the mercedes-Benz b-class, available at both mercedes-benz of Belfast and portadown offers an ideal option for families, combining the sleek mercedes styling that will make you and your car stand out from the crowd, with the practicality of a versatile and spacious interior. the b-class is a mpv available with a choice of four engines and two trims. sport and amg lines are also available in the used stock at belfast and portadown. engines on the b-class start at 1.5 litre which delivers 0-62mph in 12.6 seconds. the b-class is a practical choice, with a double-layered, flat surface floor with between 455 and 705 litres storage depending on options, expanding to over 1500 litres with the rear seats folded, highlighting the versatility of the b-class.