Mercedes-Benz B-Class 2011–2018 car dimensions: 4359 mm long, 1786 mm wide and 1557 mm high. Unladen weight is 1,395 kg. Braked towing is 1,200 kg.
The cabin offers a high seating position with good space for five and a central media display controlled mainly by rotary dial. Climate control and cruise control are standard. Collision Prevention Assist provides automatic emergency braking support as standard. Parking sensors, reversing camera, blind spot warning and lane keep assist are available on higher trims or as options. Apple CarPlay and Android Auto appear on later examples as options.
Boot space measures 486 litres with seats up and expands to 1545 litres with the rear seats folded. The shape is practical with a wide opening. An optional Easy-Vario-Plus system adds sliding rear seats and adjustable floor for more flexibility.
Braked towing capacity is 1200 kg and unbraked is 695 kg on the B 180. Payload is listed at 565 kg.
The cabin feels spacious and practical with an upright seating position that aids easy entry and exit. Front seats offer good lateral support from high backrests and side bolsters plus solid ergonomics for longer trips. Materials feel high-quality with soft-touch surfaces. Rear space gives adults strong legroom and headroom while the load area flexes well with split-fold seats. Optional power seats, memory and panoramic roof add convenience without changing the solid everyday feel.
Combined fuel use 5.9-6.2 l/100 km NEDC for B 180 BlueEFFICIENCY petrol
Euro NCAP five-star rating with 97% adult occupant score
Standard Collision Prevention Assist, Attention Assist and seven airbags
Service every 12 months or around 15 500 miles, alternating minor and major
Brake fluid change every two years. auto gearbox fluid every four years
The B 180 BlueEFFICIENCY petrol returns official combined consumption of 5.9-6.2 l/100 km and CO2 around 137-144 g/km under NEDC, helped by start/stop and BlueEFFICIENCY measures. Real-world figures sit higher but the tank still gives useful range.
Servicing follows a 12-month or mileage-based schedule with minor and major visits. Costs run higher than volume brands. plan for brake fluid every two years and dual-clutch fluid and filter every four years if fitted.
Safety starts strong with a five-star Euro NCAP result, standard radar collision warning, drowsiness alert, ESP, ABS and seven airbags. PRE-SAFE and extra side bags were optional. The structure held up well in frontal and side tests.
Living with the car is straightforward thanks to the flexible cabin and large boot. Higher trims add heated seats and dual-zone climate. Keep an eye on electronics and dual-clutch health as the car ages. overall reliability is solid for the class.
Length 4359 mm, Width 1786 mm, Height 1557 mm, Wheelbase 2699 mm (B-Class 2011–2018)
Sources: manufacturer data, Mercedes-Benz W246 owner's manual, Daimler B-Klasse Sports Tourer technical data sheet 08.2011, auto-data.net B 180.