2017 Mercedes-Benz GLS prices

There are 12 used 2017 Mercedes-Benz GLS cars for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £27,500 (the median: half cost less, half cost more). The cheapest is £24,590. The middle half are priced between £26,500 and £32,000. Median mileage: about 65,000 miles.

Dealers lowered the asking price on more than one in five of 2017 Mercedes-Benz GLS cars: 3 of the 12 in the 14 days to 9 November 2026.

AskCar lists 147 used Mercedes-Benz GLS across the UK, from 113 dealerships.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2017 Mercedes-Benz GLS cars for sale now

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage and recently reduced. 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. All 9 cars listed here meet these rules.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 141 priced Mercedes-Benz GLS adverts on AskCar as of 9 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2017 Mercedes-Benz GLS.

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 3 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value 2017 Mercedes-Benz GLS: priced furthest below the AskCar estimate

Their asking prices run from £24,590 to £32,490.

Cheapest 2017 Mercedes-Benz GLS: the lowest asking prices

These 9 are priced £24,590 to £32,490. They have covered 55,000 to 91,410 miles.

Lowest-mileage 2017 Mercedes-Benz GLS

These 9 have covered 55,000 to 91,410 miles. Their asking prices run from £24,590 to £32,490.

Recently reduced 2017 Mercedes-Benz GLS: the biggest price reductions in the 14 days to 9 November 2026

The dealer lowered the asking price on each of these 3 in the 14 days to 9 November 2026. Their reductions since AskCar first saw them run from £505 to £2,000.

Mercedes-Benz GLS by gearbox, fuel and body

Mercedes-Benz GLS by trim

Mercedes-Benz GLS by price

Mercedes-Benz GLS near you

More Mercedes-Benz

Everything