Go to your local library and look through the periodicals.

University or college libraries are best. In Wilmington, NC, UNCW has Car and Driver and Road and Tracks from the early seventies through the late nineties.

Cool stuff.

__________________
'90 300SE 298k
-300K and it gets put into retirement.
'80 300D 255k Purchased new by family in 1980.

Had a:
1973 220 (gas)
1980 300SD
1992 400E