2021 Mercedes-Benz GLC 3.0 GLC43 V6 AMG Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Premium Plus
• Version: 3.0 GLC43 V6 AMG Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 5dr Coupe (385 bhp)
• Year: 2021
• Mileage: 21,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 385 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 251 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Premium Plus is advertised with 21,000 miles, approximately 27,200 below the typical mileage for its age. Its asking price of £39,995 is £420 above the AskCar estimate of £39,575. The AskCar estimate uses UK dealer asking prices, including 2,850 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Peter Nash Specialist Cars in Southampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £420 (1%) over the AskCar estimate of £39,575.

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 2,850 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 7 November 2026.

A 2021 Mercedes-Benz GLC with the 3.0 petrol engine is typically advertised at £36,000: the median of the 13 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz GLC advertised 2 days ago. About half of 2021 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 120 of the 246 first advertised between 9 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £39,995. 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 7 November 2026: valid until 20 December 2026.

It has had 2 MOTs. The latest, on 4 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 19,341 miles, which matches the advertised 21,000 miles.

Advertised mileage is about 27,200 miles lower than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

9 other 2021 Mercedes-Benz GLC AMG Premium Plus 3.0 petrol automatic SUVs are for sale at UK dealers, from £29,975 to £39,880, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, blue. Mileage: 21,000 miles. Price: £39,880, £115 less than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-5f3b235122d0
• 2021 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, white. Mileage: 32,042 miles. Price: £38,322, £1,673 less than this car. Dealer: Walkers Of Selby in Selby. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-fd710cbdeaf9
• 2021 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, white. Mileage: 32,856 miles. Price: £37,975, £2,020 less than this car. Dealer: The Car Co in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-15bd64fc6c30

• The nearest: 2021 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, grey, 28 miles from this car. Mileage: 53,462 miles. Price: £34,995, £5,000 less than this car. Dealer: Norman Motors (Bournemouth) in Bournemouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-efc61ffb05b1