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: 79,214 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: White
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG Line Premium has covered 79,214 miles, around 25,700 more miles than is typical for its age. The AskCar estimate for this car is £19,775. It is priced at £19,990, which is £215 above that estimate. The AskCar estimate draws on 2,814 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 67 days ago. Its asking price has since fallen by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Neil Kieran Automotive, based in Darlington. 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: £215 (1%) over the AskCar estimate of £19,775.

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 67 days.

Price history

AskCar first saw this advert on 2 September 2026 at £20,490. Its asking price is now £19,990, £500 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 2 September 2026: £20,490
• 14 October 2026: £19,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 9 March 2027.

It failed its MOT on 5 March 2026 (offside front tyre has a bulge, caused by separation or partial failure of its structure) and passed later the same day.

Advisories at the latest test: front brake pad(s) wearing thin; nearside front suspension arm ball joint has slight play; offside front suspension arm ball joint has slight play; and 1 more.

Mileage at that test: 63,521 miles, which matches the advertised 79,214 miles.

Advertised mileage is about 25,700 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, grey. Mileage: 79,102 miles. Price: £19,998, the same price as this car. Dealer: Arnold Clark Linwood Kia in Linwood. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-97bc14195143
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, silver. Mileage: 78,073 miles. Price: £20,995, £1,005 more than this car. Dealer: Agnew Group Mercedes-Benz Of Belfast in Belfast. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-2019182ad88c
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 77,663 miles. Price: £19,150, £840 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-062f750298fb

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, white, 63 miles from this car. Mileage: 38,407 miles. Price: £24,247, £4,257 more than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-e9c214b59c0b