How Xhorse VVDI MB VAG Do All Keys Lost on Mercedes W212?

VVDI MB VAG tool supports read password and prepare new key for Mercedes Benz via IR. Here, I will offer the detailed guidance for you to deal with Mercedes W212 all key lost, hope it helps.


Equipment: Xhorse VVDI MB VAG Benz Key programmer

Vehicle model: Mercedes Benz W212


Detailed procedures:

Select Password Calculation

Select Classes W166, 197, 212, 218, 246

Click on [Data Acquisition]

Connect [device OBD line] to car before continue

Connect [IR adapter] to VVDI-MB TOOL and press OK

Processing data acquisition

Save VM_NOKEY_C051128E_1

Acquisition finished, upload the saved data with “Upload Data” for password.

Click on [Upload Data] to send acquisition date

Upload success: Queue number 1, wait for a while..

Then Click on [Query result] to get result.


Reflashing, please wait…

Creat new folder named “212 ALL KEY LOST”

Copy the password

Then Select [EIS Tools] and click on [Read EIS data]

Paste the key password here and click [save EIS data]. Save to the new folder “212 ALL KEY LOST”.

Press OK to save HC05 format file.

Select Prepare Key File

Press load EIS file.

Save to the file “212 ALL KEY LOST”

Prepare keys


Select Read Write Key

Plug the new key in the device


Identification key and reading data success

Then Click on [load key file] —[key8_5F6FD781_051]

And write data and identification key

Select [EIS Tools] -> [Read EIS data].