2020 Mercedes-Benz GLC 3.0 GLC43 V6 AMG
Price: £27,495. Fair price: £2,131 (7%) under the AskCar estimate of £29,626, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,850 priced Mercedes-Benz GLC adverts on AskCar as of 7 November 2026.
AskCar lists 2,954 used Mercedes-Benz GLC from 1,193 UK dealerships, as of 7 November 2026.
Overview
- Make: Mercedes-Benz
- Model: GLC
- Trim: AMG
- Version: 3.0 GLC43 V6 AMG G-Tronic+ 4WD Euro 6 (s/s) 5dr (385 bhp)
- Year: 2020
- Mileage: 49,937 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 385 bhp
- Gearbox: Automatic (G-Tronic+)
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 233 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Mercedes-Benz GLC AMG is advertised with 49,937 miles, approximately 3,700 below the typical mileage for its age. The AskCar estimate for this car is £29,626. It is priced at £27,495, which is £2,131 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,850 Mercedes-Benz GLC cars across different ages and specifications. This car was first seen in our listings data 88 days ago. Our latest MOT record expired on 23 August 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. It is advertised by H Tones Oxford Garage in Hartlepool. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £2,131 (7%) under the AskCar estimate of £29,626.
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 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 7 November 2026.
Time on sale
This 2020 Mercedes-Benz GLC has been on sale for at least 88 days.
Price history
AskCar first saw this advert on 11 August 2026 at £27,495. 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: the latest record we hold ran out on 23 August 2026; ask the dealer for the current MOT.
It has had 3 MOTs. The latest, on 22 August 2025, passed.
Advisories at the latest test: rear drive shaft flexible coupling slightly deteriorated; nearside front brake disc worn, pitted or scored, but not seriously weakened; offside front brake disc worn, pitted or scored, but not seriously weakened; and 2 more.
Mileage at that test: 42,926 miles, which matches the advertised 49,937 miles.
Advertised mileage is about 3,700 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 £28,990, as of 7 November 2026.
The 3 closest to this car in mileage:
- 2020 Mercedes-Benz GLC AMG, 3.0 petrol SUV, silver. Mileage: 50,916 miles. Price: £25,500, £1,995 less than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-b2d44a8b41d8
- 2020 Mercedes-Benz GLC AMG, 3.0 petrol SUV, silver. Mileage: 48,000 miles. Price: £27,500, the same price as 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, grey. Mileage: 38,010 miles. Price: £28,990, £1,495 more than this car. Dealer: Auto Mall in London. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-b09b71b55006
- The nearest: 2020 Mercedes-Benz GLC AMG, 3.0 petrol SUV, grey, 74 miles from this car. Mileage: 78,600 miles. Price: £25,995, £1,500 less than this car. Dealer: Apex Performance Cars in Huddersfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-f9af6b413f1c
Browse all Mercedes-Benz GLC cars for sale · 2020 Mercedes-Benz GLC price guide
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Photos
54 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.