The MERCEDES-BENZ S CLASS (1999-06) S320 4DR SALOON 3.2CDI SE AUTO is a large, luxurious diesel saloon, sitting near the top of the used-car market rather than competing with ordinary family hatchbacks. Its understated styling, generous cabin and automatic gearbox make it a relaxed choice for covering distance in comfort. Mycarcheck.com recorded 63 checks covering 24 different VINs, giving a useful, though not huge, snapshot of cars assessed. The average private-sale valuation was £2,300, while recorded mileage averaged 132,000 miles and annual use just 3,000 miles. Cars had around five previous keepers on average, so check each example’s history carefully. This S-Class suits drivers wanting a spacious, quiet-feeling car for business travel, long journeys or comfortable family trips, and is less natural for tight city parking or a first-time owner. Against BMW’s 7 Series and Audi A8, it is known for comfort and prestige; age and upkeep deserve close attention.