First images: revised Mercedes B-Class
Buyers will continue to have a choice of six engines: two diesels and four petrols, with power outputs ranging from 93-137bhp and average fuel consumption up to 7% lower than before.
In addition, B150 and B170 BlueEfficiency buyers will have the choice of installing a stop-start system that can lower average fuel consumption by up to 9% in total.
Styling changes include a more pronounced front bumper and grille, as well as a redesigned bonnet, rear bumper and door mirrors.
In the cabin, changes are similarly subtle, and include the use of new fabric patterns and man-made leather.
Safety features include an active lighting system, which automatically illuminates interior lights in the event of a night-time accident, flashing brake lights to warn following motorists of heavy braking, and hill start assist, which stops the car rolling backwards on a hill.
Buyers can also specify active a parking assist system, which automatically steers and manoeuvres the car into a space.
Prices are expected to begin from £18,000.
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