Mercedes-Benz has released the first teaser image of the 2012 ML63 AMG ahead of its official world debut this week at the 2011 Los Angeles Auto Show.

The 2012 ML63 features a significantly greener powertrain, with fuel consumption of 16 mpg (14.7 l/100km), up a third from its predecessor.

It will feature a powerful 5.5-liter V8 biturbo engine, with an increased power of 518 hp, which rises to 550 hp when combined with the AMG Performance Package.

Luxury car maker Rolls-Royce has developed its first electric-powered vehicle, that goes up to 125 miles fully charged.

The one-off Phantom 102EX has been touring the globe to gauge the reactions of Rolls-Royce owners and potential customers to a fully electric-powered car.

The 6.75-liter V-12 was replaced by a massive 71-kilowatt-hour lithium-ion battery housed within the aluminum spaceframe.

General Motors-owned brand Cadillac will launch its new flagship sedan at the Los Angeles Auto Show, it announced this week.

The brand has now confirmed that the Cadillac XTS, first featured as a concept at last year’s Detroit Motor Show, will officially debut at the LA event.

Rumours surrounding the model reached fever pitch when Cadillac accidentally let slip a photo on their media website.

Mercedes-Benz has unveiled their 2011 Christmas Collection, offering a variety of items aimed at making your gift selections a little easier.

All Christmas offers from the Mercedes -Benz Collection are specially produced for Mercedes -Benz by well-known manufacturers.

Porsche has confirmed that it is to stage the world premiere of a new model at the 2011 Los Angeles Auto Show.

The German automaker will put the spotlight on a new model “boasting impressive performance and dynamic looks, exuding unadulterated driving pleasure.”

Many bloggers and fans predict that the model could be a Cabriolet version of the Porsche 911, which has been seen testing recently.

Iconic auto brand Mini has announced the addition of a sixth model to its lineup, the Mini Roadster that will launch alongside the MINI Coupe hardtop in March.

The first open-topped two seater in Mini history, the Roadster is set to go on sale next spring to compete with the likes of the Mazda MX-5.

With a manually-opening soft-top roof, the model is designed to be more free-spirited than the four-seater Mini Convertible, with a sweeped look, lower profile and a steeped rear end, which holds a manually-operated roof.