The 170SD was super slow. It had a 40HP OM 636 4 banger with a top speed of 60MPH. It would get 38 MPG though.170SD info
-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.