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Lexus RX450h hybrid - 2012's facelift goes on sale

Lexus has refreshed its RX premium off-roader with a slew of new gadgets, a facelifted snout, a few small engineering upgrades and extra equipment. Sold in the UK only as the RX450h hybrid, you'll spot the new 2012 edition by the addition of the Lexus 'spindle' grille, as seen on recent concept cars such as the LF-LC from Detroit 2012. The rear lamps are redesigned, too, although if you blink you may indeed actually miss them.

2009 Mercedes-Benz S Class

The Mercedes S Class has long been at the forefront of car technology. You can bet your boots that what we see on any new S Class will be where mainstream makers go in years to come. The S Class was first with things like inertia reel belts and air-bags, and the 2009 Mercedes S Class (perhaps we should call it the 2010 Mercedes S Class in deference to our US friends) – although an update rather than new model – follows this tradition.

Toyota NS4 concept car (2012) first official pictures

Toyota regularly shows hybrid concept cars at the Detroit auto show – and the 2012 NAIAS is no different. Problem is, we don't yet know much about their planned debut. Called the NS4, all we can see so far is this rather ludicrously cropped shot of the headlamp.