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 Coupe (242 bhp)
• Year: 2020
• Mileage: 45,450 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: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG Line Premium has covered 45,450 miles, around 6,700 fewer miles than is typical for its age. Its asking price of £25,000 is £659 below the AskCar estimate of £25,659. The AskCar estimate uses UK dealer asking prices, including 2,897 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 121 days ago. Its asking price has since fallen by £2,450. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by GSC Essex in Ilford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £659 (2%) under the AskCar estimate of £25,659.

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 2,897 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 5 November 2026.

A 2020 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £22,400: the median of the 208 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 Mercedes-Benz GLC has been on sale for at least 121 days.

Price history

AskCar first saw this advert on 7 July 2026 at £27,450. Its asking price is now £25,000, £2,450 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 7 July 2026: £27,450
• 2 September 2026: £26,450
• 1 October 2026: £25,995
• 4 November 2026: £25,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 10 June 2027.

It has had 6 MOTs. The latest, on 11 June 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 44,349 miles, which matches the advertised 45,450 miles.

Advertised mileage is about 6,700 miles lower than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

53 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 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, white. Mileage: 45,135 miles. Price: £23,995, £1,005 less than this car. Dealer: Stoneacre Rotherham Select in Brinsworth. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-a16dbfa5464c
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 46,555 miles. Price: £23,499, £1,501 less than this car. Dealer: Eastern Western Motor Group Mercedes-Benz of Edinburgh Fort Kinnaird in Edinburgh. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-be10919c614a
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 46,700 miles. Price: £23,362, £1,638 less than this car. Dealer: Oakwood Motor Company in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-df120d9f63cf

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black, 4 miles from this car. Mileage: 76,000 miles. Price: £20,000, £5,000 less than this car. Dealer: Car Valley in Redbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-c555797e28bf