2020 Mercedes-Benz GLC 2.0 GLC300d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium Plus
• Version: 2.0 GLC300d AMG Line Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 5dr (242 bhp)
• Year: 2020
• Mileage: 72,292 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Red
• CO2: 174 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 72,292 miles, this 2020 Mercedes-Benz GLC AMG Line Premium Plus has covered about 20,200 more miles than other 2020 Mercedes-Benz GLC cars. The AskCar estimate for this car is £22,483. It is priced at £20,791, which is £1,692 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,897 Mercedes-Benz GLC cars across different ages and specifications. The asking price is now £1,200 lower than when we first recorded the advert 32 days ago. Its advertised mileage matches the government's MOT record. The seller is Swansway Garages Swansway Honda Bolton, based in Bolton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,692 (7%) under the AskCar estimate of £22,483.

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 2,897 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 5 November 2026.

A 2020 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £22,400: the median of the 208 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 Mercedes-Benz GLC has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 4 October 2026 at £21,991. Its asking price is now £20,791, £1,200 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 4 October 2026: £21,991
• 14 October 2026: £21,891
• 17 October 2026: £21,791
• 22 October 2026: £21,591
• 25 October 2026: £20,991
• 29 October 2026: £20,791

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 December 2026.

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

There were no advisories at the latest test.

Mileage at that test: 60,527 miles, which matches the advertised 72,292 miles.

Advertised mileage is about 20,200 miles higher than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

21 other 2020 Mercedes-Benz GLC AMG Line Premium Plus 2.0 diesel automatic SUVs are for sale at UK dealers, from £19,295 to £30,475, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, grey. Mileage: 69,719 miles. Price: £25,140, £4,349 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-5a21bfd62488
• 2020 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, black. Mileage: 66,371 miles. Price: £22,495, £1,704 more than this car. Dealer: E G Automotives in East Grinstead. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-3676f43d7a0a
• 2020 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, red. Mileage: 63,907 miles. Price: £22,999, £2,208 more than this car. Dealer: Eastern Western Motor Group Mercedes-Benz of Dunfermline in Dunfermline. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-c852a35676de

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, grey, 8 miles from this car. Mileage: 89,000 miles. Price: £20,960, £169 more than this car. Dealer: Dace Specialist Car Centre Manchester - Trading Standards Approved in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-e49c35e0c37c