2018 Mercedes-Benz GLS prices
16 cars from UK dealers, updated 23 October 2026. Typical asking price £30,000.
AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.
Half of the 16 priced 2018 Mercedes-Benz GLS cars for sale are priced between £28,000 and £31,500.
Typical mileage 65,000 miles.
5 have had their price cut since they were first listed.
Is the price fair?
The prices above describe the cars currently advertised. They are not a valuation of every car of this model and year. Open a car to see its expected asking price, adjusted for mileage and specification, alongside the available evidence.
Cars for sale now
The cheaper cars like each one are on its AskCar page.
- 2018 Mercedes-Benz GLS, 74,550 miles, £27,495, £2,878 under typical, Maidstone
- 2018 Mercedes-Benz GLS, 59,000 miles, £28,495, Farnham
- 2018 Mercedes-Benz GLS, 47,220 miles, £29,499, Manchester
- 2018 Mercedes-Benz GLS, 57,794 miles, £29,990, Sheffield
- 2018 Mercedes-Benz GLS, 51,411 miles, £31,500, Chelmsford
- 2018 Mercedes-Benz GLS, 69,000 miles, £30,995, Rettendon
- 2018 Mercedes-Benz GLS, 33,000 miles, £34,990, Manchester
- 2018 Mercedes-Benz GLS, 62,450 miles, £29,790, Hoddesdon
- 2018 Mercedes-Benz GLS, 68,750 miles, £28,989, Luton
- 2018 Mercedes-Benz GLS, 79,000 miles, £31,995, Uppermill
- 2018 Mercedes-Benz GLS, 55,000 miles, £30,990, Swindon
- 2018 Mercedes-Benz GLS, 85,531 miles, £26,100, Barnet
- 2018 Mercedes-Benz GLS, 29,000 miles, £37,500, Canvey Island
- 2018 Mercedes-Benz GLS, 110,000 miles, £26,990, Hillingdon
- 2018 Mercedes-Benz GLS, 108,190 miles, £23,500, Ellesmere Port
- 2018 Mercedes-Benz GLS, 73,083 miles, £31,990, Canterbury
Mercedes-Benz GLS by gearbox, fuel and body
Mercedes-Benz GLS by price
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