2023 Mercedes-Benz GLS 4.0 GLS63h V8 BiTurbo MHEV Night Edition Executive

Price: £85,000. Fair price: £3,651 (4%) over the AskCar estimate of £81,349, our expected asking price for this car from its model, age, mileage and specification, drawing on 141 priced Mercedes-Benz GLS adverts on AskCar as of 9 November 2026.

AskCar lists 147 used Mercedes-Benz GLS from 113 UK dealerships, as of 9 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLS
  • Trim: Night Edition Executive
  • Version: 4.0 GLS63h V8 BiTurbo Mhev Night Edition Executive Auto 4WD Euro 6 (s/s) 5dr SpdS TCT
  • Year: 2023
  • Mileage: 25,668 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 7 seats
  • Engine: 4.0 litres
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 291 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 25,668 miles on the clock, this 2023 Mercedes-Benz GLS Night Edition Executive has done roughly 4,900 fewer miles than a typical 2023 Mercedes-Benz GLS. Its asking price of £85,000 is £3,651 above the AskCar estimate of £81,349. The AskCar estimate uses 141 UK dealer adverts for the Mercedes-Benz GLS, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 100 days ago, and its asking price has since fallen by £16,000. It is advertised by Sytner Group Mercedes-Benz of Cheltenham & Gloucester in Staverton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Sytner Group Mercedes-Benz of Cheltenham & Gloucester is rated 4.6 out of 5 on Google.

Price

Fair price: £3,651 (4%) over the AskCar estimate of £81,349.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 141 priced Mercedes-Benz GLS adverts across different ages and specifications, as of 9 November 2026.

Time on sale

This 2023 Mercedes-Benz GLS has been on sale for at least 100 days.

Price history

AskCar first saw this advert on 1 August 2026 at £101,000. Its asking price is now £85,000, £16,000 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

  • 2 August 2026: £101,000
  • 14 September 2026: £99,750
  • 18 September 2026: £99,000
  • 10 October 2026: £94,850
  • 15 October 2026: £93,850
  • 24 October 2026: £91,500
  • 30 October 2026: £91,000
  • 31 October 2026: £90,000
  • 5 November 2026: £89,000
  • 7 November 2026: £85,000

Mileage and MOT

Advertised mileage is about 4,900 miles lower than the median mileage of a 2023 Mercedes-Benz GLS on AskCar.

Similar cars

2 other 2023 Mercedes-Benz GLS Night Edition Executive 4.0 petrol automatic SUVs are for sale at UK dealers, from £86,499 to £91,850, as of 9 November 2026.

The 2 closest to this car in mileage:

  • 2023 Mercedes-Benz GLS Night Edition Executive, 4.0 petrol SUV, black. Mileage: 20,375 miles. Price: £91,850, £6,850 more than this car. Dealer: Sytner Group Mercedes-Benz of Temple Fortune in Camden. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-936914329fbe
  • 2023 Mercedes-Benz GLS Night Edition Executive, 4.0 petrol SUV, black. Mileage: 32,699 miles. Price: £86,499, £1,499 more than this car. Dealer: Lookers Mercedes-Benz of Brighton in Brighton and Hove. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-5ba19a547e08

Browse all Mercedes-Benz GLS cars for sale · 2023 Mercedes-Benz GLS price guide

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Photos

29 photos of this car are on its AskCar page.

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.