2020 Mercedes-Benz GLC 3.0 AMG Premium
Price: £29,100. Fair price: £1,684 (5%) under the AskCar estimate of £30,784, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,852 priced Mercedes-Benz GLC adverts on AskCar as of 10 November 2026.
AskCar lists 2,886 used Mercedes-Benz GLC from 1,190 UK dealerships, as of 10 November 2026.
Overview
- Make: Mercedes-Benz
- Model: GLC
- Trim: Premium
- Version: 3.0 43 Premium Auto 4WD Euro 6 5dr AMG Speedshift MCT (384 bhp)
- Year: 2020
- Mileage: 47,145 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 3.0 litres, 384 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 246 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 47,145 miles on the clock, this 2020 Mercedes-Benz GLC Premium has done roughly 6,000 fewer miles than a typical 2020 Mercedes-Benz GLC. Priced at £29,100, it is advertised £1,684 below the AskCar estimate of £30,784. To work out the AskCar estimate, we analyse UK dealer adverts for 2,852 Mercedes-Benz GLC cars across different ages and specifications. We first saw this car advertised 164 days ago. Its asking price has since fallen by £4,395. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Marshall Motor Group Tunbridge Wells Audi, based in Tunbridge Wells. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
Marshall Motor Group Tunbridge Wells Audi is rated 4.5 out of 5 on Google.
Price
Fair price: £1,684 (5%) under the AskCar estimate of £30,784.
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 2,852 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 10 November 2026.
A 2020 Mercedes-Benz GLC with the 3.0 petrol engine is typically advertised at £29,000: the median of the 18 for sale on AskCar, as of 10 November 2026.
Time on sale
This 2020 Mercedes-Benz GLC has been on sale for at least 164 days.
Price history
AskCar first saw this advert on 30 May 2026 at £33,495. Its asking price is now £29,100, £4,395 less. The latest price cut was seen on 6 November 2026.
Price changes recorded:
- 31 May 2026: £33,495
- 19 June 2026: £32,995
- 24 June 2026: £32,740
- 26 June 2026: £32,495
- 4 July 2026: £31,900
- 10 July 2026: £31,795
- 15 July 2026: £31,400
- 17 July 2026: £30,995
- 23 July 2026: £30,490
- 24 October 2026: £29,500
- 30 October 2026: £29,300
- 6 November 2026: £29,100
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 9 June 2027.
It has had 4 MOTs. The latest, on 10 June 2026, passed.
Advisories at the latest test: offside front tyre worn on edges.
Mileage at that test: 45,131 miles, which matches the advertised 47,145 miles.
Advertised mileage is about 6,000 miles lower than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.
Browse all Mercedes-Benz GLC cars for sale · 2020 Mercedes-Benz GLC price guide
More like this
- Used Mercedes-Benz GLC for sale under £30,000
- Used petrol Mercedes-Benz GLC for sale
- Used Mercedes-Benz GLC for sale near Royal Tunbridge Wells
Photos
46 photos of this car are on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.