Guide