2020 Mercedes-Benz GLC 3.0 GLC43 V6 AMG

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG
• Version: 3.0 GLC43 V6 AMG G-Tronic+ 4WD Euro 6 (s/s) 5dr Coupe (385 bhp)
• Year: 2020
• Mileage: 38,010 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 385 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 232 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 38,010 miles, this 2020 Mercedes-Benz GLC AMG has covered about 15,500 fewer miles than other 2020 Mercedes-Benz GLC cars. The AskCar estimate for this car is £30,125. It is priced at £28,990, which is £1,135 below that estimate. 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 car for sale 20 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Auto Mall in Palmers Green. 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: £1,135 (3%) under the AskCar estimate of £30,125.

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 2,814 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 20 days.

Price history

AskCar first saw this advert on 19 October 2026 at £27,990. Its asking price is now £28,990, £1,000 more.

Price changes recorded:

• 19 October 2026: £27,990
• 23 October 2026: £28,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 17 April 2027.

It has had 3 MOTs. The latest, on 18 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,858 miles, which matches the advertised 38,010 miles.

Advertised mileage is about 15,500 miles lower than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

5 other 2020 Mercedes-Benz GLC AMG 3.0 petrol automatic SUVs are for sale at UK dealers, from £25,500 to £27,500, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLC AMG, 3.0 petrol SUV, silver. Mileage: 48,000 miles. Price: £27,500, £1,490 less than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-8ed4a0f98c39
• 2020 Mercedes-Benz GLC AMG, 3.0 petrol SUV, blue. Mileage: 49,937 miles. Price: £27,495, £1,495 less than this car. Dealer: H Tones Oxford Garage in Hartlepool. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-3b8daae700a3
• 2020 Mercedes-Benz GLC AMG, 3.0 petrol SUV, silver. Mileage: 50,916 miles. Price: £25,500, £3,490 less than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-b2d44a8b41d8