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: 50,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 172 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 50,000 miles on the clock, this 2020 Mercedes-Benz GLC AMG Line Premium has done roughly 3,500 fewer miles than a typical 2020 Mercedes-Benz GLC. Priced at £26,499, it is advertised £2,828 above the AskCar estimate of £23,671. The AskCar estimate uses 2,814 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 84 days ago. Its asking price has since fallen by £496. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Harentor Cars in St. Albans. 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

Above the going rate: £2,828 (11%) over the AskCar estimate of £23,671.

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 84 days.

Price history

AskCar first saw this advert on 16 August 2026 at £26,995. Its asking price is now £26,499, £496 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 16 August 2026: £26,995
• 21 October 2026: £26,500
• 29 October 2026: £26,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 15 November 2026.

It has had 3 MOTs. The latest, on 24 October 2025, passed.

Advisories at the latest test: offside front tyre slightly damaged/cracking or perishing; nearside front lower suspension arm ball joint has slight play.

Mileage at that test: 46,265 miles, which matches the advertised 50,000 miles.

Advertised mileage is about 3,500 miles lower 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, grey. Mileage: 49,875 miles. Price: £25,080, £1,419 less than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-b8a6e480f0d0
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 49,332 miles. Price: £22,506, £3,993 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-ebf23fd09985
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 50,835 miles. Price: £23,199, £3,300 less than this car. Dealer: Lookers Mercedes-Benz of Worcester in Worcester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-d1cc45a1376c

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black, 5 miles from this car. Mileage: 42,850 miles. Price: £21,500, £4,999 less than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-a3e97c888929