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 Coupe (242 bhp)
• Year: 2020
• Mileage: 33,422 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: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 33,422 miles, this 2020 Mercedes-Benz GLC AMG Line Premium has covered about 20,100 fewer miles than other 2020 Mercedes-Benz GLC cars. Priced at £26,988, it is advertised £376 below the AskCar estimate of £27,364. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. We first saw this car advertised 164 days ago. Its asking price has since fallen by £1,000. The government's MOT record matches its advertised mileage. It is advertised by Jeff White Motors in Cardiff. 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: £376 (1%) under the AskCar estimate of £27,364.

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 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £27,988. Its asking price is now £26,988, £1,000 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 29 May 2026: £27,988
• 18 July 2026: £27,488
• 23 October 2026: £26,988

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 3 February 2027.

It has had 5 MOTs. The latest, on 22 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,443 miles, which matches the advertised 33,422 miles.

Advertised mileage is about 20,100 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, grey. Mileage: 33,381 miles. Price: £24,800, £2,188 less than this car. Dealer: Big Motoring World Wimbledon in Wimbledon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-a6488ff2edbc
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue. Mileage: 35,598 miles. Price: £24,950, £2,038 less than this car. Dealer: Stratstone Mercedes-Benz of Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-d416fd305e8d
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 36,985 miles. Price: £24,995, £1,993 less than this car. Dealer: Hawkes Car Centre in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-92f73df546c8

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black, 2 miles from this car. Mileage: 47,110 miles. Price: £21,810, £5,178 less than this car. Dealer: BUY & Go Cars in Cardiff. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-e6769728e3ba