i ran into the same problems with those copys off ebay. I brought an orginal disc set off ebay and that problem went away.

I have wis and can send you documents you need, just let me know.

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1986 300SDL, 211K,Dealership serviced its whole life
1991 190E 2.6(120k)
1983 300D(300k)
1977 300D(211k)