parts books

[winston the browndog]

I need some help,Please ! Have a 68 250 sl and the books to go with it I  think? I have the reddish brown book called Catalog >>A<< #12128. It has all the pictures of the parts and numbers by them but , there is no listing of  part numbers .
 Also have the factory service manual  , Is that what is called the BBB? And I have the Chassis and body spare parts list  #10202 , which lists all the parts and part number except for things under the hood . I would like to see if there is  a companion to the reddish brown  book with the part numbers and the chassis and body spare parts list for under the hood. If there are these books , where could I buy them ,
 Thanks , for the help , Paul

[mbzse]

.../... a companion to the reddish brown book with the part numbers for under the hood

That is another Spare Parts List, A4 size, and you need the one pertaining to your particular engine.
For you, the 10127 (M129).  Strive to find Ed "B"

[Peter]

Booked with pagoda parts for and part numbers can be bought via below site in Germany.
Cost per booked is € 10.
https://mercedesclubs.de/teilekataloge

Also interesting webservice is:
https://nemigaparts.com/cat_spares/epc/mercedes/1/113/