I just want to say, welcome to the 300SD club. You'll get great membership benefits such as...
1. Driving a "Big Body Benz"
2. Getting luxury
3. Getting economical mpg
4. If the car smokes, you can just floor it when someone tailgates.
5. It has the classic MB look, and has a little modernity in it still.
6. The strong, dependable W126 body and OM 617 engine, think of it as the ultimate 80's diesel Benz combo
7. Get a smooth ride
8. The car as a whole is just great!!

Good luck, and keep on klatterin'...
-Joe

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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate

Sooner or later every car falls apart, ours does it later!
-German Narrator in a MB Promotion Film about the then brand new W123.