The all-new Mercedes-Benz E-Class has returned in a new set of spy images showing a fully camouflaged prototype while undergoing cold winter testing.

The all-new Mercedes-Benz E-Class has returned in a new set of spy images showing a fully camouflaged prototype while undergoing cold winter testing.

Don't hold your breath for a brand new design from Mercedes-Benz as the overhauled E-Class will look essentially like a bigger C-Class (or a smaller S-Class) which isn't necessarily a bad thing but some folks would appreciate a more diverse design across the range. It will be larger than the outgoing model but lighter at the same time as a result of making the switch to the MRA platform also used by the C.

A previous spy photo of the interior cabin showed a layout very similar to what the S-Class has but we are not sure that was the actual final design which will be seen in the production-ready car. Other details are not available at this point but given the stretched wheelbase, expect rear passengers to enjoy a significantly larger amount of legroom.

As far as the engines are concerned, chances are the base model to be powered by a small three-cylinder turbocharged gasoline motor while at the other end of the spectrum there's going to be a V8 4.0-liter twin-turbo taken from the C63 AMG and AMG GT. In-between there should be a newly developed range of inline-six engine although nothing is confirmed at this point.

Rumors are indicating a March 2016 sales launch for the E-Class Sedan, followed later on by a long wheelbase sedan, coupe, estate and cabrio.

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