2018 Mercedes-Benz GLC 3.0 GLC350d V6 AMG Line Premium Plus

Price: £19,800. Fair price: £1,196 (6%) over the AskCar estimate of £18,604, 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 Plus
  • Version: 3.0 GLC350d V6 AMG Line Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 5dr Coupe (254 bhp)
  • Year: 2018
  • Mileage: 94,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 254 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 169 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLC AMG Line Premium Plus has covered 94,000 miles, around 21,800 more miles than is typical for its age. The AskCar estimate for this car is £18,604. It is priced at £19,800, which is £1,196 above that estimate. The AskCar estimate uses UK dealer asking prices, including 2,918 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Motonet.com in Coventry. 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: £1,196 (6%) over the AskCar estimate of £18,604.

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 3.0 diesel engine is typically advertised at £20,000: the median of the 51 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2018 Mercedes-Benz GLC advertised 1 day ago. About half of 2018 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 245 of the 519 first advertised between 9 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £19,800. Its asking price has not changed.

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 February 2027.

It has had 6 MOTs. The latest, on 19 February 2026, passed.

Advisories at the latest test: offside front upper suspension arm ball joint has slight play wishbone ball joint; rear inner brake pad(s) wearing thin; nearside rear brake disc worn, pitted or scored, but not seriously weakened; and 1 more.

Mileage at that test: 91,253 miles, which matches the advertised 94,000 miles.

Advertised mileage is about 21,800 miles higher than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

20 other 2018 Mercedes-Benz GLC AMG Line Premium Plus 3.0 diesel automatic SUVs are for sale at UK dealers, from £13,999 to £22,250, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 94,563 miles. Price: £16,690, £3,110 less than this car. Dealer: Driven Car Sales in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-475f76e2b56f
  • 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, grey. Mileage: 92,461 miles. Price: £17,995, £1,805 less than this car. Dealer: TF Car Centre in Euxton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-b4f61cf3d34f
  • 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, blue. Mileage: 88,802 miles. Price: £15,750, £4,050 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-fff1ba907fd3
  • The nearest: 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, white, 10 miles from this car. Mileage: 56,248 miles. Price: £20,988, £1,188 more than this car. Dealer: Junction 17 Cars (Rugby) in Rugby. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-de5333e61b2d

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

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Photos

47 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.