Why Mercedes-Benz EQXX could be the brand’s most important car in history: the futuristic electric vehicle (EV) concept aims to rival Elon Musk’s Tesla – but will it actually enter production?

• The sleek new electric concept car can travel over 600 miles (1,000km) on one charge – a distance equivalent to the drive from Paris to London and back
• Tesla’s US sales surpassed Mercedes, BMW, Audi and Lexus at one point, marking the first time that an electric car brand has dominated the luxury car market