1979 300 sd 434,000 miles 1985 300sd 260,000 miles 1984 300d turbo 207,000 miles(wifes car)the 79 known as old blue,will be retired tommorow.I still drove her after a tree fell on her two years ago,but two weeks ago my brother was driving it and was rear ended by an atlanta driver who thought she could drive through the trunk.car still runs and drives,but the rear doors are hard to close.old blue was the fastest and best handeling diesel i have ever driven.