Go to your local dealer and see if you can still buy the service book for the car. The one that would of came with the car when new. I was able to get a reproduction owner's manual for my '80 300SD from the dealer. It cost about $15. So maybe the maintanence may be still available.
1994 MB E320 Coupe (199,500 mi)
1992 MB 190E 2.6 (173,000 mi)
1983 Porsche 911SC (148,000 mi)
2004 Volvo V70 2.5T (198,000 mi)
President of CT/Westchester Section