2020 Mercedes-Benz GLB 2.0

Overview

• Make: Mercedes-Benz
• Model: GLB
• Version: 2.0 Auto Euro 6 5dr
• Year: 2020
• Mileage: 37,500 miles
• Fuel: Diesel
• Body: SUV, 5 doors
• Engine: 2.0 litres
• Gearbox: Automatic
• Colour: Grey
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 37,500 miles, this 2020 Mercedes-Benz GLB has covered about 14,000 fewer miles than other 2020 Mercedes-Benz GLB cars. Its asking price of £21,395 is £916 below the AskCar estimate of £22,311. The AskCar estimate uses 822 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 30 days ago. Its asking price has since fallen by £300. The seller is Andreas Prestige, based in Slough. 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: £916 (4%) under the AskCar estimate of £22,311.

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 2020 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £21,000: the median of the 42 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 Mercedes-Benz GLB has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 9 October 2026 at £21,695. Its asking price is now £21,395, £300 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 9 October 2026: £21,695
• 29 October 2026: £21,395

Mileage and MOT

Advertised mileage is about 14,000 miles lower than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.