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 G-Tronic 4WD Euro 6 (s/s) 5dr
• Year: 2018
• Mileage: 39,752 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.1 litres
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLC AMG Line Premium has covered 39,752 miles, around 32,200 fewer miles than is typical for its age. The AskCar estimate for this car is £19,944. It is priced at £20,100, which is £156 above that estimate. 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 57 days ago, the asking price has dropped by £900. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Select Bristol, based in Bristol. 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: £156 (under 1%) over the AskCar estimate of £19,944.

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 57 days.

Price history

AskCar first saw this advert on 11 September 2026 at £21,000. Its asking price is now £20,100, £900 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 11 September 2026: £21,000
• 19 September 2026: £20,800
• 16 October 2026: £20,600
• 24 October 2026: £20,400
• 7 November 2026: £20,100

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 2 September 2027.

It failed its MOT on 14 August 2026 (rear boot lid component damaged and likely to cause injury boot struts do not hold up boot lid and causing it to not function properly; nearside rear outer stop lamp(s) lens defective which has no effect on emitted light lens cracked/damaged; nearside front electrical wiring likely to touch hot or rotating parts abs wire insecure around suspension arms) and passed 20 days later, on 3 September 2026.

Advisories at the latest test: nearside rear outer stop lamp(s) lens defective which has no effect on emitted light; offside front wing mirror slightly loose.

Mileage at that test: 39,751 miles, which matches the advertised 39,752 miles.

Advertised mileage is about 32,200 miles lower than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

96 other 2018 Mercedes-Benz GLC AMG Line Premium 2.1 diesel automatic SUVs are for sale at UK dealers, from £11,995 to £23,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, grey. Mileage: 40,224 miles. Price: £19,990, £110 less than this car. Dealer: Spa Motors Mid Wales in Brecon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-41163a2b8d17
• 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, red. Mileage: 39,000 miles. Price: £19,490, £610 less than this car. Dealer: Kempshott Cars in Basingstoke. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-a448a50fa7ea
• 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, black. Mileage: 42,000 miles. Price: £19,900, £200 less than this car. Dealer: Dash Autos in Harrow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-a13fc42dee03

• The nearest: 2018 Mercedes-Benz GLC AMG Line Premium, 2.1 diesel SUV, blue, 8 miles from this car. Mileage: 54,000 miles. Price: £20,495, £395 more than this car. Dealer: Valentines Specialist Cars in Chipping Sodbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-6049d584bf01