Based on the private sale valuations for the Mercedes-Benz E-Class (2002-06) E350 4DR Saloon 3.5 V6 Sport Auto, the majority of vehicles are valued between £1,000 and £4,000. Specifically, 60% of the private sale prices fall within the £1,000 to £2,000 range, while 26.7% are valued between £3,000 and £4,000. Smaller proportions are priced below £1,000 (6.7%) and between £2,000 and £3,000 (6.7%). This indicates that most of these vehicles tend to be in the lower-to-mid price bracket, suggesting that age, mileage, or condition factors may significantly influence their market value in private sales.

Based on the data, all Mercedes-Benz E Class (2002-06) E350 4DR Saloon 3.5 V6 Sport Auto models have an engine capacity of 3,498 cc and are powered solely by petrol. This indicates uniformity in engine specifications and fuel type across this particular vehicle variant, highlighting its consistent use of a 3.5-liter V6 petrol engine.