2023 Mercedes-Benz GLB 1.3 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: 2023
• Mileage: 42,768 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Mercedes-Benz GLB AMG Line Premium has covered 42,768 miles, around 9,200 more miles than is typical for its age. The dealer is asking £22,699, which is £1,128 below the AskCar estimate of £23,827. To work out the AskCar estimate, we analyse UK dealer adverts for 822 Mercedes-Benz GLB cars across different ages and specifications. The asking price is now £1,051 lower than when we first recorded the advert 38 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Gates of Harlow, based in Harlow. 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: £1,128 (4%) under the AskCar estimate of £23,827.

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.

A 2023 Mercedes-Benz GLB with the 1.3 petrol engine is typically advertised at £24,300: the median of the 118 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 Mercedes-Benz GLB has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 1 October 2026 at £23,750. Its asking price is now £22,699, £1,051 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 1 October 2026: £23,750
• 30 October 2026: £23,299
• 5 November 2026: £22,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 1 March 2027.

It has had one MOT, on 2 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 23,444 miles, which matches the advertised 42,768 miles.

Advertised mileage is about 9,200 miles higher than the median mileage of a 2023 Mercedes-Benz GLB on AskCar.

Similar cars

38 other 2023 Mercedes-Benz GLB AMG Line Premium 1.3 petrol automatic SUVs are for sale at UK dealers, from £19,750 to £46,950, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, grey. Mileage: 41,255 miles. Price: £22,699, the same price as this car. Dealer: cinch in Melton Mowbray. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-1258e43e60be
• 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, white. Mileage: 44,497 miles. Price: £22,000, £699 less than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-e9f9c1ed5fb5
• 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, grey. Mileage: 44,565 miles. Price: £22,000, £699 less than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-5c280bcd8b22

• The nearest: 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, black, 16 miles from this car. Mileage: 36,609 miles. Price: £23,890, £1,191 more than this car. Dealer: Group 1 Automotive Mercedes-Benz of Stevenage in Stevenage. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-412c41e4fdc0