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: 15,020 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 is advertised with 15,020 miles, approximately 9,000 above the typical mileage for its age. The dealer is asking £67,990, which is £403 below the AskCar estimate of £68,393. 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 164 days ago, the asking price has dropped by £17,900. The seller is Marshall Motor Group Lamborghini Poole, based in Poole. 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: £403 (under 1%) under the AskCar estimate of £68,393.

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 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £85,890. Its asking price is now £67,990, £17,900 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 28 May 2026: £85,890
• 16 June 2026: £84,990
• 18 June 2026: £82,790
• 23 June 2026: £81,290
• 4 July 2026: £79,990
• 14 July 2026: £78,990
• 23 July 2026: £74,990
• 3 September 2026: £72,900
• 13 September 2026: £72,490
• 30 September 2026: £74,990
• 10 October 2026: £69,980
• 16 October 2026: £68,990
• 21 October 2026: £68,890
• 29 October 2026: £67,990

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 9,000 miles higher 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 £68,490 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: 10,269 miles. Price: £83,640, £15,650 more than this car. Dealer: Mercedes-Benz South West Mercedes Benz Of Exeter in Exeter. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-9687e76fe514
• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 9,006 miles. Price: £68,490, £500 more 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
• 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 8,777 miles. Price: £75,690, £7,700 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

• The nearest: 2025 Mercedes-Benz GLS AMG Line Premium Plus, 3.0 diesel SUV, black, 59 miles from this car. Mileage: 8,458 miles. Price: £69,000, £1,010 more than this car. Dealer: Sytner Group Mercedes-Benz of Swindon in Swindon. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-0bf96f64fb3f