2020 Mercedes-Benz GLB 1.3 GLB200 AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line
• Version: 1.3 GLB200 AMG Line DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
• Year: 2020
• Mileage: 50,069 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 Mercedes-Benz GLB AMG Line is 50,069 miles. Its asking price of £18,200 is £851 below the AskCar estimate of £19,051. 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 have tracked this advert for 2 days. The government's MOT record matches its advertised mileage. It is for sale at Fusion Motors in Grays. 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: £851 (4%) under the AskCar estimate of £19,051.

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.

Time on sale

AskCar first saw this 2020 Mercedes-Benz GLB advertised 2 days ago. About half of 2020 Mercedes-Benz GLB cars are gone from sale within a month of being advertised: 56 of the 115 first advertised between 11 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £18,200. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 18 November 2026.

It has had 3 MOTs. The latest, on 2 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 27,678 miles, which matches the advertised 50,069 miles.

Advertised mileage is about 1,400 miles lower than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

2 other 2020 Mercedes-Benz GLB AMG Line 1.3 petrol automatic SUVs are for sale at UK dealers, from £16,000 to £19,895, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, grey. Mileage: 41,138 miles. Price: £19,895, £1,695 more than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-d5d82d54eb36
• 2020 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, white. Mileage: 82,380 miles. Price: £16,000, £2,200 less than this car. Dealer: Your Car Supermarket in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-8e39a759b0c8