I'm venturing over from the diesel forum to help out my dad. His friend (who owns a couple older MBs) found as part of an estate sale a 1995 S320 with (allegedly) 10,000 miles on it. I did tell him he should make sure it comes with records that can verify that. His friend said it's basically perfect inside and out. They want $7,500. I know this isn't a very rare model, so even a museum piece isn't going to bring a price far above the general value, but just curious what others feel about the price. I realize a 16-year-old car is still going to have rubber parts that need to be replaced even if it's been barely driven. Hoping to find out more about the car's background later this week (my dad is going up there Friday). Anything else he should look for outside the usual (i.e., problems specific to this model)?
I don't think my dad is looking for a daily driver, but he loves the w140 w/ the smaller engine and has had his eye out for one for a while.
Any thoughts or advice appreciated.

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1987 300D, arctic white/palomino--314,000 miles
1978 240D 4-speed, Euro Delivery, light ivory/bamboo--370,000 miles
2005 Jeep Liberty CRD Limited, light khaki/slate--140,000 miles
2018 Chevy Cruze diesel, 6-speed manual, satin steel metallic/kalahari--19,000 miles
1982 Peugeot 505 diesel, 4-speed manual, blue/blue, 130,000 miles
1995 S320, black/parchment--34,000 miles (Dad's car)