2020 Mercedes-Benz GLB 2.0

Price: £20,126. Fair price: £16 (under 1%) under the AskCar estimate of £20,142, our expected asking price for this car from its model, age, mileage and specification, drawing on 835 priced Mercedes-Benz GLB adverts on AskCar as of 10 November 2026.

AskCar lists 841 used Mercedes-Benz GLB from 391 UK dealerships, as of 10 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLB
  • Version: 2.0 Auto Euro 6 5dr
  • Year: 2020
  • Mileage: 57,534 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors
  • Engine: 2.0 litres
  • Gearbox: Automatic
  • Colour: Grey
  • CO2: 161 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 57,534 miles on the clock, this 2020 Mercedes-Benz GLB has done roughly 6,200 more miles than a typical 2020 Mercedes-Benz GLB. The dealer is asking £20,126, which is £16 below the AskCar estimate of £20,142. To work out the AskCar estimate, we analyse UK dealer adverts for 835 Mercedes-Benz GLB cars across different ages and specifications. We first saw this car advertised 89 days ago. Its asking price has since fallen by £1,264. Our records show an MOT expiry date of 15 October 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw BYD Wolverhampton, based in Wolverhampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Evans Halshaw BYD Wolverhampton is rated 4.7 out of 5 on Google.

Price

Fair price: £16 (under 1%) under the AskCar estimate of £20,142.

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 835 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 10 November 2026.

A 2020 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £21,000: the median of the 41 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2020 Mercedes-Benz GLB has been on sale for at least 89 days.

Price history

AskCar first saw this advert on 13 August 2026 at £21,390. Its asking price is now £20,126, £1,264 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

  • 13 August 2026: £21,390
  • 19 August 2026: £20,890
  • 25 August 2026: £20,580
  • 3 September 2026: £20,390
  • 16 September 2026: £20,380
  • 29 September 2026: £20,080
  • 7 October 2026: £19,720
  • 14 October 2026: £19,310
  • 3 November 2026: £20,126

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: the latest record we hold ran out on 15 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 16 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 46,976 miles, which matches the advertised 57,534 miles.

Advertised mileage is about 6,200 miles higher than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

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

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Photos

29 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.