2020 Mercedes-Benz GLC 3.0 AMG Premium

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: 75,207 miles
• Fuel: Petrol
• Body: Coupe, 5 doors, 5 seats
• Engine: 3.0 litres, 384 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 244 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC Premium has covered 75,207 miles, around 21,800 more miles than is typical for its age. The AskCar estimate for this car is £26,492. It is priced at £27,999, which is £1,507 above that estimate. The AskCar estimate draws on 2,776 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 71 days ago. Its asking price has since fallen by £900. Our latest MOT record expired on 22 August 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. It is advertised by Lookers Mercedes-Benz of Gatwick in Crawley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,507 (5%) over the AskCar estimate of £26,492.

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 2,776 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 9 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 9 November 2026.

Time on sale

This 2020 Mercedes-Benz GLC has been on sale for at least 71 days.

Price history

AskCar first saw this advert on 30 August 2026 at £28,899. Its asking price is now £27,999, £900 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 30 August 2026: £28,899
• 2 September 2026: £29,299
• 4 September 2026: £29,599
• 10 September 2026: £29,399
• 13 September 2026: £29,299
• 17 September 2026: £28,899
• 21 September 2026: £28,999
• 22 September 2026: £29,165
• 25 September 2026: £28,999
• 2 October 2026: £28,499
• 6 October 2026: £28,174
• 10 October 2026: £28,572
• 14 October 2026: £28,387
• 21 October 2026: £27,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: the latest record we hold ran out on 22 August 2026; ask the dealer for the current MOT.

It failed its MOT on 6 August 2025 (nearside rear seat belt webbing significantly weakened cut greater than 4mm; offside front inner tyre has ply or cords exposed) and passed 15 days later, on 21 August 2025.

Advisories at the latest test: front brake pad(s) wearing thin; nearside front tyre slightly damaged/cracking or perishing outer side wall damaged.

Mileage at that test: 52,543 miles, which matches the advertised 75,207 miles.

Advertised mileage is about 21,800 miles higher than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.