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: 16,105 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 160 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Black
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 16,105 miles on the clock, this 2020 Mercedes-Benz GLB AMG Line Premium has done roughly 35,200 fewer miles than a typical 2020 Mercedes-Benz GLB. The dealer is asking £23,500, which is £120 below the AskCar estimate of £23,620. To work out the AskCar estimate, we analyse UK dealer adverts for 802 Mercedes-Benz GLB cars across different ages and specifications. The asking price is now £1,500 lower than when we first recorded the advert 40 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Sytner Group Mercedes-Benz of Temple Fortune in Middlesex. 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: £120 (under 1%) under the AskCar estimate of £23,620.

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.

Time on sale

This 2020 Mercedes-Benz GLB has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 30 September 2026 at £25,000. Its asking price is now £23,500, £1,500 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 30 September 2026: £25,000
• 16 October 2026: £24,500
• 29 October 2026: £24,000
• 5 November 2026: £23,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 16 July 2027.

It has had 4 MOTs. The latest, on 23 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 15,710 miles, which matches the advertised 16,105 miles.

Advertised mileage is about 35,200 miles lower than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.

Similar cars

2 other 2020 Mercedes-Benz GLB AMG Line Premium 1.3 petrol automatic SUVs are for sale at UK dealers, from £15,500 to £19,980, as of 9 November 2026.

The 2 closest to this car in mileage:

• 2020 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, red. Mileage: 51,622 miles. Price: £19,980, £3,520 less than this car. Dealer: Windsor Car Centre in Windsor. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-c16c9f2ab583
• 2020 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, grey. Mileage: 105,000 miles. Price: £15,500, £8,000 less than this car. Dealer: Jfm Cars in Woodford Green. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-e1538c609d30