2021 Mercedes-Benz GLC 2.0 GLC300de AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium
• Version: 2.0 AMG Line Premium Auto 4WD Euro 6 5dr (302 bhp)
• Year: 2021
• Mileage: 37,737 miles
• Fuel: Plug-in hybrid (diesel)
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 302 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 48 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 37,737 miles on the clock, this 2021 Mercedes-Benz GLC AMG Line Premium has done roughly 10,400 fewer miles than a typical 2021 Mercedes-Benz GLC. The dealer is asking £25,790, which is £682 below the AskCar estimate of £26,472. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. We first recorded this advert 65 days ago, and its asking price has since fallen by £1,705. Our records show an MOT expiry date of 1 November 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Mercedes-Benz of Colchester, based in Colchester. 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: £682 (2%) under the AskCar estimate of £26,472.

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 plug-in hybrid engine is typically advertised at £24,800: the median of the 126 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 65 days.

Price history

AskCar first saw this advert on 4 September 2026 at £27,495. Its asking price is now £25,790, £1,705 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 4 September 2026: £27,495
• 8 September 2026: £27,395
• 17 September 2026: £26,995
• 29 September 2026: £26,795
• 10 October 2026: £26,695
• 17 October 2026: £26,597
• 27 October 2026: £25,790

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 1 November 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 3 September 2026, failed.

It failed on: offside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords; offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 37,703 miles, which matches the advertised 37,737 miles.

Advertised mileage is about 10,400 miles lower than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

9 other 2021 Mercedes-Benz GLC AMG Line Premium 2.0 plug-in hybrid automatic SUVs are for sale at UK dealers, from £19,495 to £26,995, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, black. Mileage: 39,432 miles. Price: £25,260, £530 less than this car. Dealer: Stratstone Mercedes-Benz of Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-af1087e7e443
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, blue. Mileage: 33,270 miles. Price: £24,790, £1,000 less than this car. Dealer: Big Motoring World Wimbledon in Wimbledon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-ef04ccbfe02e
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, blue. Mileage: 43,623 miles. Price: £25,420, £370 less than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-afb38ee8e560