2020 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 (385 bhp)
• Year: 2020
• Mileage: 36,020 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 385 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: White
• CO2: 244 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG Premium Plus has covered 36,020 miles, around 17,500 fewer miles than is typical for its age. The dealer is asking £33,250, which is £1,215 below the AskCar estimate of £34,465. 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 saw this car advertised 56 days ago. Its asking price has since fallen by £3,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Cotswold Group Select, based in Tewkesbury. 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: £1,215 (3%) under the AskCar estimate of £34,465.

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 2020 Mercedes-Benz GLC with the 3.0 petrol engine is typically advertised at £29,100: the median of the 18 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 Mercedes-Benz GLC has been on sale for at least 56 days.

Price history

AskCar first saw this advert on 13 September 2026 at £36,250. Its asking price is now £33,250, £3,000 less. The latest price cut was seen on 8 November 2026.

Price changes recorded:

• 13 September 2026: £36,250
• 27 September 2026: £35,250
• 29 September 2026: £34,750
• 7 October 2026: £34,250
• 4 November 2026: £33,750
• 8 November 2026: £33,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 1 September 2027.

It has had 7 MOTs. The latest, on 2 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,019 miles, which matches the advertised 36,020 miles.

Advertised mileage is about 17,500 miles lower than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

5 other 2020 Mercedes-Benz GLC AMG Premium Plus 3.0 petrol automatic SUVs are for sale at UK dealers, from £28,500 to £36,350, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, white. Mileage: 40,000 miles. Price: £33,995, £745 more than this car. Dealer: R.S. Vehicle Sales in Hinckley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-d989cde083d8
• 2020 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, blue. Mileage: 24,346 miles. Price: £36,350, £3,100 more than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-24b9ad4bf0d8
• 2020 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, grey. Mileage: 49,240 miles. Price: £33,995, £745 more than this car. Dealer: Fida Motors in Wickford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-077212546569