The MERCEDES-BENZ E CLASS (2006-09) E220 5DR ESTATE 2.2 CDI AVANTGARDE is a large, premium diesel estate, offering more load space than the saloon while retaining a comfortable, executive-car feel. In the UK used market, it suits buyers needing a practical alternative to an SUV, with room for family, luggage, hobbies or work equipment. mycarcheck.com has recorded seven checks covering four distinct VINs, so these figures are a small snapshot rather than a broad market average. Across those records, average private-sale valuation was £1,900 and mileage averaged 138,000; average annual mileage was 3,000, with about 3.3 previous keepers. Check each car's history and condition carefully, especially at this age. The E220 CDI is known for long-distance comfort, diesel economy and composed ride. Avantgarde trim adds polish, while its roomy cabin and boot rival BMW 5 Series and Audi A6 estates for premium motoring. Check age-related upkeep and condition closely.