I can't think of anything that hasn't already been mentioned pro or con about the W124 wagon. I'll never give mine up. 216,750 miles and counting. Oh yes, the fan clutch bearing goes south at about 200,000 miles. I've had to replace a ball joint, not trivial on a '94-'95, a couple of steering shocks and an idler arm. If they fail every 200,000, like the original ones, I win.

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dtf
1994 E320 Wagon (Died @ 308,669 miles)
1995 E300 Diesel (228,000)
1999 E300 Turbodiesel ( died @ 255,000)
2006 Toyota Tundra SR5 AC 4X4 (115,000 miles) rusted frame - sold to chop shop
2011 Audi A4 Avant (165,000 miles) Seized engine - donated to Salvation Army
BMW 330 xi 6 speed manual (175,034 miles)
2014 E350 4Matic Wagon 128,000 miles
2018 Dodge Ram 21,000 miles