2020 Mercedes-Benz GLB 1.3 GLB200 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Premium
• Version: 1.3 AMG Line Premium Auto FWD Euro 6 5dr (160 bhp)
• Year: 2020
• Mileage: 51,622 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 160 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Red
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLB AMG Line Premium has covered 51,622 miles. The AskCar estimate for this car is £20,089. It is priced at £19,980, which is £109 below that estimate. The AskCar estimate uses 822 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 75 days ago. Its asking price has since fallen by £1,438. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Windsor Car Centre, based in Windsor and Maidenhead. 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: £109 (under 1%) under the AskCar estimate of £20,089.

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

This 2020 Mercedes-Benz GLB has been on sale for at least 75 days.

Price history

AskCar first saw this advert on 25 August 2026 at £21,418. Its asking price is now £19,980, £1,438 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 25 August 2026: £21,418
• 13 September 2026: £20,980
• 24 October 2026: £19,980

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 26 August 2027.

It has had 4 MOTs. The latest, on 27 August 2026, passed.

Advisories at the latest test: UNDERTRAY FITTED.

Mileage at that test: 29,268 miles, which matches the advertised 51,622 miles.

Advertised mileage is about 100 miles higher than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

2 other 2020 Mercedes-Benz GLB AMG Line Premium 1.3 petrol automatic SUVs are for sale at UK dealers, from £15,500 to £23,500, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, black. Mileage: 16,105 miles. Price: £23,500, £3,520 more than this car. Dealer: Sytner Group Mercedes-Benz of Temple Fortune in Camden. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-5524d31750ff
• 2020 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, grey. Mileage: 105,000 miles. Price: £15,500, £4,480 less than this car. Dealer: Jfm Cars in Woodford Green. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-e1538c609d30