I read your reply almost instantly to mine as I was shutting down computers around me and going home. I restarted my WIS computer and looked all over for a tool number for the "keys".
Normally every tool described in a service job has its MB part # in a section at the end of the article. I went to the radio section and saw the tools again but still no number. I went to the tool by group number listing and no tool. Sooo. I do not know how to buy them from MB. I do know that Becker Radio people have them and BTW, we are Becker radio people, and have them in stock. www.continentalimports.com
I would have just said that but my radio people were all gone and I have no idea about cost or the part number.