2020 Mercedes-Benz B Class 1.3 B180 Sport Executive

Overview

• Make: Mercedes-Benz
• Model: B Class
• Trim: Sport Executive
• Version: 1.3 B180 Sport Executive DCT FWD Euro 6 (s/s) 5dr 7G (134 bhp)
• Year: 2020
• Mileage: 36,725 miles
• Fuel: Petrol
• Body: MPV, 5 doors, 5 seats
• Engine: 1.3 litres, 134 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz B Class Sport Executive has covered 36,725 miles. Its asking price of £14,393 is £770 above the AskCar estimate of £13,623. The AskCar estimate uses UK dealer asking prices, including 763 Mercedes-Benz B Class adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 30 days ago, the asking price has dropped by £700. Its advertised mileage matches the government's MOT record. The seller is Aylesbury Trade Centre, based in Aylesbury. 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: £770 (5%) over the AskCar estimate of £13,623.

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 763 priced Mercedes-Benz B Class adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz B Class with the 1.3 petrol engine is typically advertised at £15,000: the median of the 32 for sale on AskCar, as of 7 November 2026.

Time on sale

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

Price history

AskCar first saw this advert on 8 October 2026 at £15,093. Its asking price is now £14,393, £700 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 8 October 2026: £15,093
• 16 October 2026: £14,893
• 27 October 2026: £14,593
• 7 November 2026: £14,393

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 29 June 2027.

It has had 4 MOTs. The latest, on 19 June 2026, passed.

Advisories at the latest test: front brake disc worn, but not excessively; rear brake disc worn, but not excessively; offside front lower suspension arm ball joint has slight play; and 1 more.

Mileage at that test: 33,509 miles, which matches the advertised 36,725 miles.

Advertised mileage is about 1,500 miles lower than the median mileage of a 2020 Mercedes-Benz B Class on AskCar.

Similar cars

6 other 2020 Mercedes-Benz B Class Sport Executive 1.3 petrol automatic MPVs are for sale at UK dealers, from £13,799 to £18,250, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz B Class Sport Executive, 1.3 petrol MPV, grey. Mileage: 31,301 miles. Price: £15,999, £1,606 more than this car. Dealer: Eastern Western Motor Group Western Mercedes-Benz of Coldstream in Coldstream. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-3ce2eb5d8f67
• 2020 Mercedes-Benz B Class Sport Executive, 1.3 petrol MPV, grey. Mileage: 45,000 miles. Price: £15,200, £807 more than this car. Dealer: Bob Davies Car Sales in Ebbw Vale. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-c94f71887810
• 2020 Mercedes-Benz B Class Sport Executive, 1.3 petrol MPV, silver. Mileage: 46,000 miles. Price: £13,799, £594 less than this car. Dealer: Plympton Car Centre (Plymouth) in Plympton. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-73c682c2be42

• The nearest: 2020 Mercedes-Benz B Class Sport Executive, 1.3 petrol MPV, silver, 19 miles from this car. Mileage: 18,000 miles. Price: £14,880, £487 more than this car. Dealer: Wembley Prestige Cars in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-4d86a3335663