2019 Mercedes-Benz GLS 3.0 AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLS
• Trim: AMG Line
• Version: 3.0 350d AMG Line 9G-Tronic 4WD Euro 6 5dr (254 bhp)
• Year: 2019
• Mileage: 56,500 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (9G-Tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 210 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2019 Mercedes-Benz GLS AMG Line has covered 56,500 miles. The dealer is asking £31,490, which is £950 below the AskCar estimate of £32,440. To work out the AskCar estimate, we analyse UK dealer adverts for 143 Mercedes-Benz GLS cars across different ages and specifications. We first saw this car advertised 58 days ago. Its asking price has since fallen by £2,843. The government's MOT record matches its advertised mileage. It is advertised by Stratstone Mercedes-Benz of Lakeside in West Thurrock. 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: £950 (2%) under the AskCar estimate of £32,440.

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 2019 Mercedes-Benz GLS with the 3.0 diesel engine is typically advertised at £33,000: the median of the 13 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2019 Mercedes-Benz GLS has been on sale for at least 58 days.

Price history

AskCar first saw this advert on 11 September 2026 at £34,333. Its asking price is now £31,490, £2,843 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 11 September 2026: £34,333
• 22 September 2026: £32,999
• 3 October 2026: £32,499
• 10 October 2026: £32,990
• 21 October 2026: £32,490
• 22 October 2026: £31,990
• 3 November 2026: £31,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 20 May 2027.

It has had 5 MOTs. The latest, on 21 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 54,851 miles, which matches the advertised 56,500 miles.

Advertised mileage is about 1,500 miles lower than the median mileage of a 2019 Mercedes-Benz GLS on AskCar.

Similar cars

5 other 2019 Mercedes-Benz GLS AMG Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £28,999 to £32,489, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2019 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, white. Mileage: 55,162 miles. Price: £29,995, £1,495 less than this car. Dealer: House Of Motors in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-8d398b004f4d
• 2019 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, black. Mileage: 58,000 miles. Price: £30,990, £500 less than this car. Dealer: LVMC in High Ongar. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-d19d2fce60bd
• 2019 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, black. Mileage: 66,000 miles. Price: £28,999, £2,491 less than this car. Dealer: ACE Motor Vehicles in Durham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-30c90ad3bbc3