The 1980 model won't have a turbo. MB put the turbo diesel engine in the 1981 300 TD (wagon) Then in 1982 they put it in the sedan. The TD does not stand for Turbo Diesel as most people think. It stands for touring diesel.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member