I'm thinking of getting a used 99 S320 100K miles. I currently have a Lexus LS. By talking to some people who own other luxury cars, they have all said stay away from Mercedes unless you are buying it new, or it is coming with the warranty because repair on them is ridiculous. I figure I should ask Mercedes owners to get their opinions. Now I know everyone here loves their Benz, but can I get a real objective view on this? Considering repair and maintenance costs of a Mercedes, should I be buying a used s320?

Thanks for all input.

It depends on so many factors.
What do you want to do with it?
How much does it cost?
Was it well taken care of?
Realize at 100k miles, suspension bushings probably need to be replaced in the near future 20k miles.

If I had a choice between S320 and S500, I would get the S500.

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Current Stable:
1994 S500 v140, 210k miles, white with grey.

Former Mercedes in the Stable:
1983 300CD Turbo diesel 515k mi sold (rumor has it, that it has 750k miles on it now)
1984 300CD Turbo Diesel 150 k mi sold
1982 300D Turbo Diesel 225 sold
1987 300D Turbo Diesel 255k mi sold
1988 300 CE AMG Hammer 15k mi sold
1986 "300E" Amg Hammer 88k mi sold (it was really a 200, not even an E (124.020)
1992 500E 156k mi sold
etc.

Well the LS is certainly a more reliable car, and its also a copy of the S class.

MB makes a great car you just have to be willing to pay a bit to own one. $2k-$3k a year is a good ballpark for repair costs, whichever MB model you decide on.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200