Is my Mercedes Vito with windows classified as a van or a car?

I have just bought a Mercedes Vito with windows in the sliding doors behind the driving seat and a row of seats. For speed limits, is it classed as a van or a car, and when towing is it commercial, needing...

Do I need to use a tachograph?

I drive a Mercedes-Benz Sprinter pick-up for work delivering fence panels. I have passed my B+E licence. My transport manager now seems to think a tachograph isn’t needed whilst pulling our six wheel trailer,...