2018 Mercedes-Benz GLC 3.0 GLC350d V6 Sport Premium Plus

Price: £14,580. Fair price: £978 (6%) under the AskCar estimate of £15,558, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,814 priced Mercedes-Benz GLC adverts on AskCar as of 8 November 2026.

AskCar lists 2,918 used Mercedes-Benz GLC from 1,187 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLC
  • Trim: Sport Premium Plus
  • Version: 3.0 GLC350d V6 Sport Premium Plus G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)
  • Year: 2018
  • Mileage: 94,532 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: 159 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLC Sport Premium Plus is advertised with 94,532 miles, approximately 22,500 above the typical mileage for its age. Its asking price of £14,580 is £978 below the AskCar estimate of £15,558. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. Since we first spotted the advert 117 days ago, the asking price has dropped by £1,380. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw MG Banbury, based in Banbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £978 (6%) under the AskCar estimate of £15,558.

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 2,814 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 8 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 8 November 2026.

Time on sale

This 2018 Mercedes-Benz GLC has been on sale for at least 117 days.

Price history

AskCar first saw this advert on 14 July 2026 at £15,960. Its asking price is now £14,580, £1,380 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 14 July 2026: £15,960
  • 21 July 2026: £15,920
  • 27 July 2026: £15,880
  • 3 August 2026: £15,840
  • 10 August 2026: £15,800
  • 18 August 2026: £15,770
  • 25 August 2026: £15,730
  • 3 September 2026: £15,680
  • 5 September 2026: £15,530
  • 8 September 2026: £15,510
  • 16 September 2026: £15,400
  • 22 September 2026: £15,330
  • 29 September 2026: £15,260
  • 7 October 2026: £15,230
  • 13 October 2026: £15,010
  • 20 October 2026: £14,860
  • 27 October 2026: £14,720
  • 4 November 2026: £14,580

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 26 December 2026.

It has had 6 MOTs. The latest, on 9 December 2025, passed.

Advisories at the latest test: rear registration plate deteriorated but not likely to be misread.

Mileage at that test: 88,312 miles, which matches the advertised 94,532 miles.

Advertised mileage is about 22,500 miles higher than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

2 other 2018 Mercedes-Benz GLC Sport Premium Plus 3.0 diesel automatic SUVs are for sale at UK dealers, from £15,995 to £19,995, as of 8 November 2026.

The 2 closest to this car in mileage:

  • 2018 Mercedes-Benz GLC Sport Premium Plus, 3.0 diesel SUV, grey. Mileage: 75,772 miles. Price: £15,995, £1,415 more than this car. Dealer: Car Brothers NI in Newtownabbey. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-7aa15465297a
  • 2018 Mercedes-Benz GLC Sport Premium Plus, 3.0 diesel SUV, white. Mileage: 59,945 miles. Price: £19,995, £5,415 more than this car. Dealer: Gibbons Automotive in Westbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-7dfbc4d8ccae

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

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Photos

21 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 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.