2020 Mercedes-Benz GLC 2.0 GLC300d AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium
• Version: 2.0 GLC300d AMG Line Premium G-Tronic+ 4WD Euro 6 (s/s) 5dr (242 bhp)
• Year: 2020
• Mileage: 100,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Grey
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG Line Premium is advertised with 100,000 miles, approximately 46,400 above the typical mileage for its age. The AskCar estimate for this car is £17,191. It is priced at £18,480, which is £1,289 above that estimate. The AskCar estimate draws on 2,850 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 32 days. You can find this car at The Car Arena in Nottingham. 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: £1,289 (7%) over the AskCar estimate of £17,191.

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 2,850 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £22,000: the median of the 212 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Mercedes-Benz GLC has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 6 October 2026 at £18,480. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 46,400 miles higher than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

57 other 2020 Mercedes-Benz GLC AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,990 to £28,433, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, white. Mileage: 100,282 miles. Price: £16,990, £1,490 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-9c1645d9e60c
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 95,638 miles. Price: £19,750, £1,270 more than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-463ebcc1f0f0
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 90,288 miles. Price: £18,213, £267 less than this car. Dealer: Carsa Mountsorrel in Mountsorrel. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-684617e4fd80

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, red, 10 miles from this car. Mileage: 29,712 miles. Price: £28,433, £9,953 more than this car. Dealer: Group 1 Automotive Mercedes-Benz Of Derby in Derby. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-f3e9ec53b3c8