2021 Mercedes-Benz GLC 2.0 GLC300h MHEV AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line
• Version: 2.0 GLC300h Mhev AMG Line G-Tronic+ 4WD Euro 6 (s/s) 5dr (268 bhp)
• Year: 2021
• Mileage: 50,125 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 268 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 191 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Mercedes-Benz GLC AMG Line is 50,125 miles. Priced at £20,988, it is advertised £3,137 below the AskCar estimate of £24,125. The AskCar estimate uses 2,918 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 34 days ago, and its asking price has since fallen by £300. Its advertised mileage matches the government's MOT record. It is for sale at The Car Traders London in Romford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £3,137 (13%) under the AskCar estimate of £24,125.

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 2,918 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 6 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 petrol engine is typically advertised at £24,900: the median of the 127 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 34 days.

Price history

AskCar first saw this advert on 3 October 2026 at £21,288. Its asking price is now £20,988, £300 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 3 October 2026: £21,288
• 4 October 2026: £20,988
• 21 October 2026: £21,488
• 31 October 2026: £22,370
• 1 November 2026: £22,380
• 2 November 2026: £22,410
• 3 November 2026: £21,660
• 4 November 2026: £20,988

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 6 August 2027.

It has had 4 MOTs. The latest, on 6 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 49,726 miles, which matches the advertised 50,125 miles.

Advertised mileage is about 1,900 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

9 other 2021 Mercedes-Benz GLC AMG Line 2.0 petrol automatic SUVs are for sale at UK dealers, from £20,950 to £28,950, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line, 2.0 petrol SUV, black. Mileage: 51,030 miles. Price: £21,795, £807 more than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-c4c8e28e9cf7
• 2021 Mercedes-Benz GLC AMG Line, 2.0 petrol SUV, grey. Mileage: 55,540 miles. Price: £24,200, £3,212 more than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-9c9d607cb5be
• 2021 Mercedes-Benz GLC AMG Line, 2.0 petrol SUV, blue. Mileage: 44,282 miles. Price: £24,640, £3,652 more than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-7a39859c4415

• The nearest: 2021 Mercedes-Benz GLC AMG Line, 2.0 petrol SUV, black, 6 miles from this car. Mileage: 41,635 miles. Price: £28,895, £7,907 more than this car. Dealer: The Car Group UK in Havering. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-1a3e10c1644a