2018 Mercedes-Benz GLS 3.0 Grand Edition

Overview

• Make: Mercedes-Benz
• Model: GLS
• Trim: Grand Edition
• Version: 3.0 Grand Edition Auto 4WD Euro 6 5dr (254 bhp)
• Year: 2018
• Mileage: 79,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 203 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 79,000 miles on the clock, this 2018 Mercedes-Benz GLS Grand Edition has done roughly 20,600 more miles than a typical 2018 Mercedes-Benz GLS. Priced at £31,495, it is advertised £675 above the AskCar estimate of £30,820. The AskCar estimate uses UK dealer asking prices, including 143 Mercedes-Benz GLS adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 30 days ago, the asking price has dropped by £1,000. The government's MOT record matches its advertised mileage. It is advertised by LK Cars in Oldham. 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: £675 (2%) over the AskCar estimate of £30,820.

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 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 8 November 2026.

Time on sale

This 2018 Mercedes-Benz GLS has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 9 October 2026 at £32,495. Its asking price is now £31,495, £1,000 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 9 October 2026: £32,495
• 16 October 2026: £31,995
• 24 October 2026: £31,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 11 March 2027.

It has had 7 MOTs. The latest, on 12 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 77,067 miles, which matches the advertised 79,000 miles.

Advertised mileage is about 20,600 miles higher than the median mileage of a 2018 Mercedes-Benz GLS on AskCar.

Similar cars

1 other 2018 Mercedes-Benz GLS Grand Edition 3.0 diesel automatic SUV is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

• 2018 Mercedes-Benz GLS Grand Edition, 3.0 diesel SUV, black. Mileage: 20,536 miles. Price: £43,570, £12,075 more than this car. Dealer: Stratstone Mercedes-Benz Of Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2018-bb95e664605b