The 100 Series were published about 6 weeks ago.
The Cessna 172M Service Manual revision issued recently is over 200 pages thick. That is just the additional pages.. !!
Technical Publications
''''''Login to the Customer Access area for more publication information:''''
You will be required to register. It does say it could take 24 hours but I did mine months ago and can't recall now... I thought it was quick and painless though.
Once logged in you will have access to all the 100 and 200 series SID's documents in downloadable pdf format. About 2 MB files.
Click on 100 SE Series. Then on the lower right corner of the next page...
You will see SID Information.
Then the next page will have all the active links to all the Service Manual revisions that have just been released.
SID Documents
100 Series and 200 Series HPSE
Examples being :-
D138-1TR7 (Model 100 Series 1953 - 1962 Serv. Man.)
D470-TR6 (Model 200 Series 1960 - 1965 Serv. Man.)
D637-1TR9 (Model 100 Series 1963 - 1968 Serv. Man.)
D606-2TR7 (Model 200 Series 1966 - 1968 Serv. Man.)
D841-8TR8 (Model 177 Series 1968 - 1978 Serv. Man.)
D693-1TR8 (Centurion Series 1969 Serv. Man.)
D849-5TR7 (Reims Rocket 1968 - 1976 Serv. Man.)
D2004-5TR11 (Model 210 Series 1970 - 1976 Serv. Man.)
D971-3TR6 (Model 150 Series 1969 - 1976 Serv. Man.)