Yeah, I figure the engine/trans combo is worth a good bit more than 700 as long as it works. I talked to the owner, they're getting a key from Mercedes next week so that should allow me to more easily test everything. Hopefully it'll just fire up with a battery in it.

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2010 Mercedes E350 4Matic - 77k miles
1986.5 Nissan D21 V6 4x4 - 276k miles
1987 Mercedes 190D 2.5 Turbo - 3??k miles
1983 Mercedes 300SD turbo parts car
2017 Honda CBR500R - 15k miles
2016 Suzuki GSX S1000 - 9k miles