Mercedes says its new GLC is on the way, with the makers of the SUV promising more space, more tech smarts and more range for the plug-in hybrid versions. Available for order mid-2022 and hitting the first dealerships in the third quarter of the year, the new GLS is focussing above all on improving the digital features and the experience for rear passengers. One of the biggest changes is a completely digitalised cockpit with a flat screen behind the steering wheel and a touchscreen rising up out of the centre console. As well as the MBUX infotainment system, the car also features an entirely n…