In order to program keys to a Mercedes-Benz vehicle via DAS Manager you will need to read the Electronic Ignition Switch

The next step is to add the key password. You can paste it.

When the key password is added you can Program an Abrites key with PROTAG or Emulate a key with your IR adapter:

Next, you can choose the key position

If you receive this message retry the procedure until you succeed.

The Key dump is generated and can be written:

Then the Programming is completed