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: 28,500 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.9 litres, 325 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 229 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 28,500 miles, this 2023 Mercedes-Benz GLS Night Edition has covered about 2,100 fewer miles than other 2023 Mercedes-Benz GLS cars. Priced at £59,195, it is advertised £615 above the AskCar estimate of £58,580. To work out the AskCar estimate, we analyse UK dealer adverts for 143 Mercedes-Benz GLS cars across different ages and specifications. Since we first spotted the advert 54 days ago, the asking price has dropped by £3,800. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sandown Group Mercedes-Benz of Epsom, based in Epsom. 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: £615 (1%) over the AskCar estimate of £58,580.

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 54 days.

Price history

AskCar first saw this advert on 15 September 2026 at £62,995. Its asking price is now £59,195, £3,800 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 15 September 2026: £62,995
• 3 October 2026: £61,595
• 7 October 2026: £61,195
• 15 October 2026: £60,495
• 21 October 2026: £59,795
• 28 October 2026: £59,195

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 6 May 2027.

It has had 2 MOTs. The latest, on 7 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 22,738 miles, which matches the advertised 28,500 miles.

Advertised mileage is about 2,100 miles lower 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 £57,750, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLS Night Edition, 2.9 diesel SUV, grey. Mileage: 23,173 miles. Price: £57,750, £1,445 less than this car. Dealer: Sytner Group Mercedes-Benz of Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-5fab6de682a1
• 2023 Mercedes-Benz GLS Night Edition, 2.9 diesel SUV, grey. Mileage: 36,270 miles. Price: £56,579, £2,616 less 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, grey. Mileage: 45,000 miles. Price: £51,980, £7,215 less than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-a9d0423e7968