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: 8,458 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 8,458 miles. The AskCar estimate for this car is £71,573. It is priced at £70,000, which is £1,573 below that estimate. The AskCar estimate uses 143 UK dealer adverts for the Mercedes-Benz GLS, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 161 days ago, the asking price has dropped by £16,000. The seller is Sytner Group Mercedes-Benz of Swindon, based in Swindon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,573 (2%) under the AskCar estimate of £71,573.

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 6 November 2026.

A 2025 Mercedes-Benz GLS with the 3.0 diesel engine is typically advertised at £72,000: the median of the 19 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2025 Mercedes-Benz GLS has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 29 May 2026 at £86,000. Its asking price is now £70,000, £16,000 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 29 May 2026: £86,000
• 17 June 2026: £84,850
• 20 June 2026: £81,850
• 4 July 2026: £81,000
• 24 July 2026: £78,850
• 14 August 2026: £76,850
• 22 August 2026: £74,850
• 3 September 2026: £76,500
• 22 September 2026: £75,000
• 6 October 2026: £74,000
• 17 October 2026: £71,990
• 27 October 2026: £71,000
• 3 November 2026: £70,000

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,800 miles higher than the median mileage of a 2025 Mercedes-Benz GLS on AskCar.

Similar cars

11 other 2025 Mercedes-Benz GLS AMG Line Premium Plus 3.0 diesel automatic SUVs are for sale at UK dealers, from £67,990 to £84,720, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 8,777 miles. Price: £75,690, £5,690 more than this car. Dealer: Group 1 Automotive Mercedes-Benz of Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-6826c3bf85e6
• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 8,026 miles. Price: £72,990, £2,990 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: 9,006 miles. Price: £68,990, £1,010 less than this car. Dealer: Group 1 Automotive Mercedes-Benz of Stevenage in Stevenage. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-d5d0e7115aab

• The nearest: 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black, 59 miles from this car. Mileage: 15,020 miles. Price: £67,990, £2,010 less than this car. Dealer: Marshall Motor Group Lamborghini Poole in Poole. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-07ace323788a