2018 Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLS
• Trim: AMG Line
• Version: 3.0 GLS350d V6 AMG Line G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)
• Year: 2018
• Mileage: 108,190 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 199 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLS AMG Line is advertised with 108,190 miles, approximately 49,800 above the typical mileage for its age. The AskCar estimate for this car is £21,652. It is priced at £23,500, which is £1,848 above that estimate. The AskCar estimate uses UK dealer asking prices, including 143 Mercedes-Benz GLS adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 78 days. Our latest MOT record expired on 23 July 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. It is for sale at Rainford Cars in Ellesmere Port. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,848 (8%) over the AskCar estimate of £21,652.

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 7 November 2026.

A 2018 Mercedes-Benz GLS with the 3.0 diesel engine is typically advertised at £30,000: the median of the 15 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Mercedes-Benz GLS has been on sale for at least 78 days.

Price history

AskCar first saw this advert on 21 August 2026 at £23,500. 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 7 November 2026: the latest record we hold ran out on 23 July 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 22 July 2025, passed.

Advisories at the latest test: nearside rear position lamp with a multiple light source up to 1/2 not functioning; nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; and 5 more.

Mileage at that test: 97,843 miles, which matches the advertised 108,190 miles.

Advertised mileage is about 49,800 miles higher than the median mileage of a 2018 Mercedes-Benz GLS on AskCar.

Similar cars

10 other 2018 Mercedes-Benz GLS AMG Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £25,500 to £37,500, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, silver. Mileage: 85,647 miles. Price: £25,500, £2,000 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2018-6dd3f15d08f4
• 2018 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, silver. Mileage: 73,083 miles. Price: £30,663, £7,163 more than this car. Dealer: Lookers Mercedes-Benz of Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2018-cbd84dd04d6e
• 2018 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, white. Mileage: 68,750 miles. Price: £28,989, £5,489 more than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2018-c1d4836b79e9

• The nearest: 2018 Mercedes-Benz GLS AMG Line, 3.0 diesel SUV, white, 28 miles from this car. Mileage: 47,220 miles. Price: £28,899, £5,399 more than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2018-9285f4710095