2020 Mercedes-Benz GLB 2.0 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium
• Version: 2.0 AMG Line Premium Auto Euro 6 5dr
• Year: 2020
• Mileage: 46,052 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Black
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 46,052 miles on the clock, this 2020 Mercedes-Benz GLB AMG Line Premium has done roughly 5,700 fewer miles than a typical 2020 Mercedes-Benz GLB. The dealer is asking £22,490, which is £632 above the AskCar estimate of £21,858. To work out the AskCar estimate, we analyse UK dealer adverts for 848 Mercedes-Benz GLB cars across different ages and specifications. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Mercedes-Benz of Nottingham, based in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £632 (2%) over the AskCar estimate of £21,858.

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 848 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 12 November 2026.

A 2020 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £20,500: the median of the 41 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2020 Mercedes-Benz GLB advertised today. About half of 2020 Mercedes-Benz GLB cars are gone from sale within a month of being advertised: 56 of the 117 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £22,490. 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 12 November 2026: valid until 19 November 2026.

It has had 3 MOTs. The latest, on 20 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 37,125 miles, which matches the advertised 46,052 miles.

Advertised mileage is about 5,700 miles lower than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

26 other 2020 Mercedes-Benz GLB AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,000 to £24,995, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 47,457 miles. Price: £19,317, £3,173 less than this car. Dealer: Carsa Durham in Durham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-7fff2c83986a
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 48,353 miles. Price: £20,999, £1,491 less than this car. Dealer: Hedin Automotive Mercedes-Benz And Smart Of Croydon in Croydon. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-4994a5395148
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 43,467 miles. Price: £22,695, £205 more than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-16b2c166d2db

• The nearest: 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black, 2 miles from this car. Mileage: 51,341 miles. Price: £20,995, £1,495 less than this car. Dealer: NottinghamCar.com in Nottingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-611ba76014e1