LOL
http://www.fueleconomy.gov/feg/noframes/3411.shtml

Nice cars.
http://web.infoave.net/~ontheriver/automobiles/300sdl.html

http://www.dhc.net/~pmhack/mercedes/300sd861.htm

http://www.dhc.net/~pmhack/mercedes/300sdl871.htm

No luck finding what you asked for.