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: 47,667 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

This 2020 Mercedes-Benz GLC AMG Line Premium is advertised with 47,667 miles, approximately 5,900 below the typical mileage for its age. The AskCar estimate for this car is £23,961. It is priced at £22,440, which is £1,521 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. The asking price is now £7,700 lower than when we first recorded the advert 46 days ago. Our records show an MOT expiry date of 30 October 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Big Motoring World Blue Bell Hill in Chatham. 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: £1,521 (6%) under the AskCar estimate of £23,961.

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 46 days.

Price history

AskCar first saw this advert on 22 September 2026 at £30,140. Its asking price is now £22,440, £7,700 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 22 September 2026: £30,140
• 23 September 2026: £23,760
• 24 September 2026: £23,740
• 25 September 2026: £23,690
• 26 September 2026: £23,680
• 27 September 2026: £23,660
• 29 September 2026: £23,600
• 30 September 2026: £23,590
• 1 October 2026: £23,550
• 3 October 2026: £23,600
• 6 October 2026: £23,570
• 7 October 2026: £23,550
• 8 October 2026: £23,570
• 9 October 2026: £23,550
• 10 October 2026: £23,520
• 13 October 2026: £22,850
• 14 October 2026: £22,840
• 17 October 2026: £22,710
• 21 October 2026: £22,450
• 29 October 2026: £22,180
• 30 October 2026: £22,700
• 3 November 2026: £22,460
• 7 November 2026: £22,440

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 31 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 40,921 miles, which matches the advertised 47,667 miles.

Advertised mileage is about 5,900 miles lower 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, black. Mileage: 47,110 miles. Price: £21,810, £630 less than this car. Dealer: BUY & Go Cars in Cardiff. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-e6769728e3ba
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 46,700 miles. Price: £23,362, £922 more than this car. Dealer: Oakwood Motor Company in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-df120d9f63cf
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 46,555 miles. Price: £23,499, £1,059 more 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

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black, under a mile from this car. Mileage: 27,742 miles. Price: £24,040, £1,600 more than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-f721565685e9