2020 Mercedes-Benz GLC 2.0 AMG Line Premium

Price: £22,998. Fair price: £1,627 (7%) over the AskCar estimate of £21,371, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,850 priced Mercedes-Benz GLC adverts on AskCar as of 7 November 2026.

AskCar lists 2,954 used Mercedes-Benz GLC from 1,193 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLC
  • Trim: AMG Line Premium
  • Version: 2.0 AMG Line Premium Auto 4WD Euro 6 5dr
  • Year: 2020
  • Mileage: 66,764 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 165 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 66,764 miles on the clock, this 2020 Mercedes-Benz GLC AMG Line Premium has done roughly 13,200 more miles than a typical 2020 Mercedes-Benz GLC. Its asking price of £22,998 is £1,627 above the AskCar estimate of £21,371. The AskCar estimate draws on 2,850 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 109 days ago, and its asking price has since fallen by £1,000. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Ayr Kia, based in AYR. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,627 (7%) over the AskCar estimate of £21,371.

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 2,850 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £22,000: the median of the 212 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Mercedes-Benz GLC has been on sale for at least 109 days.

Price history

AskCar first saw this advert on 21 July 2026 at £23,998. Its asking price is now £22,998, £1,000 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 21 July 2026: £23,998
  • 25 September 2026: £23,498
  • 23 October 2026: £22,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 20 July 2027.

It failed its MOT on 20 July 2026 (nearside headlamp aim too low; offside headlamp aim too low; nearside front coil spring fractured or broken; and 1 more) and passed 1 day later, on 21 July 2026.

There were no advisories at the latest test.

Mileage at that test: 66,779 miles, which matches the advertised 66,764 miles.

Advertised mileage is about 13,200 miles higher than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

2 other 2020 Mercedes-Benz GLC AMG Line Premium 2.0 diesel automatic estates are for sale at UK dealers, from £23,995 to £26,995, as of 7 November 2026.

The 2 closest to this car in mileage:

  • 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel estate, black. Mileage: 55,437 miles. Price: £23,995, £997 more than this car. Dealer: Crawford Clarke Cars in Belfast. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-a74a58b24283
  • 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel estate, grey. Mileage: 25,738 miles. Price: £26,995, £3,997 more than this car. Dealer: Park's Motor Group LEPAS Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-e651fbed60f6

Browse all Mercedes-Benz GLC cars for sale · 2020 Mercedes-Benz GLC price guide

More like this

Photos

20 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.