Possible to write a used Mercedes key to another Mercedes with Autel MaxiIM IM508/IM608?
Yes, if it is a BE aftermarket key, yes, it can be renewed and write the new key file.
If it is an original Mercedes key, the NEC chip has to be unsoldered and renewed.
How to Renew BE key with Autel IM608/IM508?

Insert BE key into IR hole of xp400 pro

select IMMO-> Mercedes-Benz->Expert Selection->Key->IR->Repair key





Read key information, key was programmed.

Select Renew BE key function and confirm to clear key


Clear the BE key successfully

Read key information again
Now the BE key was renewed and can be programmed to another Mercedes.

How to Renew NEC key?
Both CGDI MB and VVDI MB can renew NEC key. Here we take an example of CGDI.
www.obdii365.com