2020 Mercedes-Benz GLB

2.0 GLB220d AMG Line Premium DCT 4WD Euro 6 (s/s) 5dr 8G (5 Seat) (187 bhp)

£20,060

Good value: £1,895 under the typical £21,955 for this model, age and mileage, drawing on 876 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
GLB
Trim
AMG LINE PREMIUM
Version
2.0 GLB220d AMG Line Premium DCT 4WD Euro 6 (s/s) 5dr 8G (5 Seat) (187 bhp)
Mileage
48,893 miles
Year
2020
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
161 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
DCT
Engine badge
GLB220d
Emissions standard
Euro 6

About this car

This 2020 Mercedes-Benz GLB AMG Line Premium is advertised with 48,893 miles, approximately 2,400 below the typical mileage for its age. The dealer is asking £20,060, which is £1,895 below our market estimate of £21,955. To estimate its market asking price, we analyse UK dealer adverts for 876 Mercedes-Benz GLB cars across different ages and specifications. Since we first spotted the advert 97 days ago, the asking price has dropped by £2,370. The time on sale and price change could be useful context when negotiating. Its recorded MOT is valid until 27 March 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Big Motoring World Blue Bell Hill, based in Chatham.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 July 2026, 97 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £2,370 from the first recorded £22,430. 10 price reductions recorded, the latest observed on 13 October 2026.

Recorded asking prices
Date observedAsking price
20 July 2026£22,430
30 July 2026£22,260
3 August 2026£22,240
8 August 2026£21,740
11 August 2026£21,550
12 August 2026£21,550
19 August 2026£21,200
26 September 2026£19,890
29 September 2026£19,830
30 September 2026£19,770
1 October 2026£19,790
3 October 2026£19,800
6 October 2026£19,820
7 October 2026£19,800
13 October 2026£19,580
19 October 2026£20,060
23 October 2026£20,060

Price and mileage comparison

Estimated market asking price: £21,955. The asking price is £1,895 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 876 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,400 miles lower than typical for a 2020 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 27 March 2027. 45,949 miles at the last test.

37 other cars with the same year, trim, gearbox and fuel are for sale from £16,195 to £27,200.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,195107,698 miles
£17,00095,000 miles
£17,031104,000 miles
£17,79981,078 miles
£18,57276,883 miles

These cars have covered 1,950–107,698 miles, compared with 48,893 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 GLB cars for sale · 2020 Mercedes-Benz GLB price guide

More like this

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.