The Mercedes-Benz E-Class All-Terrain is under development as an upcoming competitor against the Audi A6 Allroad. This is our second time seeing one on the road.

Like the current E-Class All-Terrain, the new one uses the estate body as a starting point. Mercedes lifts the ride height and adds additional body cladding around the wings/fenders. While not visible here, expect there to be other styling tweaks to differentiate this rugged variant from the regular long-roof model.

Gallery: Mercedes-Benz E-Class All-Terrain Spy Shots

The existing E-Class All-Terrain has an air suspension that offers up to 150 millimetres (5.8 inches) of ground clearance, which is 50 mm (2.0 in) more than the standard setup. Offroad and Offroad Plus driving modes tweak the suspension, stability control, and powertrain settings.

We don't have photos inside this E-Class All-Terrain, but the layout is likely largely similar to the standard model. The new car is available with screens spanning the dashboard, including one for the passenger. A camera pointing at the driver can work for video conferencing through Zoom or Webex.

A filing with the Environmental Protection Agency indicates that Mercedes plans to bring the new E-Class All-Terrain to the United States. The documentation says that it would use the E450's powertrain that consists of a turbocharged inline-six engine with mild-hybrid assistance making 375 bhp and 369 pound-feet. For comparison, the A6 Allroad has a turbocharged 3.0-litre V6 that makes 335 bhp and 369 lb-ft. 

We don't know exactly when the E-Class All-Terrain arrives. The EPA filing indicates it would be on sale for the 2024 model year. If that's the case, then Mercedes could debut the model soon. Although, the company hasn't premiered the regular estate yet.

For more E-Class discussion, check out this episode of Rambling About Cars: