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

Price: £17,495. Fair price: £741 (4%) over the AskCar estimate of £16,754, 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 Plus
  • Version: 3.0 GLC350d V6 AMG Line Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 5dr (254 bhp)
  • Year: 2018
  • Mileage: 101,334 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 254 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 169 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 101,334 miles on the clock, this 2018 Mercedes-Benz GLC AMG Line Premium Plus has done roughly 29,300 more miles than a typical 2018 Mercedes-Benz GLC. Priced at £17,495, it is advertised £741 above the AskCar estimate of £16,754. The AskCar estimate draws on 2,850 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 150 days. The latest recorded MOT expiry date is 29 October 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Blackline Motors in Oldham. 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: £741 (4%) over the AskCar estimate of £16,754.

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 3.0 diesel engine is typically advertised at £20,000: the median of the 49 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Mercedes-Benz GLC has been on sale for at least 150 days.

Price history

AskCar first saw this advert on 10 June 2026 at £17,495. 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 7 November 2026: the latest record we hold ran out on 29 October 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 10 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 98,502 miles, which matches the advertised 101,334 miles.

Advertised mileage is about 29,300 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 7 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 102,000 miles. Price: £16,500, £995 less than this car. Dealer: Drive Time Specialist Cars in West Bromwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-bfc9b9e434f2
  • 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, blue. Mileage: 102,650 miles. Price: £16,495, £1,000 less than this car. Dealer: Immense Motors in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-63b6d0e80e61
  • 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 94,563 miles. Price: £16,690, £805 less than this car. Dealer: Driven Car Sales in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-475f76e2b56f
  • The nearest: 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, grey, 5 miles from this car. Mileage: 57,287 miles. Price: £20,990, £3,495 more than this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-1ca31e671f81

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

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Photos

76 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.