The slim door handles of the five-door vehicle are fully recessed, emerging at the touch of a button.

ENGADGET: Mercedes-Benz GLA concept puts laser projectors in headlights, redefines SUV

Unibody construction, in which a vehicle's roof, door frames and floor pan are part of a unified, rigid structure, has made vehicles lighter and stiffer.

CNN: Fat and fast: High-performance gets big

The lines of these wood accents "flow" from the sporty gearshift area and ascend the center console and across the lower instrument panel to the door trim, playing a large role in defining the interior space in the front of the vehicle.

ENGADGET: VW unveils CrossBlue plug-in SUV with iPad mini headrests and 85MPGe efficiency (eyes-on)

They are activated by the keyless remote or by pulling on a door handle as are the blue-illuminated BRABUS logos integrated into the scuff plates on both sides of the vehicle.

ENGADGET: Brabus iBusiness luxury sedan puts an iPad at every seat, a Magic Mouse at every hide-covered armrest