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: 6,616 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 6,616 miles. The AskCar estimate for this car is £73,024. It is priced at £71,500, which is £1,524 below that estimate. The AskCar estimate draws on 142 Mercedes-Benz GLS adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 165 days ago, and its asking price has since fallen by £14,500. The seller is Sytner Group Mercedes-Benz of Sunderland, based in Sunderland. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,524 (2%) under the AskCar estimate of £73,024.

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 142 priced Mercedes-Benz GLS adverts across different ages and specifications, as of 10 November 2026.

A 2025 Mercedes-Benz GLS with the 3.0 diesel engine is typically advertised at £73,000: the median of the 16 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2025 Mercedes-Benz GLS has been on sale for at least 165 days.

Price history

AskCar first saw this advert on 29 May 2026 at £86,000. Its asking price is now £71,500, £14,500 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 29 May 2026: £86,000
• 17 June 2026: £85,000
• 26 June 2026: £84,500
• 30 June 2026: £83,500
• 13 July 2026: £82,500
• 31 July 2026: £82,250
• 14 August 2026: £81,000
• 24 August 2026: £79,999
• 2 September 2026: £75,500
• 14 October 2026: £73,500
• 24 October 2026: £72,500
• 6 November 2026: £71,500

Mileage and MOT

MOT: first test not yet due.

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

Similar cars

8 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 10 November 2026.

The 3 closest to this car in mileage:

• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 5,394 miles. Price: £70,499, £1,001 less than this car. Dealer: Lookers Mercedes-Benz of Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-33a2aa10c7b0
• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 8,026 miles. Price: £72,990, £1,490 more than this car. Dealer: Stratstone Mercedes-Benz Of Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-2f1ade974826
• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 4,602 miles. Price: £71,995, £495 more than this car. Dealer: House Of Motors in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-b500a34de359