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: 41,320 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG Line Premium has covered 41,320 miles, around 12,200 fewer miles than is typical for its age. Priced at £24,290, it is advertised £435 below the AskCar estimate of £24,725. 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 24 days ago. Its asking price has since fallen by £200. The government's MOT record matches its advertised mileage. It is advertised by Sinclair Group in Bridgend. 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: £435 (1%) under the AskCar estimate of £24,725.

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 24 days.

Price history

AskCar first saw this advert on 15 October 2026 at £24,490. Its asking price is now £24,290, £200 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 15 October 2026: £24,490
• 22 October 2026: £24,390
• 31 October 2026: £24,380
• 5 November 2026: £24,290

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 7 October 2027.

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

Advisories at the latest test: n/s front brake disc corroded on inner surface; rear tyres wearing thin.

Mileage at that test: 41,141 miles, which matches the advertised 41,320 miles.

Advertised mileage is about 12,200 miles lower 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, black. Mileage: 41,600 miles. Price: £23,000, £1,290 less than this car. Dealer: Kallenhard in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-da8703b46f4f
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 42,201 miles. Price: £25,900, £1,610 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-da1097193310
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 42,850 miles. Price: £21,500, £2,790 less than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-a3e97c888929

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, red, 16 miles from this car. Mileage: 33,422 miles. Price: £26,988, £2,698 more than this car. Dealer: Jeff White Motors in Cardiff. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-644c67ee8864