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: 66,431 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 has covered 66,431 miles, around 8,400 more miles than is typical for its age. The AskCar estimate for this car is £30,408. It is priced at £30,495, which is £87 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 143 Mercedes-Benz GLS cars across different ages and specifications. We first recorded this car for sale 10 days ago. Its advertised mileage matches the government's MOT record. The seller is Sandown Group Mercedes-Benz of 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: £87 (under 1%) over the AskCar estimate of £30,408.

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 10 days.

Price history

AskCar first saw this advert on 29 October 2026 at £30,495. 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 8 November 2026: valid until 1 October 2027.

It has had 5 MOTs. The latest, on 25 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 66,042 miles, which matches the advertised 66,431 miles.

Advertised mileage is about 8,400 miles higher 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, black. Mileage: 66,000 miles. Price: £28,999, £1,496 less than this car. Dealer: ACE Motor Vehicles in Durham. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-30c90ad3bbc3
• 2019 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, white. Mileage: 67,300 miles. Price: £32,489, £1,994 more than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-1154e178e5a8
• 2019 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, black. Mileage: 58,000 miles. Price: £30,990, £495 more than this car. Dealer: LVMC in High Ongar. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-d19d2fce60bd