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: 42,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (9G-Tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 210 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2019 Mercedes-Benz GLS AMG Line is advertised with 42,000 miles, approximately 14,500 below the typical mileage for its age. The AskCar estimate for this car is £34,891. It is priced at £35,500, which is £609 above that estimate. The AskCar estimate draws on 142 Mercedes-Benz GLS adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. Its advertised mileage matches the government's MOT record. 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 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £609 (1%) over the AskCar estimate of £34,891.

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 2019 Mercedes-Benz GLS with the 3.0 diesel engine is typically advertised at £35,500: the median of the 15 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2019 Mercedes-Benz GLS advertised today.

Price history

AskCar first saw this advert on 10 November 2026 at £35,500. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 9 August 2027.

It has had 6 MOTs. The latest, on 10 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,662 miles, which matches the advertised 42,000 miles.

Advertised mileage is about 14,500 miles lower than the median mileage of a 2019 Mercedes-Benz GLS on AskCar.

Similar cars

6 other 2019 Mercedes-Benz GLS AMG Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £28,999 to £31,489, as of 10 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, £5,505 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: 56,500 miles. Price: £31,240, £4,260 less than this car. Dealer: Stratstone Mercedes-Benz of Lakeside in Chafford Hundred and West Thurrock. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-60f5478934c6
• 2019 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, black. Mileage: 58,000 miles. Price: £30,990, £4,510 less than this car. Dealer: LVMC in High Ongar. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-d19d2fce60bd

• The nearest: 2019 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, grey, 59 miles from this car. Mileage: 66,431 miles. Price: £30,495, £5,005 less than this car. Dealer: Sandown Group Mercedes-Benz of Poole in Poole. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-06d0969f3540