2021 Mercedes-Benz GLC 2.0 GLC300d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium Plus
• Version: 2.0 AMG Line Premium Plus Auto 4WD Euro 6 5dr (242 bhp)
• Year: 2021
• Mileage: 19,991 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Red
• CO2: 174 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line Premium Plus has covered 19,991 miles. Priced at £41,991, it is advertised £8,132 above the AskCar estimate of £33,859. The AskCar estimate draws on 2,776 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 90 days ago. The latest MOT recorded 54,536 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 18 November 2026. It is advertised by ASM (uk) in Redditch. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £8,132 (24%) over the AskCar estimate of £33,859.

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 2,776 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 9 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,800: the median of the 122 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 90 days.

Price history

AskCar first saw this advert on 11 August 2026 at £41,991. 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 9 November 2026: valid until 18 November 2026.

It has had 3 MOTs. The latest, on 21 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 54,536 miles. The advert says 19,991 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 28,200 miles lower than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

13 other 2021 Mercedes-Benz GLC AMG Line Premium Plus 2.0 diesel automatic SUVs are for sale at UK dealers, from £21,950 to £31,495, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, silver. Mileage: 34,456 miles. Price: £27,590, £14,401 less than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-50ef2b6507d3
• 2021 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, grey. Mileage: 36,797 miles. Price: £31,495, £10,496 less than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-9cd38113adbc
• 2021 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, white. Mileage: 37,000 miles. Price: £22,495, £19,496 less than this car. Dealer: Brownstone Motors in Barnsley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-730f019a0f3e

• The nearest: 2021 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, grey, 60 miles from this car. Mileage: 37,874 miles. Price: £31,000, £10,991 less than this car. Dealer: R S Car Sales in Crewe. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-7703edcc1b46