Arrange the data by year and format.

[pesteness]

Make believe your MAIN FILE had only this in it...

Mercedes model - 300CE Coupe E Class 124.052 104.992 from 1993-1993
Mercedes model - 300E 3.2 E Class 124.032 104.992 from 1993-1993
Mercedes model - 190E 2.3 201.024 102.985 from 1984-1986
Mercedes model - 300CD Turbo 123.153 617.952 from 1982-1983

What would the ACTUAL FILE for them look like?

I see, got it.

example this, Mercedes model - 190E 2.3 201.024 102.985 from 1984-1986

this should be look like:

Make=Mercedes Model|Model=190E|Year=1984|Notes=2.3 201.024 102.98
Make=Mercedes Model|Model=190E|Year=1985|Notes=2.3 201.024 102.98
Make=Mercedes Model|Model=190E|Year=1986|Notes=2.3 201.024 102.98

the 2.3 comes with the notes

Thank you.