I looked at that car for a while before I bought my present 300D. That is a bad problem to have at that low of mileage. Plus, it has been sitting for a long time. I'd go with a different car, unless you can get it for a steal.

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Ed
-1984 Mercedes 190D 2.2 5-speed gray market(bought@30,000 miles) (Sold back to original owner@170,000 miles)
-1999 Mercedes E300DT (245,000 miles)
-1999 Mercedes S500 Grand Edition (80,000 miles)