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 Auto 4WD Euro 6 (s/s) 5dr (254 bhp)
• Year: 2018
• Mileage: 53,750 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 53,750 miles on the clock, this 2018 Mercedes-Benz GLC AMG Line Premium Plus has done roughly 18,300 fewer miles than a typical 2018 Mercedes-Benz GLC. Its asking price of £21,499 is £1,520 below the AskCar estimate of £23,019. The AskCar estimate uses 2,850 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 81 days ago, the asking price has dropped by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Approved Cars & Finance Approved Cars in Tonbridge. 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: £1,520 (6%) under the AskCar estimate of £23,019.

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 81 days.

Price history

AskCar first saw this advert on 18 August 2026 at £21,799. Its asking price is now £21,499, £300 less. The latest price cut was seen on 17 September 2026.

Price changes recorded:

• 18 August 2026: £21,799
• 17 September 2026: £21,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 13 November 2026.

It has had 6 MOTs. The latest, on 22 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 46,875 miles, which matches the advertised 53,750 miles.

Advertised mileage is about 18,300 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, white. Mileage: 56,248 miles. Price: £20,988, £511 less than 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, grey. Mileage: 51,000 miles. Price: £22,250, £751 more than this car. Dealer: Whitethor Cars in Coalville. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-0988dfaea599
• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, grey. Mileage: 57,000 miles. Price: £20,499, £1,000 less than this car. Dealer: AB Car Sales in Gunnislake. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-cfa21a80896d

• The nearest: 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, grey, 28 miles from this car. Mileage: 72,000 miles. Price: £18,995, £2,504 less than this car. Dealer: Richlee Motor Company Rayleigh in Rayleigh. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-be2159a01143