2020 Mercedes-Benz GLC 2.0 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium
• Version: 2.0 AMG Line Premium Auto 4WD Euro 6 5dr
• Year: 2020
• Mileage: 66,489 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 181 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG Line Premium has covered 66,489 miles. Its asking price of £21,395 is £226 above the AskCar estimate of £21,169. The AskCar estimate uses UK dealer asking prices, including 2,814 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 11 days ago, the asking price has dropped by £295. The advertised mileage is lower than the latest MOT reading of 67,096 miles. Ask the dealer to explain. MOT records show an expiry date of 25 October 2027. The seller is Stratstone Mercedes-Benz of Colchester, based in Colchester. 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: £226 (1%) over the AskCar estimate of £21,169.

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 11 days.

Price history

AskCar first saw this advert on 28 October 2026 at £21,690. Its asking price is now £21,395, £295 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 28 October 2026: £21,690
• 5 November 2026: £21,395

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 25 October 2027.

It has had 5 MOTs. The latest, on 26 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 67,096 miles. The advert says 66,489 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 13,000 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: 67,972 miles. Price: £20,999, £396 less than this car. Dealer: Total Vehicle Solutions in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-53e77095739a
• 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue. Mileage: 70,000 miles. Price: £20,980, £415 less than 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: 62,401 miles. Price: £21,470, £75 more than this car. Dealer: Big Motoring World Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-c849f29bbc53

• The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue, 16 miles from this car. Mileage: 35,598 miles. Price: £24,950, £3,555 more than this car. Dealer: Stratstone Mercedes-Benz of Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-d416fd305e8d