2021 Mercedes-Benz GLC AMG Line Premium
Version: AMG Line Premium Auto 4WD Euro 6 5dr
Price: £24,600. Fair price: £420 (1%) over the AskCar estimate of £24,180, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,798 priced Mercedes-Benz GLC adverts on AskCar as of 29 October 2026.
AskCar lists 2,831 used Mercedes-Benz GLC from 1,154 UK dealerships, as of 29 October 2026.
Overview
- Make
- Mercedes-Benz
- Model
- GLC
- Trim
- AMG Line Premium
- Version
- AMG Line Premium Auto 4WD Euro 6 5dr
- Mileage
- 70,702 miles
- Year
- 2021
- Fuel type
- Diesel
- Gearbox
- Automatic
- Seats
- 5
- Colour
- White
- Doors
- 5
- Driven wheels
- Four Wheel Drive
- Emissions standard
- Euro 6
About this car
This 2021 Mercedes-Benz GLC AMG Line Premium is advertised with 70,702 miles, approximately 21,000 above the typical mileage for its age. Its asking price of £24,600 is £420 above the AskCar estimate of £24,180. The AskCar estimate uses 2,798 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 36 days ago, and its asking price has since fallen by £400. MOT records show an expiry date of 25 November 2026, and the latest recorded mileage is consistent with the advert. The seller is Sytner Select Bristol, based in Bristol.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 23 September 2026, 36 days ago. Price reduced by £400 from £25,000 since AskCar first saw it. 1 price reduction recorded, the latest seen on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 23 September 2026 | £25,000 |
| 29 October 2026 | £24,600 |
Price and mileage comparison
Fair price: £420 (1%) over the AskCar estimate of £24,180.
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 2,798 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 21,000 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 25 November 2026. 52,775 miles at the last test.
Other matching cars
42 other 2021 Mercedes-Benz GLC AMG Line Premium automatic diesel cars are for sale at UK dealers from £18,990 to £30,350, as of 29 October 2026.
The 5 cheapest:
- 2021 Mercedes-Benz GLC. Price: £18,990. Mileage: 77,400 miles. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-5b51b8f567ec
- 2021 Mercedes-Benz GLC. Price: £18,991. Mileage: 89,624 miles. Dealer: West Riding Hyundai Bolton in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-43c5f741fe5d
- 2021 Mercedes-Benz GLC. Price: £19,892. Mileage: 87,612 miles. Dealer: Stratstone Mercedes-Benz of Colchester in Colchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-aff813b29db9
- 2021 Mercedes-Benz GLC. Price: £20,280. Mileage: 71,505 miles. Dealer: Ryders of Warrington in Warrington. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-d41d8f29b9bc
- 2021 Mercedes-Benz GLC. Price: £20,490. Mileage: 69,800 miles. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-0f710870420d
The 42 matching cars have covered 21,009 to 89,624 miles, compared with 70,702 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Mercedes-Benz GLC cars for sale · 2021 Mercedes-Benz GLC price guide
More like this
Photos
17 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.