2020 Mercedes-Benz GLC 2.0 GLC300d AMG Line Premium

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

Price: £20,798. Fair price: £470 (2%) over the AskCar estimate of £20,328, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,875 priced Mercedes-Benz GLC adverts on AskCar as of 31 October 2026.

AskCar lists 2,907 used Mercedes-Benz GLC from 1,171 UK dealerships, as of 31 October 2026.

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
74,685 miles
Year
2020
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
242 bhp
Seats
5
CO2
157 g/km
Colour
White
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 is advertised with 74,685 miles, approximately 22,100 above the typical mileage for its age. The dealer is asking £20,798, which is £470 above the AskCar estimate of £20,328. To work out the AskCar estimate, we analyse UK dealer adverts for 2,875 Mercedes-Benz GLC cars across different ages and specifications. We have tracked this advert today. Its recorded MOT is valid until 23 May 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Carzar, based in Inverness.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 31 October 2026.

Recorded asking prices
Date observedAsking price
31 October 2026£20,798

Price and mileage comparison

Fair price: £470 (2%) over the AskCar estimate of £20,328.

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 2,875 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 22,100 miles higher than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 23 May 2027. 72,674 miles at the last test.

Other matching cars

64 other 2020 Mercedes-Benz GLC AMG Line Premium automatic diesel cars are for sale at UK dealers from £16,990 to £28,439, as of 31 October 2026.

The 5 cheapest:

The 64 matching cars have covered 25,604 to 100,282 miles, compared with 74,685 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

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

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Photos

2 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.