People who bought these cars new didn't care about fuel or insurance costs. W140's suck premium fuel, you will burn a lot. Insurance shouldn't be to bad. I really like the W140's just be ready to spend a few grand a year to keep it in good shape.

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2006 CL500
2009 C300 4matic
1969 280SE
2023 Ram 1500
2007 Tiara 3200