2025 Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLS
• Trim: AMG Line Premium Plus
• Version: 3.0 GLS450dh Mhev AMG Line Premium Plus G-Tronic 4WD Euro 6 (s/s) 5dr (382 bhp)
• Year: 2025
• Mileage: 5,394 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 7 seats
• Engine: 3.0 litres, 382 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 222 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 Mercedes-Benz GLS AMG Line Premium Plus has covered 5,394 miles. The dealer is asking £70,999, which is £1,792 below the AskCar estimate of £72,791. 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 50 days ago, the asking price has dropped by £7,000. The seller is Lookers Mercedes-Benz of Maidstone, based in Maidstone. 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: £1,792 (2%) under the AskCar estimate of £72,791.

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.

A 2025 Mercedes-Benz GLS with the 3.0 diesel engine is typically advertised at £71,700: the median of the 18 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2025 Mercedes-Benz GLS has been on sale for at least 50 days.

Price history

AskCar first saw this advert on 19 September 2026 at £77,999. Its asking price is now £70,999, £7,000 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 19 September 2026: £77,999
• 20 September 2026: £77,499
• 25 September 2026: £76,999
• 29 September 2026: £76,799
• 2 October 2026: £76,399
• 5 October 2026: £75,999
• 7 October 2026: £75,499
• 13 October 2026: £74,999
• 16 October 2026: £74,799
• 18 October 2026: £74,399
• 23 October 2026: £73,999
• 28 October 2026: £73,399
• 1 November 2026: £72,999
• 3 November 2026: £72,799
• 6 November 2026: £70,999

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 600 miles lower than the median mileage of a 2025 Mercedes-Benz GLS on AskCar.

Similar cars

10 other 2025 Mercedes-Benz GLS AMG Line Premium Plus 3.0 diesel automatic SUVs are for sale at UK dealers, from £67,990 to £83,640, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 4,602 miles. Price: £71,995, £996 more than this car. Dealer: House Of Motors in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-b500a34de359
• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 4,304 miles. Price: £72,990, £1,991 more than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-5f2a46b4bc6c
• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 6,616 miles. Price: £71,500, £501 more than this car. Dealer: Sytner Group Mercedes-Benz of Sunderland in Sunderland. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-fdb81e61311f