2018 Mercedes-Benz GLC 2.1 AMG Line Premium Plus

Price: £12,990. Fair price: £605 (4%) under the AskCar estimate of £13,595, 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: 2.1 AMG Line Premium Plus Auto 4WD Euro 6 5dr
  • Year: 2018
  • Mileage: 111,635 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.1 litres
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 163 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLC AMG Line Premium Plus is advertised with 111,635 miles, approximately 39,600 above the typical mileage for its age. The dealer is asking £12,990, which is £605 below the AskCar estimate of £13,595. To work out the AskCar estimate, we analyse UK dealer adverts for 2,850 Mercedes-Benz GLC cars across different ages and specifications. The asking price is now £300 lower than when we first recorded the advert 22 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Auto Zone Peterborough, based in Peterborough. 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: £605 (4%) under the AskCar estimate of £13,595.

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 22 days.

Price history

AskCar first saw this advert on 16 October 2026 at £13,290. Its asking price is now £12,990, £300 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

  • 17 October 2026: £13,290
  • 31 October 2026: £12,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 14 January 2027.

It failed its MOT on 9 January 2026 (nearside front outer drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt; offside front outer drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt; offside rear tyre tread depth below requirements of 1.6mm 235/55/19) and passed 6 days later, on 15 January 2026.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; rear brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 102,033 miles, which matches the advertised 111,635 miles.

Advertised mileage is about 39,600 miles higher than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

29 other 2018 Mercedes-Benz GLC AMG Line Premium Plus 2.1 diesel automatic SUVs are for sale at UK dealers, from £12,990 to £22,550, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mercedes-Benz GLC AMG Line Premium Plus, 2.1 diesel SUV, blue. Mileage: 113,915 miles. Price: £13,990, £1,000 more than this car. Dealer: Hulton Motors in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-8efe251b0634
  • 2018 Mercedes-Benz GLC AMG Line Premium Plus, 2.1 diesel SUV, grey. Mileage: 108,455 miles. Price: £13,990, £1,000 more than this car. Dealer: Heartys of Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-79539bdf2cca
  • 2018 Mercedes-Benz GLC AMG Line Premium Plus, 2.1 diesel SUV, black. Mileage: 115,000 miles. Price: £13,995, £1,005 more than this car. Dealer: Knightsbridge Cars NI in Lisburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-711f5e662c51
  • The nearest: 2018 Mercedes-Benz GLC AMG Line Premium Plus, 2.1 diesel SUV, black, under a mile from this car. Mileage: 115,620 miles. Price: £12,990, the same price as this car. Dealer: Auto Zone Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-705900b22dfb

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

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Photos

71 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.