2021 Mercedes-Benz GLC 2.0 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium
• Version: 2.0 AMG Line Premium Auto 4WD Euro 6 5dr
• Year: 2021
• Mileage: 46,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 173 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line Premium has covered 46,000 miles. Its asking price of £26,999 is £684 above the AskCar estimate of £26,315. The AskCar estimate uses 2,814 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 5 days ago. The advertised mileage is lower than the latest MOT reading of 48,705 miles. Ask the dealer to explain. Its MOT is recorded as valid until 1 November 2027. The seller is Lookers Mercedes-Benz of Brighton, based in Brighton. 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

Fair price: £684 (2%) over the AskCar estimate of £26,315.

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 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,800: the median of the 126 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz GLC advertised 5 days ago. About half of 2021 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 120 of the 247 first advertised between 9 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £26,999. 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 8 November 2026: valid until 1 November 2027.

It has had 6 MOTs. The latest, on 2 November 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,705 miles. The advert says 46,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 2,200 miles lower than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

31 other 2021 Mercedes-Benz GLC AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £18,990 to £29,990, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 45,514 miles. Price: £25,495, £1,504 less than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-77e04d125b72
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 47,983 miles. Price: £23,490, £3,509 less than this car. Dealer: Herts Motors in Hoddesdon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-7635a9e6f3e3
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 43,000 miles. Price: £29,990, £2,991 more than this car. Dealer: Hexagon Cars Of Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-18de95bcc778

• The nearest: 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue, 46 miles from this car. Mileage: 21,009 miles. Price: £29,500, £2,501 more than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-4d23aa28ac3f