2018 Mercedes-Benz GLC 3.0 GLC350d V6 Sport Premium Plus

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: 75,772 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 75,772 miles on the clock, this 2018 Mercedes-Benz GLC Sport Premium Plus has done roughly 3,800 more miles than a typical 2018 Mercedes-Benz GLC. Priced at £15,995, it is advertised £1,649 below the AskCar estimate of £17,644. The AskCar estimate uses UK dealer asking prices, including 2,850 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 77 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Car Brothers NI in Newtownabbey. 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

Good value: £1,649 (9%) under the AskCar estimate of £17,644.

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 77 days.

Price history

AskCar first saw this advert on 22 August 2026 at £17,995. Its asking price is now £15,995, £2,000 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 22 August 2026: £17,995
• 10 September 2026: £16,995
• 24 September 2026: £16,495
• 28 October 2026: £15,995

Mileage and MOT

It has had 5 MOTs. The latest, on 2 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 68,646 miles, which matches the advertised 75,772 miles.

Advertised mileage is about 3,800 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 £14,580 to £19,995, as of 7 November 2026.

The 2 closest to this car in mileage:

• 2018 Mercedes-Benz GLC Sport Premium Plus, 3.0 diesel SUV, white. Mileage: 59,945 miles. Price: £19,995, £4,000 more than this car. Dealer: Gibbons Automotive in Westbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-7dfbc4d8ccae
• 2018 Mercedes-Benz GLC Sport Premium Plus, 3.0 diesel SUV, black. Mileage: 94,532 miles. Price: £14,580, £1,415 less than this car. Dealer: Evans Halshaw MG Banbury in Banbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-33338c76d022