2018 Mercedes-Benz GLC 2.1 GLC220d AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line
• Version: 2.1 GLC220d AMG Line G-Tronic+ 4WD Euro 6 (s/s) 5dr Coupe (168 bhp)
• Year: 2018
• Mileage: 81,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.1 litres, 168 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLC AMG Line is advertised with 81,000 miles, approximately 9,000 above the typical mileage for its age. Its asking price of £17,950 is £1,664 above the AskCar estimate of £16,286. The AskCar estimate draws on 2,850 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 163 days ago, the asking price has dropped by £2,000. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Auto Q in Belfast. 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

Above the going rate: £1,664 (10%) over the AskCar estimate of £16,286.

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 2.1 diesel engine is typically advertised at £16,500: the median of the 239 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Mercedes-Benz GLC has been on sale for at least 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £19,950. Its asking price is now £17,950, £2,000 less. The latest price cut was seen on 15 September 2026.

Price changes recorded:

• 28 May 2026: £19,950
• 22 June 2026: £18,950
• 15 September 2026: £17,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 10 December 2026.

It has had 6 MOTs. The latest, on 11 December 2025, passed.

Advisories at the latest test: front brake pad(s) wearing thin; front brake disc worn, pitted or scored, but not seriously weakened; offside front shock absorbers has light misting of oil.

Mileage at that test: 77,350 miles, which matches the advertised 81,000 miles.

Advertised mileage is about 9,000 miles higher than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

60 other 2018 Mercedes-Benz GLC AMG Line 2.1 diesel automatic SUVs are for sale at UK dealers, from £11,500 to £24,899, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, blue. Mileage: 81,490 miles. Price: £16,975, £975 less than this car. Dealer: Slaters Motor Group in Sunderland. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-0451af3c07e7
• 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, grey. Mileage: 81,961 miles. Price: £15,100, £2,850 less than this car. Dealer: Pro Auto Cars in Hook. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-e03e87e70c88
• 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, black. Mileage: 79,500 miles. Price: £14,494, £3,456 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-4946e7e4594b

• The nearest: 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, blue, 47 miles from this car. Mileage: 116,704 miles. Price: £13,950, £4,000 less than this car. Dealer: JRS Cars in Dungannon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-0a4a9be932a8