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: 36,831 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: White
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLB AMG Line Premium is advertised with 36,831 miles, approximately 14,700 below the typical mileage for its age. Its asking price of £22,998 is £18 above the AskCar estimate of £22,980. The AskCar estimate uses 822 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 26 days ago. Its asking price has since fallen by £500. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at CarSupermarket.com Hessle in East Riding of Yorkshire. 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: £18 (under 1%) over the AskCar estimate of £22,980.

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

This 2020 Mercedes-Benz GLB has been on sale for at least 26 days.

Price history

AskCar first saw this advert on 13 October 2026 at £23,498. Its asking price is now £22,998, £500 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 13 October 2026: £23,498
• 6 November 2026: £22,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 30 June 2027.

It has had 4 MOTs. The latest, on 19 June 2026, passed.

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; nearside rear tyre slightly damaged/cracking or perishing; and 1 more.

Mileage at that test: 34,772 miles, which matches the advertised 36,831 miles.

Advertised mileage is about 14,700 miles lower than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

28 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 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 37,770 miles. Price: £22,077, £921 less than this car. Dealer: LSH Auto Mercedes-Benz of Stockport in Stockport. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-8d98a9ccf3df
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 40,000 miles. Price: £22,780, £218 less than this car. Dealer: Phantom Motor Company in Hindley Green. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-1a2bc73dc5b0
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 41,915 miles. Price: £22,650, £348 less than this car. Dealer: Group 1 Automotive Mercedes-Benz Of Cambridge in Cambridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-37501c2b7d75

• The nearest: 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, grey, 12 miles from this car. Mileage: 67,137 miles. Price: £19,798, £3,200 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-f5e2bbd61c9f