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: 67,972 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: 157 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 67,972 miles on the clock, this 2020 Mercedes-Benz GLC AMG Line Premium has done roughly 14,500 more miles than a typical 2020 Mercedes-Benz GLC. Priced at £20,999, it is advertised £334 below the AskCar estimate of £21,333. The AskCar estimate uses 2,814 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 59 days ago, the asking price has dropped by £1,000. The government's MOT record matches its advertised mileage. You can find this car at Total Vehicle Solutions in Glasgow. 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: £334 (1%) under the AskCar estimate of £21,333.

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 59 days.

Price history

AskCar first saw this advert on 10 September 2026 at £21,999. Its asking price is now £20,999, £1,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 10 September 2026: £21,999
• 25 September 2026: £21,499
• 31 October 2026: £20,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 17 May 2027.

It failed its MOT on 12 May 2026 (nearside front brake pad(s) less than 1.5 mm thick; offside front suspension arm ball joint excessively worn; nearside rear tyre tread depth below requirements of 1.6mm) and passed 6 days later, on 18 May 2026.

There were no advisories at the latest test.

Mileage at that test: 66,235 miles, which matches the advertised 67,972 miles.

Advertised mileage is about 14,500 miles higher 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: 66,489 miles. Price: £21,395, £396 more than this car. Dealer: Stratstone Mercedes-Benz of Colchester in Colchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-207fdcff3d12
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue. Mileage: 70,000 miles. Price: £20,980, the same price as this car. Dealer: Ashbourne Automotive in Market Drayton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-973c291a9213
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 71,650 miles. Price: £21,695, £696 more than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-4c2c3a128d0a

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, silver, under a mile from this car. Mileage: 76,885 miles. Price: £19,999, £1,000 less than this car. Dealer: Total Vehicle Solutions in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-3df379d9aa4f