2018 Mercedes-Benz GLC 3.0 GLC350d V6 AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium Plus
• Version: 3.0 GLC350d V6 AMG Line Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 5dr (254 bhp)
• Year: 2018
• Mileage: 73,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: White
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 Mercedes-Benz GLC AMG Line Premium Plus is 73,000 miles. Its asking price of £20,999 is £723 above the AskCar estimate of £20,276. The AskCar estimate uses UK dealer asking prices, including 2,918 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 100 days ago. Its asking price has since fallen by £1,000. The government's MOT record matches its advertised mileage. You can find this car at Anslow Autos in Burton-on-Trent. 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: £723 (3%) over the AskCar estimate of £20,276.

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 3.0 diesel engine is typically advertised at £20,000: the median of the 51 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 Mercedes-Benz GLC has been on sale for at least 100 days.

Price history

AskCar first saw this advert on 29 July 2026 at £21,999. Its asking price is now £20,999, £1,000 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

• 29 July 2026: £21,999
• 21 October 2026: £21,499
• 26 October 2026: £20,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 20 April 2027.

It failed its MOT on 9 April 2026 (engine MIL inoperative or indicates a malfunction; nearside front outer tyre has ply or cords exposed; offside front outer tyre has ply or cords exposed; and 1 more) and passed 1 day later, on 10 April 2026.

Advisories at the latest test: nearside rear brake pad(s) wearing thin; offside rear brake pad(s) wearing thin; offside front upper windscreen damaged but not adversely affecting driver's view; and 2 more.

Mileage at that test: 71,474 miles, which matches the advertised 73,000 miles.

Advertised mileage is about 800 miles higher than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

20 other 2018 Mercedes-Benz GLC AMG Line Premium Plus 3.0 diesel automatic SUVs are for sale at UK dealers, from £13,999 to £22,250, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, grey. Mileage: 72,000 miles. Price: £18,995, £2,004 less than this car. Dealer: Richlee Motor Company Rayleigh in Rayleigh. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-be2159a01143
• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 76,483 miles. Price: £18,791, £2,208 less than this car. Dealer: House of Brage in Oxford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-4c0fdf6d582d
• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, red. Mileage: 69,000 miles. Price: £20,499, £500 less than this car. Dealer: Adam Performance in Haslingden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-624821001f70

• The nearest: 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, grey, 14 miles from this car. Mileage: 51,000 miles. Price: £22,250, £1,251 more than this car. Dealer: Whitethor Cars in Coalville. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-0988dfaea599