Used Mercedes-Benz B-Class for sale near Portsmouth

CarGurus expert rating: 4 out of 5
CarGurus user rating: 4.7 out of 5
Percentage of good/great deals available on CarGurus: 31.8%
Overall CarGurus rating:* 4.3 out of 5
Available Listings: Around 400
Average Price: Around £10,500

Mercedes-Benz B-Class (2019-present) Pros and Cons

Pros	Cons
Roomy and practical cabin	There are cheaper MPVs with even more space, if you can live with a humble badge
Tax-efficient plug-in hybrid	Not very exciting to drive
Comfortable ride	Plain-looking exterior

Quick Summary

The Mercedes-Benz B-Class (2019-present) is an upmarket, five-seat MPV that prioritises comfort and practicality over driving excitement. This third-generation model launched to positive reviews, featuring the impressive MBUX infotainment system, comprehensive driver aids, and a spacious interior with considerably more rear-seat legroom and headroom than its A-Class sibling. Boot space is respectable at 455 litres, expanding to a generous 705 litres with the sliding rear seats pushed forward. The cabin feels premium throughout, with soft-touch materials and pin-sharp twin-screen displays dominating the dashboard.

A wide variety of engine options cater to different needs: diesel choices include the 114bhp B180d, 146bhp B200d, and 185bhp B220d, whilst petrol buyers can select the 132bhp B180, 159bhp B200, or 221bhp B250. The standout option is the B250e plug-in hybrid, offering 42 miles of all-electric range and low CO2 emissions, making it particularly tax-efficient for company car drivers. From the driver's seat, the B-Class delivers a smooth, absorbing ride ideal for relaxed motorway cruising, though it's better suited to steady driving than enthusiastic cornering. Running costs vary by engine choice, with plug-in hybrid owners enjoying the lowest fuel bills if they can recharge regularly, whilst diesel variants offer consistent economy around 54mpg.

Best for: Buyers seeking an upmarket, practical family car that values understatement and comfort, company car drivers (especially with the plug-in hybrid), and those prioritising interior space and premium cabin quality.

Not ideal for: Drivers wanting the most spacious MPV for the money, those seeking an exciting driving experience, or buyers who prefer bold, distinctive styling.


Comparison vs Key Rivals



The Verdict

You should buy the B-Class if: You're seeking an upmarket, practical family car that values understatement and comfort, you're a company car driver (especially with the plug-in hybrid), or you prioritise interior space and premium cabin quality.

Consider alternatives if: You want the most spacious MPV for the money, you're seeking an exciting driving experience, or you prefer bold, distinctive styling.

Competitive Position: The Mercedes-Benz B-Class (2019-present) is a strong contender in the premium MPV segment, offering superior interior quality and the prestigious Mercedes badge. Whilst rivals like the BMW 2 Series Active Tourer and Volkswagen Golf SV score marginally higher on CarGurus ratings, the B-Class distinguishes itself through its roomy cabin, comfortable ride, and tax-efficient plug-in hybrid option. The Ford C-Max offers better value for money, but lacks the premium feel and technology of the Merc. For buyers prioritising comfort, practicality, and upmarket ambience over outright space or driving dynamics, the B-Class represents an excellent choice.

Read our full Mercedes-Benz B-Class Review

*The Overall CarGurus rating: that informs these recommendations is based on CarGurus' proprietary market data from April 2026, CarGurus expert reviews, and CarGurus user reviews.