2018 Mercedes-Benz GLC 2.1 Sport

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: Sport
• Version: 2.1 Sport G-Tronic 4WD Euro 6 (s/s) 5dr
• Year: 2018
• Mileage: 77,825 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.1 litres
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLC Sport is advertised with 77,825 miles, approximately 5,700 above the typical mileage for its age. Its asking price of £14,300 is £6 above the AskCar estimate of £14,294. The AskCar estimate draws on 2,918 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 22 days ago, the asking price has dropped by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Marshall BYD Maidstone, based in Maidstone. 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: £6 (under 1%) over the AskCar estimate of £14,294.

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 2.1 diesel engine is typically advertised at £16,500: the median of the 241 for sale on AskCar, as of 6 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 15 October 2026 at £14,800. Its asking price is now £14,300, £500 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 15 October 2026: £14,800
• 23 October 2026: £14,700
• 30 October 2026: £14,400
• 6 November 2026: £14,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 25 April 2027.

It failed its MOT on 7 April 2026 (front brake pad(s) worn down to wear indicator; nearside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords worn close and lower edges 235/60R18) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 70,623 miles, which matches the advertised 77,825 miles.

Advertised mileage is about 5,700 miles higher than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

11 other 2018 Mercedes-Benz GLC Sport 2.1 diesel automatic SUVs are for sale at UK dealers, from £13,150 to £17,995, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz GLC Sport, 2.1 diesel SUV, grey. Mileage: 82,741 miles. Price: £13,395, £905 less than this car. Dealer: SKV Motors in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-005aa2033489
• 2018 Mercedes-Benz GLC Sport, 2.1 diesel SUV, blue. Mileage: 83,844 miles. Price: £14,500, £200 more than this car. Dealer: A13 Cars in Barking. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-40414676524e
• 2018 Mercedes-Benz GLC Sport, 2.1 diesel SUV, blue. Mileage: 71,670 miles. Price: £14,490, £190 more than this car. Dealer: CMC Automotive in Stockport. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-0e7baf34d1cf