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: 51,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLC AMG Line Premium Plus has covered 51,000 miles, around 21,000 fewer miles than is typical for its age. The AskCar estimate for this car is £21,939. It is priced at £22,250, which is £311 above that estimate. The AskCar estimate uses UK dealer asking prices, including 2,814 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 115 days. Its advertised mileage matches the government's MOT record. You can find this car at Whitethor Cars in Coalville. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £311 (1%) over the AskCar estimate of £21,939.

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 2,814 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 8 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 8 November 2026.

Time on sale

This 2018 Mercedes-Benz GLC has been on sale for at least 115 days.

Price history

AskCar first saw this advert on 16 July 2026 at £22,250. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 19 March 2027.

It failed its MOT on 20 February 2026 (engine MIL inoperative or indicates a malfunction; parking brake efficiency below requirements) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 48,762 miles, which matches the advertised 51,000 miles.

Advertised mileage is about 21,000 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 £21,995, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 53,750 miles. Price: £21,499, £751 less than this car. Dealer: Approved Cars & Finance Approved Cars in East Peckham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-5b959ab92ef9
• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 47,000 miles. Price: £21,995, £255 less than this car. Dealer: Ravenor Cars in Greenford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-bdc34ef74380
• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, white. Mileage: 56,248 miles. Price: £20,988, £1,262 less than this car. Dealer: Junction 17 Cars (Rugby) in Rugby. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-de5333e61b2d

• The nearest: 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, white, 14 miles from this car. Mileage: 73,000 miles. Price: £20,999, £1,251 less than this car. Dealer: Anslow Autos in Burton upon Trent. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-70dffa1fd99e