2018 Mercedes-Benz GLC 2.1 GLC220d AMG Line

Price: £14,998. Good value: £1,314 (8%) under the AskCar estimate of £16,312, 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
  • Version: 2.1 GLC220d AMG Line G-Tronic 4WD Euro 6 (s/s) 5dr Coupe (168 bhp)
  • Year: 2018
  • Mileage: 78,838 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.1 litres, 168 bhp
  • Gearbox: Automatic (G-Tronic)
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 143 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 78,838 miles, this 2018 Mercedes-Benz GLC AMG Line has covered about 6,800 more miles than other 2018 Mercedes-Benz GLC cars. The dealer is asking £14,998, which is £1,314 below the AskCar estimate of £16,312. To work out the AskCar estimate, we analyse UK dealer adverts for 2,850 Mercedes-Benz GLC cars across different ages and specifications. We first recorded this advert 86 days ago, and its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Glasgow Royston Road SEAT / CUPRA, based in Glasgow. 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

Good value: £1,314 (8%) under the AskCar estimate of £16,312.

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 2018 Mercedes-Benz GLC with the 2.1 diesel engine is typically advertised at £16,500: the median of the 239 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Mercedes-Benz GLC has been on sale for at least 86 days.

Price history

AskCar first saw this advert on 13 August 2026 at £15,998. Its asking price is now £14,998, £1,000 less. The latest price cut was seen on 19 September 2026.

Price changes recorded:

  • 13 August 2026: £15,998
  • 19 September 2026: £14,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 30 August 2027.

It has had 7 MOTs. The latest, on 31 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 78,843 miles, which matches the advertised 78,838 miles.

Advertised mileage is about 6,800 miles higher than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

60 other 2018 Mercedes-Benz GLC AMG Line 2.1 diesel automatic SUVs are for sale at UK dealers, from £11,500 to £24,899, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, white. Mileage: 79,000 miles. Price: £18,995, £3,997 more than this car. Dealer: CarSelect1 in Kilmarnock. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-854f86d983ae
  • 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, black. Mileage: 79,500 miles. Price: £14,494, £504 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-4946e7e4594b
  • 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, black. Mileage: 78,000 miles. Price: £14,795, £203 less than this car. Dealer: LM Motors Group in Worksop. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-b03272a3e93c

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

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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.