2018 Mercedes-Benz GLC 3.0 GLC350d V6 AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line
• Version: 3.0 GLC350d V6 AMG Line G-Tronic 4WD Euro 6 (s/s) 5dr (254 bhp)
• Year: 2018
• Mileage: 31,830 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz GLC AMG Line is advertised with 31,830 miles, approximately 40,200 below the typical mileage for its age. The dealer is asking £25,520, which is £1,907 above the AskCar estimate of £23,613. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. Since we first spotted the advert 47 days ago, the asking price has dropped by £470. Its advertised mileage matches the government's MOT record. The seller is Stratstone Mercedes-Benz of Ipswich, based in Ipswich. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,907 (8%) over the AskCar estimate of £23,613.

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 2,814 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 8 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 8 November 2026.

Time on sale

This 2018 Mercedes-Benz GLC has been on sale for at least 47 days.

Price history

AskCar first saw this advert on 22 September 2026 at £25,990. Its asking price is now £25,520, £470 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 22 September 2026: £25,990
• 3 October 2026: £25,950
• 10 October 2026: £25,940
• 20 October 2026: £25,844
• 30 October 2026: £25,520

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 14 February 2027.

It has had 8 MOTs. The latest, on 22 September 2026, passed.

Advisories at the latest test: central rear registration plate insecure but not likely to fall off; nearside front lower suspension arm ball joint has slight play; offside front lower suspension arm ball joint has slight play; and 1 more.

Mileage at that test: 31,919 miles, which matches the advertised 31,830 miles.

Advertised mileage is about 40,200 miles lower than the median mileage of a 2018 Mercedes-Benz GLC on AskCar.

Similar cars

3 other 2018 Mercedes-Benz GLC AMG Line 3.0 diesel automatic SUVs are for sale at UK dealers, from £14,999 to £21,119, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz GLC AMG Line, 3.0 diesel SUV, grey. Mileage: 60,037 miles. Price: £21,119, £4,401 less than this car. Dealer: Lookers Mercedes-Benz of Stafford in Stafford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-0684333ad942
• 2018 Mercedes-Benz GLC AMG Line, 3.0 diesel SUV, silver. Mileage: 73,291 miles. Price: £14,999, £10,521 less than this car. Dealer: Wheelbase Bagshot in Bracknell. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-09e52243b04f
• 2018 Mercedes-Benz GLC AMG Line, 3.0 diesel SUV, white. Mileage: 103,620 miles. Price: £16,490, £9,030 less than this car. Dealer: Heanor Car Sales in Heanor. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2018-be65b857d184