2020 Mercedes-Benz GLC

2.0 GLC300d AMG Line Premium G-Tronic+ 4WD Euro 6 (s/s) 5dr (242 bhp)

£20,000

Fair price: within 8% of the typical £20,361 for this model, age and mileage, drawing on 2,802 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: GLC
Trim: AMG LINE PREMIUM
Version: 2.0 GLC300d AMG Line Premium G-Tronic+ 4WD Euro 6 (s/s) 5dr (242 bhp)
Mileage: 76,000 miles
Year: 2020
Fuel type: Diesel
Body type: SUV
Engine: 2.0 L
Gearbox: Automatic
Power: 242 bhp
Seats: 5
CO2: 172 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: G-Tronic+
Engine badge: GLC300d
Emissions standard: Euro 6

About this car

This 2020 Mercedes-Benz GLC AMG Line Premium has covered 76,000 miles, around 23,000 more than typical for its age. At £20,000, it is advertised £361 below our estimated market asking price of £20,361. The estimate uses 2,802 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 117 days ago. Its asking price has since fallen by £500. That may be worth mentioning if you discuss the price with the dealer. The latest MOT record shows an expiry date of 9 July 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Car Valley in Woodford Green.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 June 2026, 117 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £500 from the first recorded £20,500. 1 price reduction recorded, the latest observed on 16 August 2026.

Recorded asking prices
Date observed	Asking price
30 June 2026	£20,500
7 July 2026	£20,500
16 August 2026	£20,000
23 October 2026	£20,000

Price and mileage comparison

Estimated market asking price: £20,361. The asking price is £361 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 2,802 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 23,000 miles higher than typical for a 2020 Mercedes-Benz GLC.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 9 July 2027. 76,134 miles at the last test.

67 other cars with the same year, trim, gearbox and fuel are for sale from £16,678 to £28,439.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£16,678	88,500 miles
£16,990	100,282 miles
£17,857	88,731 miles
£18,213	90,288 miles
£18,480	100,000 miles

These cars have covered 22,243–100,282 miles, compared with 76,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz GLC cars for sale · 2020 Mercedes-Benz GLC price guide

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