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: 72,000 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 72,000 miles. The dealer is asking £18,995, which is £338 below the AskCar estimate of £19,333. To work out the AskCar estimate, we analyse UK dealer adverts for 2,850 Mercedes-Benz GLC cars across different ages and specifications. We first recorded this advert 52 days ago, and its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Richlee Motor Company Rayleigh, based in Rayleigh. 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: £338 (1%) under the AskCar estimate of £19,333.

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 52 days.

Price history

AskCar first saw this advert on 16 September 2026 at £19,495. Its asking price is now £18,995, £500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 16 September 2026: £19,495
• 9 October 2026: £19,395
• 4 November 2026: £18,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 24 November 2026.

It has had 8 MOTs. The latest, on 20 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 65,682 miles, which matches the advertised 72,000 miles.

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: 73,000 miles. Price: £20,999, £2,004 more than this car. Dealer: Anslow Autos in Burton upon Trent. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-70dffa1fd99e
• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, red. Mileage: 69,000 miles. Price: £20,499, £1,504 more than this car. Dealer: Adam Performance in Haslingden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-624821001f70
• 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black. Mileage: 76,483 miles. Price: £18,791, £204 less than this car. Dealer: House of Brage in Oxford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-4c0fdf6d582d

• The nearest: 2018 Mercedes-Benz GLC AMG Line Premium Plus, 3.0 diesel SUV, black, 28 miles from this car. Mileage: 53,750 miles. Price: £21,499, £2,504 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