2020 Mercedes-Benz GLC 2.0 GLC300d AMG Line Ultimate
Price: £24,490. Fair price: £679 (2%) over the AskCar estimate of £23,811, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,814 priced Mercedes-Benz GLC adverts on AskCar as of 8 November 2026.
AskCar lists 2,918 used Mercedes-Benz GLC from 1,187 UK dealerships, as of 8 November 2026.
Overview
- Make: Mercedes-Benz
- Model: GLC
- Trim: AMG Line Ultimate
- Version: 2.0 GLC300d AMG Line Ultimate G-Tronic+ 4WD Euro 6 (s/s) 5dr (242 bhp)
- Year: 2020
- Mileage: 63,831 miles
- Fuel: Diesel
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 242 bhp
- Gearbox: Automatic (G-Tronic+)
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 154 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 63,831 miles on the clock, this 2020 Mercedes-Benz GLC AMG Line Ultimate has done roughly 10,300 more miles than a typical 2020 Mercedes-Benz GLC. The dealer is asking £24,490, which is £679 above the AskCar estimate of £23,811. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. It first appeared in our advert records 35 days ago. Its advertised mileage matches the government's MOT record. The seller is Quins Specialist Cars, based in Swindon. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £679 (2%) over the AskCar estimate of £23,811.
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 2,814 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 8 November 2026.
A 2020 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £22,000: the median of the 209 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2020 Mercedes-Benz GLC has been on sale for at least 35 days.
Price history
AskCar first saw this advert on 4 October 2026 at £24,490. 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 20 May 2027.
It failed its MOT on 21 May 2026 (nearside front outer tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.
Advisories at the latest test: nearside front brake pad(s) wearing thin; offside front brake pad(s) wearing thin; nearside front brake disc worn, pitted or scored, but not seriously weakened; and 3 more.
Mileage at that test: 58,746 miles, which matches the advertised 63,831 miles.
Advertised mileage is about 10,300 miles higher than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.
Browse all Mercedes-Benz GLC cars for sale · 2020 Mercedes-Benz GLC price guide
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Photos
32 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.