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: 52,442 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

This 2023 Mercedes-Benz GLS Night Edition has covered 52,442 miles, around 18,000 more miles than is typical for its age. The AskCar estimate for this car is £51,808. It is priced at £50,599, which is £1,209 below that estimate. The AskCar estimate uses 134 UK dealer adverts for the Mercedes-Benz GLS, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 3 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Lookers Mercedes-Benz of Eastbourne in Pevensey. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,209 (2%) under the AskCar estimate of £51,808.

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 134 priced Mercedes-Benz GLS adverts across different ages and specifications, as of 2 November 2026.

Time on sale

AskCar first saw this 2023 Mercedes-Benz GLS advertised 3 days ago.

Price history

AskCar first saw this advert on 30 October 2026 at £50,599. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 August 2027.

It has had one MOT, on 18 August 2026, and passed.

Advisories at the latest test: offside front tyre has a cut but not deep enough to reach the ply or cords; offside front tyre slightly damaged; offside front tyre worn close to legal limit/worn on edge; and 2 more.

Mileage at that test: 50,240 miles, which matches the advertised 52,442 miles.

Advertised mileage is about 18,000 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 £52,480 to £59,195, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLS Night Edition, 2.9 diesel SUV, grey. Mileage: 45,000 miles. Price: £52,480, £1,881 more 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: 36,270 miles. Price: £56,579, £5,980 more than this car. Dealer: cinch in Chichester. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-61133a0fdfb3
• 2023 Mercedes-Benz GLS Night Edition, 2.9 diesel SUV, blue. Mileage: 28,500 miles. Price: £59,195, £8,596 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