2020 Mercedes-Benz GLB 2.0 GLB220d AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium
• Version: 2.0 GLB220d AMG Line Premium DCT 4WD Euro 6 (s/s) 5dr 8G (187 bhp)
• Year: 2020
• Mileage: 43,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (DCT)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLB AMG Line Premium has covered 43,000 miles, around 8,300 fewer miles than is typical for its age. The dealer is asking £23,995, which is £1,166 above the AskCar estimate of £22,829. To work out the AskCar estimate, we analyse UK dealer adverts for 802 Mercedes-Benz GLB cars across different ages and specifications. It first appeared in our advert records 32 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Steven Eagell Toyota Birmingham, based in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,166 (5%) over the AskCar estimate of £22,829.

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 802 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 9 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 9 November 2026.

Time on sale

This 2020 Mercedes-Benz GLB has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 8 October 2026 at £22,995. Its asking price is now £23,995, £1,000 more.

Price changes recorded:

• 8 October 2026: £22,995
• 18 October 2026: £23,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 22 September 2027.

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

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge; rear brake pad(s) wearing thin both sides.

Mileage at that test: 41,806 miles, which matches the advertised 43,000 miles.

Advertised mileage is about 8,300 miles lower than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

27 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 9 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 43,467 miles. Price: £22,695, £1,300 less than this car. Dealer: Motor Trust Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-16b2c166d2db
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, black. Mileage: 43,716 miles. Price: £23,650, £345 less than this car. Dealer: The Car Group UK in Havering. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-4e9d5d2cd68f
• 2020 Mercedes-Benz GLB AMG Line Premium, 2.0 diesel SUV, white. Mileage: 41,915 miles. Price: £22,650, £1,345 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, black, 5 miles from this car. Mileage: 70,448 miles. Price: £19,500, £4,495 less than this car. Dealer: Westley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-6a5084939c2e