Description: 1968-1972 230 250 280 shop service repair manual for Mercedes 6 cyl cars 230 pages M180 M114 M130 M130E & M130V engines as used in 230SL 250SL 280SL 250S 280S & more by Haynes. Mercedes-Benz M180 engine is a 2.2 L inline-6 engine introduced in 1951 M114=250