Here is a link to Mercedes-Benz Marine diesel engines:
http://www.dmv-bootsdiesel.de/Englisher%20Index/Lieferprogramm/MercedesBenz/mercedesbenz.html

Note the OM616 in the botton right corner. Always thought they would make a great little marine engine.

__________________
Anders

1995 E300
2015 VW TDI Sportwagen 15K
1977 240D (197K)
2002 Subaru Legacy L Wagon (115k) (Wife's)
Gone but not forgotten:
2005 Buick LeSabre
1998 C230
1984 300D
1983 240D
1981 300SD
1974 240D
1974 Fiat 124 Spider
1968 Triumph TR250