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: 36,609 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Black
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 36,609 miles on the clock, this 2023 Mercedes-Benz GLB AMG Line Premium has done roughly 3,000 more miles than a typical 2023 Mercedes-Benz GLB. Priced at £23,890, it is advertised £677 below the AskCar estimate of £24,567. The AskCar estimate uses UK dealer asking prices, including 822 Mercedes-Benz GLB adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 56 days ago. Its asking price has since fallen by £1,600. We checked its advertised mileage against the government's MOT record, and they match. The seller is Group 1 Automotive Mercedes-Benz of Stevenage, based in Stevenage. 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: £677 (2%) under the AskCar estimate of £24,567.

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 56 days.

Price history

AskCar first saw this advert on 13 September 2026 at £25,490. Its asking price is now £23,890, £1,600 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 13 September 2026: £25,490
• 25 September 2026: £25,290
• 3 October 2026: £24,990
• 10 October 2026: £24,750
• 19 October 2026: £24,490
• 24 October 2026: £24,350
• 30 October 2026: £24,290
• 7 November 2026: £23,890

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 23 February 2027.

It has had one MOT, on 24 February 2026, and passed.

Advisories at the latest test: offside rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 30,924 miles, which matches the advertised 36,609 miles.

Advertised mileage is about 3,000 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, white. Mileage: 34,261 miles. Price: £24,670, £780 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-2023-cb51354b3144
• 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, grey. Mileage: 39,711 miles. Price: £23,995, £105 more than this car. Dealer: Riverside Auto Sales in Liverpool. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-1493b5eb1b00
• 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, grey. Mileage: 33,093 miles. Price: £24,995, £1,105 more than this car. Dealer: Stratstone Mercedes-Benz of Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-3d0cc578b0f7

• The nearest: 2023 Mercedes-Benz GLB AMG Line Premium, 1.3 petrol SUV, grey, 13 miles from this car. Mileage: 58,648 miles. Price: £20,201, £3,689 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-a05107eca529