2021 Mercedes-Benz GLB 1.3 GLB200 AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line
• Version: 1.3 AMG Line Auto FWD Euro 6 5dr (160 bhp)
• Year: 2021
• Mileage: 87,258 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 160 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: White
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 87,258 miles, this 2021 Mercedes-Benz GLB AMG Line has covered about 39,900 more miles than other 2021 Mercedes-Benz GLB cars. The AskCar estimate for this car is £15,658. It is priced at £16,800, which is £1,142 above that estimate. 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 91 days ago. Its asking price has since fallen by £860. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Evans Halshaw Renault Durham in Co.durham. 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: £1,142 (7%) over the AskCar estimate of £15,658.

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 91 days.

Price history

AskCar first saw this advert on 8 August 2026 at £17,660. Its asking price is now £16,800, £860 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

• 8 August 2026: £17,660
• 25 August 2026: £17,340
• 8 September 2026: £16,960
• 7 October 2026: £16,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 15 July 2027.

It has had 3 MOTs. The latest, on 13 July 2026, passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 86,110 miles, which matches the advertised 87,258 miles.

Advertised mileage is about 39,900 miles higher than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.

Similar cars

25 other 2021 Mercedes-Benz GLB AMG Line 1.3 petrol automatic SUVs are for sale at UK dealers, from £15,795 to £22,595, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, blue. Mileage: 90,000 miles. Price: £16,995, £195 more than this car. Dealer: Rix Motors in Warrington. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-f31d8a05af77
• 2021 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, red. Mileage: 80,000 miles. Price: £17,900, £1,100 more than this car. Dealer: Mylson in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-e3b3f83b859f
• 2021 Mercedes-Benz GLB AMG Line, 1.3 petrol SUV, grey. Mileage: 95,412 miles. Price: £15,990, £810 less than this car. Dealer: Lennox Auto in Brent. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-082e830efff0