2018 Mercedes-Benz GLS 5.5 GLS63 V8 AMG
Price: £43,490. Good value: £6,769 (13%) under the AskCar estimate of £50,259, our expected asking price for this car from its model, age, mileage and specification, drawing on 143 priced Mercedes-Benz GLS adverts on AskCar as of 7 November 2026.
AskCar lists 150 used Mercedes-Benz GLS from 116 UK dealerships, as of 7 November 2026.
Overview
- Make: Mercedes-Benz
- Model: GLS
- Trim: AMG
- Version: 5.5 GLS63 V8 AMG Auto 4WD Euro 6 (s/s) 5dr SpdS+7GT (577 bhp)
- Year: 2018
- Mileage: 49,364 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 7 seats
- Engine: 5.5 litres, 577 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: White
- CO2: 288 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Mercedes-Benz GLS AMG has covered 49,364 miles, around 9,000 fewer miles than is typical for its age. Priced at £43,490, it is advertised £6,769 below the AskCar estimate of £50,259. 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 advert 4 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. It is advertised by Car City UK Catterick in Catterick Garrison. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Good value: £6,769 (13%) under the AskCar estimate of £50,259.
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.
Time on sale
AskCar first saw this 2018 Mercedes-Benz GLS advertised 4 days ago.
Price history
AskCar first saw this advert on 3 November 2026 at £43,990. Its asking price is now £43,490, £500 less. The latest price cut was seen on 6 November 2026.
Price changes recorded:
- 3 November 2026: £43,990
- 6 November 2026: £43,490
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 20 March 2027.
It has had 7 MOTs. The latest, on 6 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 47,626 miles, which matches the advertised 49,364 miles.
Advertised mileage is about 9,000 miles lower than the median mileage of a 2018 Mercedes-Benz GLS on AskCar.
Browse all Mercedes-Benz GLS cars for sale · 2018 Mercedes-Benz GLS price guide
More like this
Photos
38 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.