2018 Mercedes-Benz GLC 3.0 GLC350d V6 Sport

Price: £13,490. Good value: £2,258 (14%) under the AskCar estimate of £15,748, 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
  • Version: 3.0 GLC350d V6 Sport G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)
  • Year: 2018
  • Mileage: 81,709 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 has covered 81,709 miles, around 9,700 more miles than is typical for its age. Priced at £13,490, it is advertised £2,258 below the AskCar estimate of £15,748. The AskCar estimate uses UK dealer asking prices, including 2,814 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 52 days ago. Its asking price has since fallen by £2,000. The recorded MOT expired on 5 November 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at MB Executive Motor Company in Hinckley. 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

Good value: £2,258 (14%) under the AskCar estimate of £15,748.

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 52 days.

Price history

AskCar first saw this advert on 17 September 2026 at £15,490. Its asking price is now £13,490, £2,000 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 17 September 2026: £15,490
  • 7 October 2026: £14,990
  • 13 October 2026: £14,490
  • 21 October 2026: £13,990
  • 30 October 2026: £13,490
  • 3 November 2026: £12,990
  • 6 November 2026: £13,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 5 November 2026; ask the dealer for the current MOT.

It failed its MOT on 29 October 2025 (offside headlamp aim too high; engine MIL inoperative or indicates a malfunction) and passed 1 day later, on 30 October 2025.

Advisories at the latest test: nearside front suspension arm ball joint has slight play spring control arm.

Mileage at that test: 77,529 miles, which matches the advertised 81,709 miles.

Advertised mileage is about 9,700 miles higher than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

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

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Photos

65 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.