The MERCEDES-BENZ GLS (2019-24) GLS400 4MATIC 5DR SUV 2.9D 330 DPFR SS EU6 AMG LINE PREMIUM PLUS 9G-T AUTO is a large, premium SUV near the top of the UK family-car market. It offers Mercedes-Benz comfort, generous passenger and luggage space, and four-wheel drive for added reassurance in changeable conditions. More substantial than a typical crossover, it has a flagship feel and commands a high used-car price. mycarcheck.com recorded 465 checks covering 151 VINs, a sample of interest in this model. The average recorded mileage was 41,000, with annual use around 9,000 miles; checks showed fewer than one previous keeper on average. The average private-sale valuation was £63,000, though vehicles vary with condition, history and specification. This diesel GLS suits families needing seven seats and buyers wanting luxury and practicality. Its size may challenge tight streets. AMG Line Premium Plus adds styling and equipment, while the automatic helps make journeys relaxed. Against the BMW X7 and Audi Q7, it stands out for its presence and cabin.