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: 57,287 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 57,287 miles on the clock, this 2018 Mercedes-Benz GLC AMG Line Premium Plus has done roughly 14,700 fewer miles than a typical 2018 Mercedes-Benz GLC. Its asking price of £20,990 is £263 below the AskCar estimate of £21,253. 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 recorded this advert 77 days ago, and its asking price has since fallen by £1,000. Its advertised mileage matches the government's MOT record. The seller is Brownroyd Motors, based in Heywood. 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

Fair price: £263 (1%) under the AskCar estimate of £21,253.

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 £21,990. Its asking price is now £20,990, £1,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 22 August 2026: £21,990
• 5 November 2026: £20,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 2 July 2027.

It has had 9 MOTs. The latest, on 17 June 2026, passed.

Advisories at the latest test: front tyre worn close to legal limit/worn on edge both.

Mileage at that test: 56,596 miles, which matches the advertised 57,287 miles.

Advertised mileage is about 14,700 miles lower 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 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, grey. Mileage: 57,000 miles. Price: £20,499, £491 less than this car. Dealer: AB Car Sales in Gunnislake. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-cfa21a80896d
• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, white. Mileage: 56,248 miles. Price: £20,988, the same price as this car. Dealer: Junction 17 Cars (Rugby) in Rugby. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-de5333e61b2d
• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 53,750 miles. Price: £21,499, £509 more than this car. Dealer: Approved Cars & Finance Approved Cars in East Peckham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-5b959ab92ef9

• The nearest: 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black, 5 miles from this car. Mileage: 101,334 miles. Price: £17,495, £3,495 less than this car. Dealer: Blackline Motors in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-86f919ed9b44