This is a 2 volume set printed in 1978 for the North American market of all 114-115 series Mercedes-Benz cars from 1968-76.    These manuals cover primarily body and chassis with some mechanicals and electrical.  All engine service is covered in a seperate manual.  

The two volume set is in good condition with the second volume showing the most wear notably in the front and back cover.   Interior pages are clean with no writing or grease marks.