Could this be the safest car on the market?

The Mercedes S Class – is brand new and packed with safety features.

"This car can detect if another car is going to hit it from the side, like a T-Bone crash accident, it will lift by three centimetres so the impact is in a safer place for the occupant," Trevor Long told A Current Affair.

"In front of you on the windscreen is a 'head up' display, common in a lot of cars today.

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"But this one when you navigate somewhere, all the arrows that normally appear on the screen, are actually going to appear on the windscreen as if they're on the road in front of you. Augmented reality navigation and that way your eyes stay on the road."

In a world first - backseat passengers have also been considered.

"The S Class has pretty solid airbag protection for all the occupants. You've got curtain airbags which protect from hitting the window or the window coming in, but most importantly this has rear airbags for the rear passengers that inflate from the front seat," Mr Long said.

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"There's even an airbag in between the driver and the passenger in the front which protects them from impacting each other in the event of an accident."

The new Mercedes S Class will set you back $240,000.

In 1981, Mercedes pioneered the airbag in the S Class, the same car recently launched.

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But you no longer need to spend big to get big.

Enter the Hyundai i30 - from $25,000.

"Think about lane assistance - it's a very common feature these days. It means the car through a camera here, and lane senses in the front, can see the road," Mr Long said.

"It can see the road markings, and if you veer towards them, it will actually beep and push the steering wheel back into your lane."

Active Cruise Control is another feature.

"You choose the distance and no matter what speed the car goes in front of you, if it slows down. Your car slows down," Mr Long said.

The Hyundai's also got automatic high beams that will come on in darkness, or dim when another car is travelling towards you. And inside the car there are nine airbags.

According to ANCAP safety Chief Executive, Carla Hoorveg, there are three aspects to vehicle safety.

"Firstly structure - a well designed vehicle that's able to withstand a crash," Ms Hoorveg said.

"Secondly the restraints - so the airbags and seatbelts that work in conjunction with the structure to minimise the impact of a crash.

"And thirdly - the active avoidance systems, which work to avoid a collision in the first place."

There are five star safety rated cars across all segments and at all price points, both new and used.

For $16,9900 - the Kia Picanto also comes with autonomous emergency braking, a reversing camera, parking sensors, airbags and stability control.

The Mazda CX8 is $47,000.

With that you'll get smart braking with pedestrian recognition, speed sign recognition and speed assistance, blind spot monitoring, a 360 degree view camera, and head up display on the windscreen.

Josh Dowling from Car Advice said the only down side to this technology is people place too much faith in it and don't concentrate enough on the road.

"Unfortunately there's no such thing as a crash proof vehicle," Mr Dowling said.  

For more information on the safety ratings for over 800 cars visit:https://www.ancap.com.au/