2018 Mercedes-Benz GLC 2.1 GLC220d AMG Line Premium

Price: £19,900. Fair price: £207 (1%) over the AskCar estimate of £19,693, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,918 priced Mercedes-Benz GLC adverts on AskCar as of 6 November 2026.

AskCar lists 2,951 used Mercedes-Benz GLC from 1,187 UK dealerships, as of 6 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLC
  • Trim: AMG Line Premium
  • Version: 2.1 GLC220d AMG Line Premium G-Tronic 4WD Euro 6 (s/s) 5dr (168 bhp)
  • Year: 2018
  • Mileage: 42,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.1 litres, 168 bhp
  • Gearbox: Automatic (G-Tronic)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 42,000 miles on the clock, this 2018 Mercedes-Benz GLC AMG Line Premium has done roughly 30,200 fewer miles than a typical 2018 Mercedes-Benz GLC. The dealer is asking £19,900, which is £207 above the AskCar estimate of £19,693. To work out the AskCar estimate, we analyse UK dealer adverts for 2,918 Mercedes-Benz GLC cars across different ages and specifications. The asking price is now £550 lower than when we first recorded the advert 89 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Dash Autos in Harrow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £207 (1%) over the AskCar estimate of £19,693.

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 2,918 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 6 November 2026.

A 2018 Mercedes-Benz GLC with the 2.1 diesel engine is typically advertised at £16,500: the median of the 241 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 Mercedes-Benz GLC has been on sale for at least 89 days.

Price history

AskCar first saw this advert on 9 August 2026 at £20,450. Its asking price is now £19,900, £550 less. The latest price cut was seen on 10 September 2026.

Price changes recorded:

  • 9 August 2026: £20,450
  • 2 September 2026: £20,250
  • 4 September 2026: £19,990
  • 10 September 2026: £19,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 18 April 2027.

It has had 7 MOTs. The latest, on 2 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 38,112 miles, which matches the advertised 42,000 miles.

Advertised mileage is about 30,200 miles lower than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

98 other 2018 Mercedes-Benz GLC AMG Line Premium 2.1 diesel automatic SUVs are for sale at UK dealers, from £10,895 to £23,995, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, grey. Mileage: 42,637 miles. Price: £19,995, £95 more than this car. Dealer: Autoever in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-9f96829c6c70
  • 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, grey. Mileage: 40,224 miles. Price: £19,990, £90 more than this car. Dealer: Spa Motors Mid Wales in Brecon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-41163a2b8d17
  • 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, white. Mileage: 44,000 miles. Price: £19,500, £400 less than this car. Dealer: Radley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-1ee6a6da0480
  • The nearest: 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, black, 4 miles from this car. Mileage: 50,987 miles. Price: £18,495, £1,405 less than this car. Dealer: David Ascott Motors in Greenford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-2ffaddf838f5

Browse all Mercedes-Benz GLC cars for sale · 2018 Mercedes-Benz GLC price guide

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Photos

48 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.