Now, if you buy an 80's car you're going to have to change your signature line. I too would love to own an W123 wagon. I too like those chrome roof rails, we don't have a dog, just a cat (not my doing). I don't think I could convince my wife to buy another wagon. We already have a VW wagon. I know that sounds redundant. I think the W123 wagons looked best in silver or black. I would imagine the prices would be about the same as the sedans.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member