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: 74,685 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 is advertised with 74,685 miles, approximately 21,100 above the typical mileage for its age. The dealer is asking £20,798, which is £400 above the AskCar estimate of £20,398. To work out the AskCar estimate, we analyse UK dealer adverts for 2,850 Mercedes-Benz GLC cars across different ages and specifications. This car was first seen in our listings data 7 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Carzar, based in Inverness. 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: £400 (1%) over the AskCar estimate of £20,398.

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 7 days.

Price history

AskCar first saw this advert on 31 October 2026 at £20,798. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 23 May 2027.

It has had 5 MOTs. The latest, on 22 May 2026, passed.

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

Mileage at that test: 72,674 miles, which matches the advertised 74,685 miles.

Advertised mileage is about 21,100 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: 75,116 miles. Price: £19,990, £808 less than this car. Dealer: Stratstone Mercedes-Benz of Ayr in Prestwick. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-1a61d6da0a63
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 76,000 miles. Price: £20,000, £798 less than this car. Dealer: Car Valley in Redbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-c555797e28bf
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, silver. Mileage: 76,885 miles. Price: £19,999, £799 less than this car. Dealer: Total Vehicle Solutions in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-3df379d9aa4f

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue, 80 miles from this car. Mileage: 72,000 miles. Price: £18,995, £1,803 less than this car. Dealer: City Cars Scotland in Aberdeen. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-8298aeedbdc6