2020 Mercedes-Benz GLB 2.0 GLB220d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium Plus
• Version: 2.0 GLB220d AMG Line Premium Plus DCT 4WD Euro 6 (s/s) 5dr 8G (187 bhp)
• Year: 2020
• Mileage: 40,020 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 40,020 miles, this 2020 Mercedes-Benz GLB AMG Line Premium Plus has covered about 11,500 fewer miles than other 2020 Mercedes-Benz GLB cars. The dealer is asking £23,520, which is £526 below the AskCar estimate of £24,046. To work out the AskCar estimate, we analyse UK dealer adverts for 822 Mercedes-Benz GLB cars across different ages and specifications. This car was first seen in our listings data 4 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Carbase Weston-super-Mare, based in Weston-Super-Mare. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £526 (2%) under the AskCar estimate of £24,046.

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 822 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 8 November 2026.

A 2020 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £21,000: the median of the 42 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2020 Mercedes-Benz GLB advertised 4 days ago. About half of 2020 Mercedes-Benz GLB cars are gone from sale within a month of being advertised: 56 of the 115 first advertised between 11 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £23,520. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 11 November 2026.

It failed its MOT on 3 November 2025 (nearside front windscreen wiper does not clear the windscreen effectively; offside front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 31,008 miles, which matches the advertised 40,020 miles.

Advertised mileage is about 11,500 miles lower than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

1 other 2020 Mercedes-Benz GLB AMG Line Premium Plus 2.0 diesel automatic SUV is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium Plus, 2.0 diesel SUV, blue. Mileage: 52,471 miles. Price: £22,895, £625 less than this car. Dealer: Essex Car Company in Rainham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-f12364df2043