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: 51,780 miles
• Fuel: Diesel
• Body: SUV, 5 doors
• 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 has covered 51,780 miles. Priced at £21,699, it is advertised £368 above the AskCar estimate of £21,331. The AskCar estimate uses UK dealer asking prices, including 841 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 72 days ago, the asking price has dropped by £1,600. Our records show an MOT expiry date of 26 August 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. It is advertised by Lookers Mercedes-Benz of Stoke in Stoke-on-Trent. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £368 (1%) over the AskCar estimate of £21,331.

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 841 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £21,000: the median of the 44 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Mercedes-Benz GLB has been on sale for at least 72 days.

Price history

AskCar first saw this advert on 27 August 2026 at £23,299. Its asking price is now £21,699, £1,600 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 27 August 2026: £23,299
• 29 August 2026: £23,399
• 4 September 2026: £23,349
• 11 September 2026: £23,299
• 12 September 2026: £23,249
• 15 September 2026: £22,999
• 22 September 2026: £22,799
• 29 September 2026: £22,749
• 30 September 2026: £22,399
• 2 October 2026: £22,149
• 4 October 2026: £22,099
• 6 October 2026: £19,999
• 7 October 2026: £21,999
• 9 October 2026: £22,299
• 13 October 2026: £22,199
• 14 October 2026: £22,149
• 15 October 2026: £21,999
• 24 October 2026: £21,499
• 27 October 2026: £21,799
• 29 October 2026: £21,749
• 5 November 2026: £21,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 26 August 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 27 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 41,564 miles, which matches the advertised 51,780 miles.

Advertised mileage is about 400 miles higher than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

29 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 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 51,813 miles. Price: £21,200, £499 less than this car. Dealer: Marshall Nissan Dartford in Dartford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-64204af2b95b
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 51,637 miles. Price: £20,500, £1,199 less than this car. Dealer: Marshall OMODA & JAECOO Lincoln in Lincoln. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-cf9a65566b0f
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 51,341 miles. Price: £20,995, £704 less than this car. Dealer: NottinghamCar.com in Nottingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-611ba76014e1

• The nearest: 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white, 26 miles from this car. Mileage: 47,457 miles. Price: £19,317, £2,382 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-7fff2c83986a