2021 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 (161 bhp)
• Year: 2021
• Mileage: 33,850 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 33,850 miles on the clock, this 2021 Mercedes-Benz GLB AMG Line Premium has done roughly 13,500 fewer miles than a typical 2021 Mercedes-Benz GLB. Its asking price of £22,995 is £515 above the AskCar estimate of £22,480. The AskCar estimate draws on 841 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 50 days ago. Its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Skinners Of Rye, based in Rye. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £515 (2%) over the AskCar estimate of £22,480.

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 841 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 7 November 2026.

A 2021 Mercedes-Benz GLB with the 1.3 petrol engine is typically advertised at £21,000: the median of the 52 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz GLB has been on sale for at least 50 days.

Price history

AskCar first saw this advert on 18 September 2026 at £23,495. Its asking price is now £22,995, £500 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 19 September 2026: £23,495
• 24 October 2026: £22,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 17 June 2027.

It has had 3 MOTs. The latest, on 3 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,418 miles, which matches the advertised 33,850 miles.

Advertised mileage is about 13,500 miles lower than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.

Similar cars

16 other 2021 Mercedes-Benz GLB AMG Line Premium 1.3 petrol automatic SUVs are for sale at UK dealers, from £18,480 to £23,498, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, black. Mileage: 33,468 miles. Price: £23,117, £122 more than this car. Dealer: Stratstone Mercedes-Benz of Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-668eefd86e11
• 2021 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, red. Mileage: 38,019 miles. Price: £19,250, £3,745 less than this car. Dealer: Swansway Garages Swansway Honda Stockport in Stockport. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-5d647c1bf23a
• 2021 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, blue. Mileage: 38,116 miles. Price: £22,399, £596 less than this car. Dealer: cinch in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-41986bfc5ed3

• The nearest: 2021 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, white, 42 miles from this car. Mileage: 20,881 miles. Price: £23,190, £195 more than this car. Dealer: Stratstone Mercedes-Benz of Lakeside in Chafford Hundred and West Thurrock. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-73bdf04bc5fc