How CGDI MB Add A Key for Benz W211 with Key

Car model: Benz W211

Process: Copy Key With Key

Tool: CGDI Prog MB

note: If you want to download this process: W211 copy key with key

Connect CGDI MB with the vehicle via OBD, open the door and keep the vehicle voltage stable stay 12V.


Run CGDI-MB software and click ” Read EIS Data”


Read data successfully, the related information shown


Click “Compute password” -> choose” copy key with key” -> “Collect Data”


Choose “other keys” Click ”ok”


Step 1: please insert the key into EIS and click ok


Step 2: please insert the key into the CGMB device and click ok


collecting the key data


Step 3: Finish Key collection, please insert the key into EIS and click ok


please wait 9 seconds


please pull out the key from the EIS, and then click ok


Step 4: please insert the key into the EIS again and click ok


Step 5: Pull out the key for 5 seconds, then insert the EIS, then click ok


Step 6: please insert the key into the CG-MB device again and click ok


Collect successfully, save data, default file name


Save the file successfully, click ok


Click ” Upload Data ”


Open the file saved just now in the last step


Upload data successfully


Click ”Query Result” and wait


Computing success, click ok


Copy password


Click “EIS” and paste the password


Save EIS data


Click “Generate EE” -> “Load EIS file” just saved


Check the information and click “Generate key file”


Generated file successfully and save the file


Click “Read/ write Key”


Put into new key


Show key information after reading


Click “Reset” and then click OK


Click “open/write” please pay attention to the note


Choose one unused key data


write success


Insert the new key into EIS and start


Read EIS again, and you could notice that the car key NO. which choose before is used. And the can start the ignition, add a key for W211 successfully!


If you want to see more project using CGDI MB, please click here: