I'm looking for a good diesel. I've always been intrigued by them and there durability. I live in MN so I hope this won't be a problem for winter. I drive 170 miles a day for work. Which diesel will be best for me? I've learned a lot from reading these boards and I'm thinking a 190 d, or a 300 d. Any pro's or con's, parts availability, things I should look for when test driving? Thanks in Advance, Alan

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2012 550CLS
1982 380SL
1985 300D
1998 ML-320
1997 E-320
1984 380SE