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: 100,282 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: 172 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 100,282 miles, this 2020 Mercedes-Benz GLC AMG Line Premium has covered about 46,700 more miles than other 2020 Mercedes-Benz GLC cars. The AskCar estimate for this car is £17,160. It is priced at £16,990, which is £170 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,850 Mercedes-Benz GLC cars across different ages and specifications. Since we first spotted the advert 127 days ago, the asking price has dropped by £1,710. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Carworld Car Supermarket in Peterborough. 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: £170 (under 1%) under the AskCar estimate of £17,160.

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 127 days.

Price history

AskCar first saw this advert on 3 July 2026 at £18,700. Its asking price is now £16,990, £1,710 less. The latest price cut was seen on 3 October 2026.

Price changes recorded:

• 3 July 2026: £18,700
• 4 August 2026: £17,990
• 11 September 2026: £17,700
• 3 October 2026: £16,990

Mileage and MOT

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

It has had 5 MOTs. The latest, on 8 April 2026, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened lipped.

Mileage at that test: 97,566 miles, which matches the advertised 100,282 miles.

Advertised mileage is about 46,700 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 £17,000 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, grey. Mileage: 100,000 miles. Price: £18,480, £1,490 more than this car. Dealer: The Car Arena in Kimberley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-7bbe4ddb1dfc
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 95,638 miles. Price: £19,750, £2,760 more than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-463ebcc1f0f0
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 90,288 miles. Price: £18,213, £1,223 more than this car. Dealer: Carsa Mountsorrel in Mountsorrel. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-684617e4fd80

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey, 4 miles from this car. Mileage: 49,875 miles. Price: £25,080, £8,090 more than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-b8a6e480f0d0