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: 20,536 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 203 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLS Grand Edition is advertised with 20,536 miles, approximately 37,900 below the typical mileage for its age. Priced at £43,570, it is advertised £357 above the AskCar estimate of £43,213. The AskCar estimate draws on 143 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 3 days ago. Its advertised mileage matches the government's MOT record. The seller is Stratstone Mercedes-Benz Of Leeds, based in Leeds. 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

Fair price: £357 (under 1%) over the AskCar estimate of £43,213.

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

AskCar first saw this 2018 Mercedes-Benz GLS advertised 3 days ago.

Price history

AskCar first saw this advert on 4 November 2026 at £43,570. 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: valid until 23 August 2027.

It has had 6 MOTs. The latest, on 22 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 18,362 miles, which matches the advertised 20,536 miles.

Advertised mileage is about 37,900 miles lower 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 7 November 2026.

The closest to this car in mileage:

• 2018 Mercedes-Benz GLS Grand Edition, 3.0 diesel SUV, grey. Mileage: 79,000 miles. Price: £31,495, £12,075 less than this car. Dealer: LK Cars in Uppermill. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2018-1912a03934ce