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: 62,401 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 172 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 62,401 miles, this 2020 Mercedes-Benz GLC AMG Line Premium has covered about 8,900 more miles than other 2020 Mercedes-Benz GLC cars. The dealer is asking £21,470, which is £681 below the AskCar estimate of £22,151. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. We first saw this car advertised 2 days ago. Its asking price has since fallen by £20. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Big Motoring World Sheffield, based in Rotherham. 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: £681 (3%) under the AskCar estimate of £22,151.

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

AskCar first saw this 2020 Mercedes-Benz GLC advertised 2 days ago. About 4 in 10 of 2020 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 162 of the 371 first advertised between 11 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £21,490. Its asking price is now £21,470, £20 less. The latest price cut was seen on 8 November 2026.

Price changes recorded:

• 6 November 2026: £21,490
• 7 November 2026: £21,480
• 8 November 2026: £21,470

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 21 August 2027.

It has had 4 MOTs. The latest, on 5 August 2026, passed.

Advisories at the latest test: brake disc worn, pitted or scored, but not seriously weakened all; brake pad(s) wearing thin all; front tyre worn close to legal limit/worn on edge both sides; and 1 more.

Mileage at that test: 59,387 miles, which matches the advertised 62,401 miles.

Advertised mileage is about 8,900 miles higher than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

54 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 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, red. Mileage: 62,265 miles. Price: £23,990, £2,520 more than this car. Dealer: Stratstone Mercedes-Benz of Lakeside in Chafford Hundred and West Thurrock. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-403445b431fd
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, silver. Mileage: 62,110 miles. Price: £19,999, £1,471 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-0714dd701363
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 61,000 miles. Price: £21,995, £525 more than this car. Dealer: AGS Automotive in Heathfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-d4c0ab272259

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, white, 1 miles from this car. Mileage: 45,135 miles. Price: £23,995, £2,525 more than this car. Dealer: Stoneacre Rotherham Select in Brinsworth. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-a16dbfa5464c