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: £20,000. Fair price: £990 (4%) under the AskCar estimate of £20,990, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,819 priced Mercedes-Benz GLC adverts on AskCar as of 30 October 2026.

AskCar lists 2,853 used Mercedes-Benz GLC from 1,159 UK dealerships, as of 30 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
69,600 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 69,600 miles, around 17,400 more miles than is typical for its age. The AskCar estimate for this car is £20,990. It is priced at £20,000, which is £990 below that estimate. The AskCar estimate uses UK dealer asking prices, including 2,819 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. Its recorded MOT is valid until 24 August 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is JCT600 Kia Castleford, based in Castleford.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£20,000

Price and mileage comparison

Fair price: £990 (4%) under the AskCar estimate of £20,990.

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 2,819 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 17,400 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 24 August 2027. 68,909 miles at the last test.

Other matching cars

62 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 30 October 2026.

The 5 cheapest:

The 62 matching cars have covered 25,604 to 100,282 miles, compared with 69,600 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

More like this

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

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.