How many miles have you personally put on it? Do you know the history of the car? I've had to replace the water pump and the fan clutch bearing (typical at 200,000 miles I'm told). Belt tensioner goes too. I'm at 209,000 miles and bought it with 66,000 miles 5 years ago.
1994 E320 Wagon (Died @ 308,669 miles)
1995 E300 Diesel (194,000)
1999 E300 Turbodiesel (244,000 miles, dies at 255,000)
2006 Toyota Tundra SR5 AC 4X4 (115,000 miles)
2011 Audi A4 Avant (129,000 miles) hate this car!
BMW 330 xi 6 speed manual (100,034 miles)