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: 50,162 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.1 litres, 168 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 143 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLC AMG Line is advertised with 50,162 miles, approximately 21,800 below the typical mileage for its age. The dealer is asking £18,799, which is £662 below the AskCar estimate of £19,461. 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 28 days ago, and its asking price has since fallen by £700. Its advertised mileage matches the government's MOT record. The seller is cinch Marshall Ford Kings Lynn, based in King's Lynn and West Norfolk. 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: £662 (3%) under the AskCar estimate of £19,461.

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 28 days.

Price history

AskCar first saw this advert on 10 October 2026 at £19,499. Its asking price is now £18,799, £700 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 10 October 2026: £19,499
• 15 October 2026: £19,299
• 23 October 2026: £19,099
• 28 October 2026: £19,199
• 30 October 2026: £18,899
• 6 November 2026: £18,799

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 29 September 2027.

It has had 7 MOTs. The latest, on 30 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,162 miles, which matches the advertised 50,162 miles.

Advertised mileage is about 21,800 miles lower 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: 50,500 miles. Price: £16,995, £1,804 less than this car. Dealer: Barn Cars in Brentwood. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-8d4e23e588aa
• 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, blue. Mileage: 49,170 miles. Price: £16,977, £1,822 less than this car. Dealer: CarSupermarket.com Hessle in Hessle. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-0c292c292e4a
• 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, black. Mileage: 54,000 miles. Price: £17,994, £805 less than this car. Dealer: BVG Automotive in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-8d24160fc7e4

• The nearest: 2018 Mercedes-Benz GLC AMG Line, 2.1 diesel SUV, silver, 29 miles from this car. Mileage: 102,000 miles. Price: £16,490, £2,309 less than this car. Dealer: Optimum Vehicle Group in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-5f1baa9d72cf