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(No Tax) 2022 New Arrival XTOOL M821 Mercedes Benz All Key Lost Communication Adapter Compatible with PAD3/PAD3 SE

Item No. SK386 In Stock. History 8 sold.

Buy Now: US$99.00
Ship From US

US Warehouse Products Can Be Sent to Mexico and Canada,Faster delivery than DHL

US/UK/EU Ship No Tax,Fast Delivery


X100 Pro2 is not good on mileage correction, before purchasing please consult and confirm.Without consulting and confirming we will not accept return
Free Shipping Standard Flat Rate Shipping Service Estimated delivery time: 7-18 working days.See details »
19.5cm*9.5cm*8cm     ( Inch: 7.68*3.74*3.15 )
Return for refund within 30 days,buyer pays return shipping. Read details »

Product Description

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
2022 New Arrival XTOOL M821 Mercedes Benz Adapter Support Benz All Key Lost Compatible with PAD3/PAD3 SE

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 functionis 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.

M821 Mercedes Adapter Connection Method

1. Connect KC501 to the device via USB.
2. Connect 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 12V power supply onto the main cable.
5. Connect the EIS/EZS module with the M821 Adapter using the J1K02_BENZ cable. Please check the device for connection details.
*Note: Please check the pictures in the device when connecting M821 Adapter and EIS/EZS module via J1K02_BENZ cable.
*Note: The Mercedes-Benz IR emulator should be plugged into the slot of the module when operating.
*Note: For devices which comes 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.
You can check the connection details for such devices in the device.
xtool m821 connection display

Support EIS Modules

W164(OLD) W166 W204 W212(NEW)
W164(NEW) W216 W221 W211
xtool m821 benz adapter
Support Functions

Mercedes-Benz All Key Lost 

Package List

➢ M821 Mercedes-Benz AKL Adapter
➢ J1K02_BENZ Wiring Harness
➢ M821 Quick Guide

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xtool qr code

Contact information:
Live Support: Tidio  Online Support

Whatsapp:+86 18995643579



Shipping Warranty 
If you have no special requirements, we automatically select the shipping warehouse and shipping method for you by default.

US, UK,EU Warehouse Shipping: 
2-5 working days. We have stocked up hot sale items in US,UK,EU Warehouse , which is more convenient for customers. Free TAX, faster shipping with cheaper price. Orders from US,UK or EU will be delivered by US Fedex/USPS,DE DHL Post or Royalmail Hermes,DPD from US,EU, UK warehouse.

DHL Shipping: 3-7 working days, To help you clearance we will help declare a lower price on the invoice to help clearance. If address is remote area, you need pay remote freight or we will ship by Normal Post or Yanwen/EMS/Aramex Express.Please remember to leave message if you have any special requirement.

Yanwen Express: 7-15 working days, usually No Tax for European Countries or Remote Area . The tax was pre-paid, when package reached, there's no tax no extra fee for customers.Due to high custom tax in European Countries,Like United Kingdom, Germany, France, Italy, Spain, Belgium,Austria, Portugal, Hungary,etc, we will use Yanwen express or DHL.
(Default ship via DHL,if you need other shipment method , please inform us first. thank you)

Postal Service: 12-20 working days,although takes long time but also free tax

Product Warranty

All the Vident tools in our site we provide one year warranty. 

Technical Service  

1. If you have any technical problem, please contact us online or by email
2. Remote help service: If your problem needs to be solved by remote help by our engineer, please download the teamviewer software, install it on your computer, then give us ID and password for remote help.

 Refund policy 

1. Damaged tool Service: If the product you received has been damaged during the shipping, please report to local DHL office/Post office immediately and ask for damage proof, then contact our website customer service for exchange service.
2. Product Quality problem for refund or exchange: If the product has any problems, please contact our customer service online within 7 days and return the item to us within 30 days upon the arrival.If you not contact us within 7 days and not return to us within 30days, it is considered as used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT.
3. Return Service: All returned items MUST BE in the original packaging and you need to provide us with the shipping tracking number, specific reason for the return, and also your order number. Buyer pays return shipping fee.

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