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

Price: £82,000. Fair price: £5,979 (6%) under the AskCar estimate of £87,979, our expected asking price for this car from its model, age, mileage and specification, drawing on 143 priced Mercedes-Benz GLS adverts on AskCar as of 8 November 2026.

AskCar lists 150 used Mercedes-Benz GLS from 116 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLS
  • Trim: AMG Night Edition Executive
  • Version: 4.0 GLS63h V8 BiTurbo Mhev AMG Night Edition Executive Auto 4WD Euro 6 (s/s) 5dr SpdS TCT (623 bhp)
  • Year: 2023
  • Mileage: 27,474 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 7 seats
  • Engine: 4.0 litres, 623 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 291 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Mercedes-Benz GLS AMG Night Edition Executive is advertised with 27,474 miles on the clock. Its asking price of £82,000 is £5,979 below the AskCar estimate of £87,979. The AskCar estimate uses UK dealer asking prices, including 143 Mercedes-Benz GLS adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 118 days ago. Its asking price has since fallen by £10,000. Ask the dealer why the advert shows fewer miles than the 33,106 recorded at the latest MOT. The latest recorded MOT expires on 7 April 2027. It is advertised by Saxtons.co.uk in Chelmsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £5,979 (6%) under the AskCar estimate of £87,979.

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 143 priced Mercedes-Benz GLS adverts across different ages and specifications, as of 8 November 2026.

Time on sale

This 2023 Mercedes-Benz GLS has been on sale for at least 118 days.

Price history

AskCar first saw this advert on 13 July 2026 at £92,000. Its asking price is now £82,000, £10,000 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 14 July 2026: £92,000
  • 31 July 2026: £91,000
  • 12 August 2026: £90,000
  • 25 August 2026: £89,700
  • 10 September 2026: £88,000
  • 25 September 2026: £87,000
  • 6 October 2026: £83,700
  • 21 October 2026: £82,500
  • 4 November 2026: £82,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 7 April 2027.

It has had one MOT, on 8 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 33,106 miles. The advert says 27,474 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 3,100 miles lower than the median mileage of a 2023 Mercedes-Benz GLS on AskCar.

Similar cars

4 other 2023 Mercedes-Benz GLS AMG Night Edition Executive 4.0 petrol automatic SUVs are for sale at UK dealers, from £77,995 to £99,995, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2023 Mercedes-Benz GLS AMG Night Edition Executive, 4.0 petrol SUV, black. Mileage: 20,000 miles. Price: £99,995, £17,995 more than this car. Dealer: Pre5tige Cars in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-555746be5881
  • 2023 Mercedes-Benz GLS AMG Night Edition Executive, 4.0 petrol SUV, black. Mileage: 38,396 miles. Price: £89,990, £7,990 more than this car. Dealer: Redline Specialist Cars in Knaresborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-32d48c94ae54
  • 2023 Mercedes-Benz GLS AMG Night Edition Executive, 4.0 petrol SUV. Mileage: 10,000 miles. Price: £89,995, £7,995 more than this car. Dealer: Kneeton Hill in Nottingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-74e934329460

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

More like this

Photos

47 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.