Used Mercedes-Benz GLS AMG Line prices

There are 27 used Mercedes-Benz GLS AMG Line cars for sale from UK dealers on AskCar, as of 2 November 2026. Typical asking price £29,500 (the median: half cost less, half cost more). The cheapest is £16,290. The middle half are priced between £26,500 and £32,000.

Dealers lowered the asking price on more than a third of Mercedes-Benz GLS AMG Line cars: 12 of the 27 in the 14 days to 2 November 2026.

AskCar lists 140 used Mercedes-Benz GLS across the UK, from 110 dealerships.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

Mercedes-Benz GLS AMG Line cars for sale now, page 1 of 2

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 20 of the 21 cars listed here meet these rules. Page 2 lists every other Mercedes-Benz GLS AMG Line car, cheapest first, including the one the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 134 priced Mercedes-Benz GLS adverts on AskCar as of 2 November 2026. The figures on this page describe the cars advertised, not a valuation of every Mercedes-Benz GLS AMG Line.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 6 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value Mercedes-Benz GLS AMG Line: priced furthest below the AskCar estimate

These 10 are priced 1% to 8% under their AskCar estimate. Their asking prices run from £19,990 to £70,265.

Cheapest Mercedes-Benz GLS AMG Line: the lowest asking prices

These 10 are priced £19,990 to £28,999. They have covered 59,000 to 108,190 miles.

Lowest-mileage Mercedes-Benz GLS AMG Line

These 10 have covered 5,097 to 64,000 miles. Their asking prices run from £26,990 to £71,444.

Recently reduced Mercedes-Benz GLS AMG Line: the biggest price reductions in the 14 days to 2 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 2 November 2026. Their reductions since AskCar first saw them run from £600 to £15,730.

Newly advertised Mercedes-Benz GLS AMG Line: first seen by AskCar in the 7 days to 2 November 2026

These 2 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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