New-generation coupe-styled wagon spotted in the snow ahead of the sedan's debut at CES.

The upcoming Mercedes-Benz CLA Shooting Brake has been snapped again by spy photographers this week, including new images of the swoopy estate's cabin.

We already have a rough idea of what the exterior will look like despite the heavy camouflage, blending the face of the new A-Class with a miniature version of the larger CLS's rear. Being the Shooting Brake, this version gets a wagon booty compared to the sedan look of the standard CLA.

The higher roofline should allow for slightly better rear passenger headroom, while the luggage area should be noticeably more accommodating.

Looking at the interior through the front window, the CLA looks to have a pretty much identical cabin layout to the related A-Class hatchback and sedan, incorporating the dual-screen MBUX infotainment system.

Also expect a minimalistic approach to physical buttons and dials, a range of interior trim and colour choices, along with USB-C inputs scattered throughout.

Mercedes-Benz confirmed earlier this week that the CLA 'coupe' will be revealed at CES 2019 next month, though it's unclear whether the Shooting Brake will be revealed at the same time. If not, it's likely the wagon will debut a couple of months after.

As for powertrains, expect the same turbocharged four-cylinder petrol and diesel options as the A-Class and B-Class, with performance and electrified versions to follow after the initial launch.

The performance range should become a two-strong line-up for the first time, expected to include a CLA35 and flagship CLA45.

In the meantime, stay tuned to CarAdvice for all the latest, and click on the photos for the full image gallery.