2023 Mercedes-Benz GLB 1.3 AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: GLB
• Trim: AMG Line Executive
• Version: 1.3 AMG Line Executive DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
• Year: 2023
• Mileage: 17,258 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 7 seats
• Engine: 1.3 litres, 161 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 163 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 17,258 miles, this 2023 Mercedes-Benz GLB AMG Line Executive has covered about 16,400 fewer miles than other 2023 Mercedes-Benz GLB cars. The AskCar estimate for this car is £26,033. It is priced at £24,795, which is £1,238 below that estimate. The AskCar estimate draws on 822 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 24 days ago. Its asking price has since fallen by £700. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at John Clark Motor Group in Peterhead. 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: £1,238 (4%) under the AskCar estimate of £26,033.

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 24 days.

Price history

AskCar first saw this advert on 15 October 2026 at £25,495. Its asking price is now £24,795, £700 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 15 October 2026: £25,495
• 21 October 2026: £24,995
• 31 October 2026: £24,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 9 October 2027.

It has had 2 MOTs. The latest, on 10 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 17,258 miles, which matches the advertised 17,258 miles.

Advertised mileage is about 16,400 miles lower than the median mileage of a 2023 Mercedes-Benz GLB on AskCar.

Similar cars

47 other 2023 Mercedes-Benz GLB AMG Line Executive 1.3 petrol automatic SUVs are for sale at UK dealers, from £17,500 to £27,495, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white. Mileage: 16,495 miles. Price: £25,220, £425 more than this car. Dealer: Evans Halshaw Vauxhall Newport in Newport. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-da4513dcf8ff
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, white. Mileage: 19,248 miles. Price: £24,299, £496 less than this car. Dealer: cinch in Maidstone. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-b78d5045e88e
• 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, red. Mileage: 20,132 miles. Price: £24,119, £676 less than this car. Dealer: Lookers Mercedes-Benz of Stafford in Stafford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-07f286e4120e

• The nearest: 2023 Mercedes-Benz GLB AMG Line Executive, 1.3 petrol SUV, blue, 147 miles from this car. Mileage: 27,938 miles. Price: £23,844, £951 less than this car. Dealer: Stratstone Mercedes-Benz of Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-ef454dcdef0e