2023 Mercedes-Benz GLS 2.9 GLS400d Night Edition

Overview

• Make: Mercedes-Benz
• Model: GLS
• Trim: Night Edition
• Version: 2.9 GLS400d Night Edition G-Tronic 4WD Euro 6 (s/s) 5dr (325 bhp)
• Year: 2023
• Mileage: 36,270 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.9 litres, 325 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 36,270 miles on the clock, this 2023 Mercedes-Benz GLS Night Edition has done roughly 5,700 more miles than a typical 2023 Mercedes-Benz GLS. Priced at £56,579, it is advertised £310 above the AskCar estimate of £56,269. The AskCar estimate draws on 143 Mercedes-Benz GLS adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 18 days. The government's MOT record matches its advertised mileage. You can find this car at cinch in Chichester. 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: £310 (under 1%) over the AskCar estimate of £56,269.

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 18 days.

Price history

AskCar first saw this advert on 21 October 2026 at £56,399. Its asking price is now £56,579, £180 more.

Price changes recorded:

• 21 October 2026: £56,399
• 28 October 2026: £56,579

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 5 January 2027.

It has had one MOT, on 19 December 2025, and passed.

Advisories at the latest test: tyre worn close to legal limit/worn on edge both rear; oil leak, but not excessive.

Mileage at that test: 28,958 miles, which matches the advertised 36,270 miles.

Advertised mileage is about 5,700 miles higher than the median mileage of a 2023 Mercedes-Benz GLS on AskCar.

Similar cars

4 other 2023 Mercedes-Benz GLS Night Edition 2.9 diesel automatic SUVs are for sale at UK dealers, from £50,599 to £59,195, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLS Night Edition, 2.9 diesel SUV, blue. Mileage: 28,500 miles. Price: £59,195, £2,616 more than this car. Dealer: Sandown Group Mercedes-Benz of Epsom in Epsom. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-2fbaee3648b2
• 2023 Mercedes-Benz GLS Night Edition, 2.9 diesel SUV, grey. Mileage: 45,000 miles. Price: £51,980, £4,599 less than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-a9d0423e7968
• 2023 Mercedes-Benz GLS Night Edition, 2.9 diesel SUV, grey. Mileage: 23,173 miles. Price: £57,750, £1,171 more than this car. Dealer: Sytner Group Mercedes-Benz of Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-5fab6de682a1