2018 Mercedes-Benz GLC 2.1 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium
• Version: 2.1 AMG Line Premium Auto 4WD Euro 6 (s/s) 5dr
• Year: 2018
• Mileage: 47,803 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.1 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 143 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 47,803 miles on the clock, this 2018 Mercedes-Benz GLC AMG Line Premium has done roughly 24,400 fewer miles than a typical 2018 Mercedes-Benz GLC. Its asking price of £21,000 is £1,659 above the AskCar estimate of £19,341. The AskCar estimate uses 2,918 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 15 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Mercedes-Benz of Swindon, based in Swindon. 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

Above the going rate: £1,659 (8%) over the AskCar estimate of £19,341.

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 2.1 diesel engine is typically advertised at £16,500: the median of the 241 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 Mercedes-Benz GLC has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 22 October 2026 at £21,000. 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 6 November 2026: valid until 24 January 2027.

It has had 6 MOTs. The latest, on 10 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,792 miles, which matches the advertised 47,803 miles.

Advertised mileage is about 24,400 miles lower than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

98 other 2018 Mercedes-Benz GLC AMG Line Premium 2.1 diesel automatic SUVs are for sale at UK dealers, from £10,895 to £23,995, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, silver. Mileage: 50,214 miles. Price: £19,495, £1,505 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-a638dd95d369
• 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, black. Mileage: 50,987 miles. Price: £18,495, £2,505 less than this car. Dealer: David Ascott Motors in Greenford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-2ffaddf838f5
• 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, white. Mileage: 44,000 miles. Price: £19,500, £1,500 less than this car. Dealer: Radley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-1ee6a6da0480

• The nearest: 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, blue, 27 miles from this car. Mileage: 54,000 miles. Price: £20,495, £505 less than this car. Dealer: Valentines Specialist Cars in Chipping Sodbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-6049d584bf01