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: 32,674 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 7 seats
• Engine: 2.0 litres, 147 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: White
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLB AMG Line has covered 32,674 miles, around 18,800 fewer miles than is typical for its age. Priced at £25,099, it is advertised £2,368 above the AskCar estimate of £22,731. The AskCar estimate uses UK dealer asking prices, including 822 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 12 days ago. Its asking price has since fallen by £100. We checked its advertised mileage against the government's MOT record, and they match. The seller is cinch, based in Canterbury. 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: £2,368 (10%) over the AskCar estimate of £22,731.

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 12 days.

Price history

AskCar first saw this advert on 27 October 2026 at £25,199. Its asking price is now £25,099, £100 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 27 October 2026: £25,199
• 28 October 2026: £25,399
• 6 November 2026: £25,099

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 16 October 2027.

It failed its MOT on 17 October 2026 (offside headlamp aim too high) and passed later the same day.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge badly worn on outer edge; nearside front tyre worn close to legal limit/worn on edge wearing on outer edge.

Mileage at that test: 32,775 miles, which matches the advertised 32,674 miles.

Advertised mileage is about 18,800 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 £25,499, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line, 2.0 diesel SUV, blue. Mileage: 28,299 miles. Price: £25,499, £400 more than this car. Dealer: Lookers Mercedes-Benz of Gatwick in Crawley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-1afa49e14a6f
• 2020 Mercedes-Benz GLB AMG Line, 2.0 diesel SUV, grey. Mileage: 62,000 miles. Price: £18,699, £6,400 less than this car. Dealer: Abaza Motors in Ealing. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-cfd9d1f23834