Picture tour of this week's new carsLatest launches / 8 June 2012, 5:23pm / ShareTweetMcLaren announced some upgrades for its 12C, the highlight of which is an 18kW power increase to 460kW. Existing owners can get this upgrade for free and new customers also have the choice of some new colours and finishes.With more urge (435kW) and stiffer suspension, the new GT version of the Mercedes-Benz SLS AMG is aimed at true enthusiasts.Citroen launched its C4 Aircross in South Africa. Based on the Mitsubishi ASX, the crossover is powered by a 113kW 2-litre petrol engine and available in 2WD and 4WD. Prices range from R269 900 to R369 900.The all-new Mercedes-Benz ML is now on sale in South Africa, with a wide range of petrol and diesel engines ranging from 150kW to 386kW and prices from R683 500 to R1 380 000. See our driving impressions in IOL Motoring.The ML 63 AMG version of this latest Mercedes 4x4 has 386kW and a mighty 700Nm on command thanks to the latest twin-turbo 5.5-litre V8. Expect to part with R1 380 000.Audi released more pictures of its new A3 hatch just ahead of its UK debut. Audi SA has since confirmed that the new A3 will arrive here around November.The Geely LC Cross has just been launched in SA, aimed at wannabe SUV owners on a budget. 1.3-litre power and a R92 000 price tag seem tempting but out launchman Jesse Adams was not impressed with the overall quality.Ford took the covers off its mildly revised F150 in the USA. Maybe our Ranger is not so big after all.Along with a new face and more efficient engine, the Citroen C1 also gets a reduced price. The two-model range starts at R99 900.German tuner Vath started with a Mercedes C 63 AMG and ended with a far bigger monster. Supercharging and other mods bump the outputs up to 556kW and 800Nm, which gets it from zero to 100km/h in 3.6 seconds.The Mazda MX-5 Yusho concept car, revealed at the Leipzig show in German recently, has 177kW and 274Nm worth of supercharged power. Yusho means victory in Japanese.Catch up on the latest and greatest car launches of the last week, in SA and abroad. Catch up on the latest and greatest car launches of the last week, in SA and abroad.