2020 Mercedes-Benz GLB 2.0 GLB200d AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line
• Version: 2.0 AMG Line Auto FWD Euro 6 5dr (147 bhp)
• Year: 2020
• Mileage: 28,299 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres, 147 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 28,299 miles, this 2020 Mercedes-Benz GLB AMG Line has covered about 23,200 fewer miles than other 2020 Mercedes-Benz GLB cars. The dealer is asking £25,499, which is £2,312 above the AskCar estimate of £23,186. To work out the AskCar estimate, we analyse UK dealer adverts for 822 Mercedes-Benz GLB cars across different ages and specifications. The asking price is now £1,800 lower than when we first recorded the advert 79 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Lookers Mercedes-Benz of Gatwick in Crawley. 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

Above the going rate: £2,312 (9%) over the AskCar estimate of £23,186.

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 79 days.

Price history

AskCar first saw this advert on 21 August 2026 at £27,299. Its asking price is now £25,499, £1,800 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 21 August 2026: £27,299
• 22 August 2026: £27,699
• 27 August 2026: £27,599
• 2 September 2026: £28,099
• 8 September 2026: £27,899
• 16 September 2026: £27,573
• 21 September 2026: £27,399
• 26 September 2026: £26,999
• 1 October 2026: £26,799
• 6 October 2026: £25,956
• 8 October 2026: £26,292
• 16 October 2026: £25,999
• 23 October 2026: £25,899
• 3 November 2026: £25,699
• 5 November 2026: £25,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 19 July 2027.

It has had 5 MOTs. The latest, on 9 July 2026, passed.

Advisories at the latest test: nearside rear drive shaft joint constant velocity boot severely deteriorated.

Mileage at that test: 27,707 miles, which matches the advertised 28,299 miles.

Advertised mileage is about 23,200 miles lower than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

2 other 2020 Mercedes-Benz GLB AMG Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £18,699 to £25,099, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line, 2.0 diesel SUV, white. Mileage: 32,674 miles. Price: £25,099, £400 less than this car. Dealer: cinch in Canterbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-ec41113ad8e7
• 2020 Mercedes-Benz GLB AMG Line, 2.0 diesel SUV, grey. Mileage: 62,000 miles. Price: £18,699, £6,800 less than this car. Dealer: Abaza Motors in Ealing. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-cfd9d1f23834