The MERCEDES-BENZ E CLASS (2002-06) E320 5DR ESTATE 3.0 CDI EU4 AVANTGARDE AUTO is a large, premium diesel estate, offering a more spacious and practical alternative to an executive saloon. In the UK used-car market, it sits above mainstream family estates, appealing to buyers wanting comfort, useful load space and a prestigious badge. Mycarcheck.com has recorded 337 look-ups across 172 distinct VINs, giving a useful snapshot of this ageing model. Checks show an average private-sale value of £1,700, average recorded mileage of 161,000 and around 7,000 miles driven annually. The cars have averaged just over four previous keepers, so service history and condition deserve close attention. It suits families and long-distance commuters needing room for holidays or items, while the smooth diesel and automatic gearbox make journeys its forte. Avantgarde trim adds an upmarket feel. Compared with estates, it stands out for refinement and status, though upkeep can cost more.